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5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
\bsbhd Zhand`h Cncepvde Ek!. Np`!bpp}<++zzz!|bzn`!eki
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka
ha ikadpkvdaj cwdec
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
8
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Ek}tvdjbp< \bsbhd Zhand`h Cncepvde Ek!. Np`!
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fcpzcca pbc }vk`sep ha` pbdu ihashn. }nchuc ekaphep su gkv vcncwhap ucvwdecu!
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5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
G k v c z k v `
8! Ik`cn `cuevd}pdka
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us}}kvpu H. F. E pbvcc)}bhuc esvvcap }vkpcepdka. hnuk us}}kvpu H. F pzk)}bhuc esvvcap
}vkpcepdka! Zbca kv`cvdaj. }nchuc uphpcicapu!
6! Upha`hv`u vcgcvcaec`
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0:2)6==8
Pcebadehn ek`c gkv vcnhtdaj }vkpcepdka ha` ucesvdpt hspkihpde cxsd}icap
JF+P 80623)6==7
]vkpcepdwc vcnht ha` hspkihpde cxsd}icap `cudja vsncu kg }kzcv cxsd}icap
JF3==76)46
5! Ehspdka
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}bhuc wknphjc. hnn kg nkz wknphjc eki}kacap `c}ca` ka ndac wknphjc da eki}ksa`
wknphjc fnkeo. dg kac kg pbc pbvcc ndac wknphjcu du nkzcv pbha nkz wknphjc ucppdaj. nkz
wknphjc eki}kacap zdnn k}cvhpcu ha` safnkeo kwcv esvvcap }vkpcepdka!
Zbca pbc EP Zdvdaj Ik`c ebkkuc 6 }bhuc. pbc ichusvdaj esvvcap kg }bhuc F ubksn`
fc ehnesnhpc` ft ichusvdaj esvvcap kg }bhuc E!
Pbcvc hvc 0 upha`hv` esvwcu kg dawcvuc }vkpcepdka dawknwc` da pbdu ucvdcu kg }vkpcepdka.
dg pbc ghsnp esvvcap du bdjbcv pbha 83 pdicu kg vhpc` esvvcap. pbc dawcvuc }vkpcepdka
eki}kacap hu dg pbc esvvcap du 83 pdicu kg vhpc` esvvcap!
Pbc h}}chvhaec ubksn` fc dau}cepc` fcgkvc }kzcv du h}}ndc`. pk causvc pbhp pbc
}hacn du KO zdpbksp uevhpeb. pbc uevczu hvc pdjbpcac`. pbc `cwdec du jvksa`c` gdvint.
hnn uevczu kg }nsj)dau hvc pdjbpcac` ha` da jkk` ekaphep! Zbca }kzcv du h}}ndc`. pbc „Vsa’ da`dehpkv ka pbc }hacn ubksn` gnhub. `djdphn psfc
`du}nhtu }vdihvt ichusvdaj vcusnp da etenc. }vkpcepdka ha` ichusvdaj `hph hvc
`du}nhtc` ka pbc ne` da etenc!
Pbc pcvidahn @63q@62 hvc ichusvdaj edvesdp kg 0q6=iH @E udjahn. zbca pcupdaj.
udjahn ubksn` fc us}}ndc` ft u}cedhn cxsd}icap. `dvcep h}}nt udjahn kg vcnht }vkpcepdka
pcupcv du }vkbdfdpc`"Eha fc ucncepc` kv akp$!
Zbca pbc `cwdec du cxsd}}c` zdpb sajvksa`c` utupci. pcvidahn @=:.@=2 hvc |cvk
ucxscaec uihnn esvvcap da}sp pcvidahn. pbc he esvvcap da}sp ubksn` fc ndidpc` pk zdpbda
6H. pbc ichusvdaj esvvcap da}sp ubksn` fc ndidpc` pk 7H. }ht hppcapdka pk pbc udjahn
6
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
da}sp zbca pcupdaj pk hwkd` nhvjc udjahn h}}ndc` uk hu pk hwkd` `hihjc pk
eki}kacapu!
K}cvhpdaj edvesdp daud`c pbc `cwdec du kant h}}ndehfnc pk @E }kzcv us}}nt. dg HE }kzcv
du suc`. dp ubksn` fc h}}ndc` zdpb vcepdgdcv ha` gdnpcv!
Dp du }vkbdfdpc` pk }nsj kv sa}nsj pbc }nsj)dau. da kv`cv pk hwkd` `hihjc pk pbc `cwdec!
Dp du }vkbdfdpc` pk `k `djdphn ksp}sp pcup zbca pbc `cwdec du vsaadaj zdpb }vdihvt
cxsd}icapu!
5
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
8!!! ]vk`sep `cuevd}pdka!!!!!!!!!!!!!!!!!!8!8 Uek}c kg h}}ndehpdka
Pbc IP]V)7==Bf ucvdcu idevkeki}spcv pvhaugkvicv }vkpcepdka `cwdec h}}ndcu pk pbc
}vkpcepdka ha` ikadpkvdaj kg uphpdka kv jvksa`daj pvhaugkvicvu da utupciu zdpb pbc acspvhn
}kdap ha` pbkuc jvksa`c` wdh ha hve us}}vcuudka ekdn kv vcudupkv zdpb wknphjc vhpdaju kg
77oW ha` fcnkz!
8!6 Gsaepdka ha` u}cedgdehpdka
8!6!8 ]vkpcepdwc gsaepdka
5 ucepdkau kg eki}ksa`c` wknphjc fnkeo kwcvesvvcap }vkpcepdka" dauphaphacksu
kwcvesvvcap }vkpcepdka. pbc pdic ndidp dauphaphacksu }vkpcepdka. kwcvesvvcap
`cgdadpc)pdic ndidp }vkpcepdka$
Dawcvuc pdic ndidp kwcvesvvcap }vkpcepdka
Acjhpdwc ucxscaec kwcvesvvcap }vkpcepdka
Kwcvnkh` }vkpcepdka
Bdjb)wknphjc ud`c jvksa` }vkpcepdka
Nkz)wknphjc ud`c jvksa` }vkpcepdka
Sa`cvwknphjc }vkpcepdka
Kwcvwknphjc }vkpcepdka
Fk`t }vkpcepdka
Aka)cncepvde xshapdpt }vkpcepdka"6 zhtu$"Eha fc ucncepc` kv akp$
8!6!6 Hsrdndhvt gsaepdkau
Bhvikade u}cepvsi hahntudu
}bhuc `du}nht
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@cwdec ucng)ebceo ghdnsvc hnhvi
]vkpcepdka ucppdaju vcikpc ehnn s} ha` ik`dgt Ghsnp vcekv`cv
Kac kv pzk zhtu }vkjvhiihfnc 0 q 6=iH ksp}sp
]vkwd`c cpbcvacp }vdap gsaepdka"ihashn }vdap ucppdaj whnsc. ihashn+hspk }vdap vc}kvpu$
"Eha fc ucncepc` kv akp$!
8!6!5 Ikadpkvdaj ha` ekapvkn gsaepdkau
]kzcv ichusvcicap"vcikpc ichusvcicap$<wknphjc. esvvcap. hepdwc }kzcv. vchepdwc
}kzcv. hepdwc cacvjt. vchepdwc cacvjt. }kzcv ghepkv. }kzcv jvd` gvcxscaet.
aka)cncepvde xshapdpt ichusvdaj"Eha fc ucncepc` kv akp$ ha` uk ka Vcikpc udjahn< 83 fdahvt da}spu. daens`daj< 86 gkv kspud`c eknncepdka. 5)zht gkv pbc
0
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
dapcvahn eknncepdka!
8!6!0 Ekiisadehpdka eh}hfdndpt
6 upha`hv` VU023 isnpd}kdap ekiisadehpdka }kvpu
6 da`supvdhn cpbcvacp }kvpu"Eha fc ucncepc` kv akp$
Us}}kvpu udajnc. `shn acpzkvo ekiisadehpdka. dp du gsnnt xshndgdc` gkv acpzkvo
vc`sa`haet ha` fheos}
DCE)7=2:=)3)8=5"VU023 ekiisadehpdka ik`c$〈 DCE)7=2:=)3)8=0" da`supvdhn
Cpbcvacp ik`c$ upha`hv` ekiisadehpdka }vkpkekn"Eha fc ucncepc` kv akp$
8!6!3 J]U enkeo utaebvkad|hpdka gsaepdka "Eha fc ucncepc` kv akp$
Pbc `cwdec du hfnc pk vcecdwc J]U enkeo idaspc utaebvkad|hpdka "kv uceka`
utaebvkad|hpdka$ pbvksjb VU023. ha` dp eha fc `kac zdpb ikadpkvdaj utupci pk
heeki}ndub J]U }vceduc enkeo utaebvkad|hpdka!
8!6!7 @cwdec u}cedgdehpdkau
56)fdp @U] idevk}vkecuukv
Vchn)pdic isnpd)phuo k}cvhpdaj utupci ha` E// }vkjvhi pcebadxscu. vchnd|daj kandac
}vkjvhiidaj
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dau}cepdka
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ekvvcu}ka`daj cncepvde xshapdpt "useb hu esvvcap. wknphjc. }kzcv. gvcxscaet. cpe!$
Eknncepdaj 0 zhtu kg 0q6=iH @E xshapdpdcu gkv ichusvcicap kg aka)cncepvde
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Bhwdaj pbc cncepvde cacvjt xshndpt hahntudu gsaepdka ha` }cvgcep bhvikade hahntudu
gsaepdka
Dapcjvhpdaj }cvgcep icpcvdaj gsaepdkau
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kg u}hvc }hvpu
]vkpcepdka ksp}sp vcnhtu eha fc ekagdjsvc` gncrdfnt gkv sucv ekawcadcaec
Zdpb vcikpc+nkehn ebhajckwcv uzdpeb ha` pvd}+enkudaj fsppkau. vc`sedaj pbc asifcv kg
cncicapu ka pbc fkhv`+ehfdacp }hacn ha` udi}ndgtdaj zdvdaj
Sudaj h 7S. 84+5’ upha`hv` caenkusvc da h vchv }nsj)da upvsepsvc? pbc `cwdec eha fc
dauphnnc` da udpc ka h uzdpebfkhv` kv ekifdac` da h ecapvhnd|c` ihaacv
8!6!: Ihda pcebadehn u}cedgdehpdkau
Vhpc` `hph
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K}cvhpdaj wknphjc< @E 66=W kv @E 88=W
HE wknphjc< 8==+ 5 W kv 8==W
HE esvvcap< 3H kv 8H
3
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Gvcxscaet< 3=B|
]kzcv ekausi}pdka
@E edvesdp< >8=Z "akvihn k}cvhpdka$? >83Z "}vkpcepdka k}cvhpdka$
HE wknphjc edvesdp< >=!3WH+}bhuc
HE esvvcap edvesdp< >8WH+}bhuc "Da 9 3H$? >=!3WH+}bhuc "Da 9 8H$!
Kwcvnkh` eh}hfdndpt
HE wknphjc edvesdp< 8!6Sa. ekapdasksu k}cvhpdka
Esvvcap ichusvdaj edvesdp< 8!6Da. ekapdasksu k}cvhpdka
]vkpcepdwc esvvcap edvesdp< 6Da. ekapdasksu k}cvhpdka
8=Da. hnnkzdaj 8=U
0=Da. hnnkzdaj 8U
Vhajc ha` cvvkv kg ucppdaj whnsc
Ihrdisi vhajc kg ucppdaj whnsc< Wknphjc cncicap< 8Wq86=W
Esvvcap cncicap< =!8Daq6=Da
Gvcxscaet< 03!==B|q33!==B|
Pdidaj cncicap< =!==Uq8==!==U
Cvvkv kg ucppdaj whnsc<
Esvvcap ha` wknphjc ucppdaj whnsc< ≠¸5# kg ucppdaj whnsc
Gvcxscaet ucppdaj whnsc< ≠¸=!=6B|
Und} cvvkv ucppdaj whnsc< ≠¸3# kg ucppdaj whnsc
Hajnc ucppdaj whnsc< ≠¸6½
Zbknc)jvks} k}cvhpdka pdic "daens`daj vcnht—u dapvdaude pdic$<
Dapvdaude k}cvhpdaj pdic kg esvvcap dauphaphacksu kwcvesvvcap }vkpcepdka<
akp jvchpcv pbha 0=iu hp 8!3 pdicu pbc ucppdaj whnsc
Dapvdaude k}cvhpdaj pdic kg @dggcvcaec dauphaphacksu kwcvesvvcap
}vkpcepdka< akp jvchpcv pbha 5=iu hp 6 pdicu pbc ucppdaj whnsc
Ichusvdaj heesvhet
HE esvvcap< Enhuu =!6
HE wknphjc< Enhuu =!6
0q6=iH @E xshapdpt da}sp< ≠¸8#]kzcv< Enhuu =!3
Dapcjvhn cacvjt< Enhuu 8 "hepdwc$. Enhuu 6 "vchepdwc$
Gvcxscaet< ≠¸=!=6B|
UKC vcuknspdka< ≠6iu
Di}snuc zd`pb kg di}snuc xshapdpt< ≣8=iu
0q6=iH @E xshapdpt ksp}sp< ≠¸8#
Eh}hedpt kg pvd}+enkudaj ksp}sp ekaphep
Eha fc ekaacepc` pk @E 63=W. 2H gkv }vknkajc` }cvdk`u!
JU] enkeo utaebvkad|hpdka cvvkv
7
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
enkeo utaebvkad|hpdka cvvkv ≠6iu
Cawdvkaicaphn eka`dpdkau
」 Hifdcap pci}cvhpsvc<
」 K}cvhpdaj<)6=℅q/33℅〆
」 Upkvhjc<)63℅q/:= . vhda}vkkg ha` uakz℅ )}vkkg vkkiu zdpb vcnhpdwc bsid`dpt
akp jvchpcv pbha 2=#. hifdcap hdv gvcc kg hed`. hnohndac kv kpbcv ekvvkudwc ha` cr}nkudwc
jhu? ak credphpdka xshndpt du h}}ndc` sa`cv pbc ndidpu. pbc `cwdec ubhnn akp bhwc hat
dvvcwcvudfnc ebhajc? hgpcv pci}cvhpsvc vcupkvhpdka. pbc `cwdec ubhnn k}cvhpc }vk}cvnt!
Vcnhpdwc bsid`dpt< Pbc hwcvhjc vcnhpdwc bsid`dpt kg pbc ikup bsid` ikapb ubhnn akp
fc jvchpcv pbha 4=# ikapbnt. pbc hwcvhjc idadisi pci}cvhpsvc kg pbdu ikapb akp nkzcv
pbha 63 ha` pbcvc ubhnn fc ak usvghec eka`cauhpdka? hp pbc bdjbcup pci}cvhpsvc kg ℅
/0= . pbc hwcvhjc ihrdisi bsid`dpt ubhnn akp crecc` 3=#!℅
Hpiku}bcvde }vcuusvc< 2=o]hq88=o]h "fcnkz vcnhpdwc hnpdps`c kg 6oi$
8!6!2 Bhv`zhvc upvsepsvc
Pbc `cwdec sucu h 7S. 84+5’ upha`hv` caenkusvc. zdpb hnsidasi hnnkt ehudaj ha`
dauphnnc` ft kwcvhnn cifc``daj! Pbc `du}nht }hacn du iksapc` da pbc gvkap. ha` pbc kpbcv
}nsj)da ik`sncu hvc vchv iksapc`! Gvki pbc vchv wdcz. pbc }kzcv. D+K. E]S ha` HE
}nsj)da ik`sncu hvc gvki pbc ncgp pk pbc vdjbp!
Crpcvahn `dicaudkau ha` fkvdaj `dhjvhi
Upvsepsvhn ha` `dicaudkahn `dhjvhi Fkvdaj `dhjvhi gkv dauphnnhpdka
@cwdecu ghfvdehpc` ka)uevcca upc}u< gdvup vcnchuc ka)uevcca upcapu saghupcadaj
uevczu. vcikwc pbc upcapu? dauphnnc` pbc `cwdec ka pbc uevcca gvki pbc gvkap ha` }sub sapdn
:
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
enkuc pk pbc gdrc` }nhpc? dauphnn pbc upcap 6. ha` pbca upcap 8. ha` pbca suc ghupcadaj uevcz
pk daucvpdka bknc gvki vchv kg upcap8. ha` pbca uevczc` dapk upcap 6 ha` pdjbpca uevcz? pbc
upcapu gvki s} ha` `kza hvc dauphnnc` da pbc uhic zht? suc jvksa`daj uevczu pk ekaacep
jvksa`daj ndac!
2
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj cwdec ZN@_OY)LT)666)6==4
6!!! Gsaepdka kg pbc `cwdec
6!8 5 ucepdkau kg eki}ksa`c` wknphjc fnkeo kwcvesvvcap }vkpcepdka
Pbdu `cwdec bhu 5 ucepdkau kg eki}ksa`c` wknphjc fnkeo kwcvesvvcap }vkpcepdka! Pbct hvc
dauphaphacksu kwcvesvvcap }vkpcepdka. pbc pdic)ndidp dauphaphacksu kwcvesvvcap }vkpcepdka.
kwcvesvvcap `cgdadpc)pdic ndidp }vkpcepdka vcu}cepdwcnt! Pbc esvvcap ha` pdic ucppdaj whnscu kg cheb
ucepdka eha ucp uc}hvhpcnt! Zbca pbc ihrdisi }bhuc esvvcap du jvchpcv pbha pbc ucppdaj whnsc kg
pbc esvvcap. ha` pbc acjhpdwc ucxscaec wknphjc "pbc acjhpdwc ucxscaec wknphjc du utapbcud|c`
gvki pbc }bhuc wknphjcu$ kv Sa`cvwknphjc "fcdaj pbc ndac wknphjc? dg kac kv ikvc kg pbc 5 ndac
wknphjcu du+hvc ncuu pbha pbc Sa`cvwknphjc ucppdaj whnsc. Sa`cvwknphjc eki}kacap k}cvhpcu pk
k}ca pbc kwcvesvvcap }vkpcepdka$ eka`dpdka du icp. dp zdnn k}cvhpc ka pvd} hgpcv h `cnht! Pbc
}vkpcepdka k}cvhpdka nkjde du ubkza da gdjsvc 6)8"sudaj dauphaphacksu kwcvesvvcap }vkpcepdka hu ha
crhi}nc$!Da h``dpdka. hgpcv pbc k}cvhpdka kg pbc eki}ksa`c` wknphjc eki}kacap. h ekaphep eha fc
ksp}sp uc}hvhpcnt hp pbc ekvvcu}ka`daj }kudpdka! "Pbc }vceka`dpdka pk k}cvhpdka kg pbc
eki}ksa`c` wknphjc eki}kacap du pbc esvvcap du akp |cvk!$
Gdjsvc 6)8 K}cvhpdka nkjde kg eki}ksa`c` wknphjc nkeo kwcvesvvcap }vkpcepdka
≣8
Dh≣Kwcv)esvvcapdauphaphacksu ucppdaj whnsc
Ka+Kgg Eki}ksa`c` wknphjc
nkeo udjahn
4
6!6 Dawcvuc pdic ndidp kwcvesvvcap }vkpcepdka
Hu upd}snhpc` ft pbc DCE "DCE633)0$. pbc gknnkzdaj 0 upha`hv` ebhvhepcvdupde cxshpdkau hvc
sushnnt suc`! Pbc sucv iht ucncep kac hu pbc ehuc iht fc<
Upha`hv` dawcvuc pdic ndidp< "8$
Sasushn dawcvuc pdic ndidp< "6$
Crpvcic dawcvuc pdic ndidp< "5$
Nkaj dawcvuc pdic ndidp< "0$
Zbcvc< D du pbc ghsnp esvvcap. D} du pbc ucppdaj whnsc kg pbc dawcvuc pdic ndidp uphvpdaj esvvcap. π}
du pbc pvhaugkvicv—u kwcvesvvcap dawcvuc pdic ndidp ekauphap. ekvvcu}ka`daj pk pbc kwcvnkh`
eh}hedpt kg pbc pvhaugkvicv. `cvdwc` gvki ehnesnhpdka!
Zbca pbc hi}ndps`c kg pbc dawcvuc pdic ndidp kwcvesvvcap kg hat kg }bhucu H. F ha` E du
jvchpcv pbha pbc ucppdaj whnsc kg pbc dawcvuc pdic ndidp uphvpdaj esvvcap. pbc `cwdec zdnn k}cvhpc ka
pvd} heekv`daj pk pbc dawcvuc pdic ndidp ebhvhepcvdupde esvwc! Pbc ukgpzhvc ihocu ucncepdka ft dawcvuc
pdic ndidp ebhvhepcvdupde ekapvkn zkv`! Pbc }vkpcepdka k}cvhpdka nkjde du ubkza da Gdjsvc 6)6!
}
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5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj cwdec ZN@_OY)LT)666)6=8=
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ehnesnhpc`! Pbc acjhpdwc ucxscaec kwcvesvvcap }vkpcepdka du hwhdnhfnc da pbc `cgdadpc pdic ndidp ha`
dawcvuc pdic ndidp ik`cu!
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pbc ucppdaj kg acjhpdwc ucxscaec esvvcap. pbc `cwdec zdnn k}cvhpc ka pvd}!
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pbc uhic hu pbc bdjb wknphjc ud`c dawcvuc pdic ndidp kwcvesvvcap }vkpcepdka!
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}bhucu s}ka enkudaj kg pbc edvesdp fvchocv. pbc ucp `cnht ubhnn akp fc ncuu pbha =!6U!
6!0 Kwcvnkh` }vkpcepdka
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ucppdaj whnsc. pbcvc zdnn fc ha k}cvhpdka hgpcv h `cnht! Pbc }vkpcepdka ksp}sp iht cncep pk k}cvhpc
ka udjahn kv pvd}! Pbc }vkpcepdka k}cvhpdka nkjde du ubkza da Gdjsvc 6)5!
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ucepdkau kg |cvk ucxscaec kwcvesvvcap }vkpcepdka! Pbc |cvk ucxscaec wknphjc du gvki pbc ]P
k}cadaj pvdhajnc! Zbca pbc edvesdp fvchocv du enkuc`. pbc |cvk ucxscaec wknphjc crecc`u pbc
ucppdaj whnsc ha` pbc ucppdaj `cnht du vchebc`. pbc }vkpcepdka zdnn k}cvhpc! Pbc }vkpcepdka ksp}sp
iht cncep pk k}cvhpc ka udjahn kv pvd}! Pbc |cvk ucxscaec Kwcvwknphjc pvd} du fnkeoc` wdh pbc
}kudpdka kg pbc uzdpeb!
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ehfnc |cvk ucxscaec EP esvvcap heesvhpcnt! Zbca pbc esvvcap crecc`u pbc ucppdaj whnsc ha` pbc
ucppdaj `cnht du vchebc`. pbc }vkpcepdka zdnn k}cvhpc! Pbc }vkpcepdka ksp}sp iht k}cvhpc ka udjahn
kv pvd}!Gkv sajvksa`c` utupciu. zbca h jvksa` ghsnp keesvu da pbc utupci. pbc |cvk ucxscaec
esvvcap kg pbc jvksa` ghsnp }kdap du fhudehnnt h eh}hedpdwc esvvcap zdpb uihnn hi}ndps`c! Dg h |cvk
8=
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj cwdec ZN@_OY)LT)666)6=8=
ucxscaec kwcvesvvcap vcnht du suc` pk }vkpcep dp gvki jvksa` ghsnpu. dpu ucncepdwdpt eha bhv`nt fc
jshvhapcc`! Pbc `cwdec s}nkh`u pbc hi}ndps`c ha` `dvcepdka kg pbc |cvk ucxscaec esvvcap ft
ekiisadehpdka. ha` pbc s}}cv eki}spcv }cvgkviu nkz esvvcap jvksa` zdvc ucncepdka! Pbc
}vkpcepdka k}cvhpdka nkjde du ubkza da Gdjsvc 6)0!
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ucppdaj whnsc
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6!7 Nkz)wknphjc ud`c jvksa` }vkpcepdka
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ha` dawcvuc pdic ndidp ik`cu. pbc uhic hu pbc acjhpdwc ucxscaec kwcvesvvcap }vkpcepdka!
6!: Wknphjc }vkpcepdka
6!:!8 Sa`cv wknphjc }vkpcepdka
Pbc `cwdec ls`jcu pbc ihrdisi ndac wknphjc whnsc. dg dp du nkzcv pbha pbc ucppdaj whnsc ha`
pbc ucppdaj `cnht du vchebc`. pbc }vkpcepdka zdnn k}cvhpc ka pvd} ha` du fnkeoc` ft pbc uzdpeb
}kudpdka. ha` ]P ghdnsvc! Pbc }vkpcepdka k}cvhpdka nkjde du ubkza da Gdjsvc 6)3!
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ucppdaj `cnht ubhnn akp fc ncuu pbha =!6U!
6!:!6 Kwcvwknphjc }vkpcepdka
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ucppdaj `cnht du vchebc`. pbc }vkpcepdka zdnn k}cvhpc ka pvd} ha` du fnkeoc` ft pbc uzdpeb }kudpdka!
Pbc }vkpcepdka k}cvhpdka nkjde du ubkza da Gdjsvc 6)7!
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5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj cwdec ZN@_OY)LT)666)6=8=
86
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pvd}. pci}cvhpsvc hnhvi ha` }vcuusvc vcndcg }vkpcepdka! Pbc k}cvhpdka ekaphep udjahn k}cvhpcu ka
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zbca ghdnsvc `duh}}chvu!
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⑭ Zbca ~Sh/Sf/Se~ 1:W. ha` pbc ik`snsu `dggcvcaec fcpzcca pbc ihrdisi ha`
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ghdnsvc!
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]P 5)}bhuc ghdnsvc!
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ghdnsvc. pbc hnhvi zdnn vcpsva zbca ghdnsvc `duh}}chvu!
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj cwdec ZN@_OY)LT)666)6=8=
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udjahn!
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esvvcap. EP ghdnsvc `cpcepdka zdnn fc `duhfnc`!
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"jvchpcv pbha =!8 pdicu pbc vhpc` esvvcap$! Pk `dggcvcapdhpc gvki jvksa` ghsnp. pbc gknnkzdaj
ls`jicap du vcxsdvc`<
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pbha =!8 pdicu pbc vhpc` esvvcap$!
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}bhuc ncuu pbha =!=2 Da du ls`jc` hu EP ghdnsvc!
85
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
6!86 Sa`cv)gvcxscaet sankh`daj }vkpcepdka
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sankh`daj }vkpcepdka du fnkeoc` ft Sa`cvwknphjc fnkeo. sa`cv)esvvcap fnkeo kv und} fnkeo.
da zbdeb und} fnkeo eha fc uzdpebc` Ka+Kgg! Pbc k}cvhpdka nkjde kg sa`cv)gvcxscaet
sankh`daj du ubkza da Gdjsvc 6)2!
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ukgpzhvc!
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80
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
5!!! Ucppdaj kg }hvhicpcvu ha` ucppdaj whnscu kg pbc `cwdec
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83
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
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87
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
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8:
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Kwcvesvvcap @cgdadpc)pdic
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Ka+Kgg
"DP Kwcvesvvcap$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Acjhpdwc Ucxscaec
Kwcvesvvcap @cgdadpc Pdic
Ndidp Ka+Kgg
"AU KE @P$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Acjhpdwc Ucxscaec
Kwcvesvvcap Dawcvuc Pdic
Ndidp Ka+Kgg
"AU KE DP$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Kwcvnkh` Hnhvi Ka+Kgg
"Kwcvnkh` Hnhvi$8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Kwcvnkh` Pvd} Ka+Kgg
"Kwcvnkh` Pvd}$8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
\cvk Ucxscaec
Kwcvwknphjc Hnhvi
Ka+Kgg
"\U KW Hnhvi$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
\cvk Ucxscaec
Kwcvwknphjc Pvd} Ka+Kgg
"\U KW Pvd}$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
\cvk Ucxscaec
Kwcvesvvcap Ucepdka D
Ka+Kgg
"\U KE 8 Pvd}$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
\cvk UcxscaecKwcvesvvcap Ucepdka DD
Ka+Kgg
"\U KE 6 Pvd}$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
\cvk Ucxscaec
Kwcvesvvcap Ucepdka DDD
Hnhvi Ka+Kgg
"\U KE 5 Hnhvi$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
82
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
\cvk Ucxscaec
Kwcvesvvcap Ucepdka DDD
Pvd} Ka+Kgg
"\U KE 5 Pvd}$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Sa`cvwknphjc \cvkUcxscaec @cgdadpcPdic
Ndidp Kwcvesvvcap Ka+Kgg
"SW \U KE @P$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Sa`cvwknphjc \cvk
Ucxscaec Dawcvuc Pdic
Ndidp Kwcvesvvcap Ka+Kgg
"SW \U KE DP$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Sa`cvwknphjc ]vkpcepdka
Ka+Kgg
"Sa`cvwknphjc$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Kwcvwknphjc ]vkpcepdka
Ka+Kgg
"Kwcvwknphjc$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Bchwt Jhu Pvd} Ka+Kgg
"Bchwt Jhu Pvd}$8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Ndjbp Jhu Hnhvi Ka+Kgg
"Ndjbp Jhu Hnhvi$8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Kwcv pci}cvhpsvc Pvd}Ka+Kgg
"Kwcv Pci}!Pvd}$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Pci}cvhpsvc Hnhvi
Ka+Kgg
"Pci}cvhpsvc HNI$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
]vcuusvc Vcndcg Pvd}
Ka+Kgg
"])vcndcg Pvd}$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Aka)cncepvde Xshapdpt 8
]vkpcepdka Ka+Kgg
"Aka)cncepvde 8$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Aka)cncepvde Xshapdpt 6
]vkpcepdka Ka+Kgg
"Aka)cncepvde 6$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
]P Ghdnsvc Hnhvi Ka+Kgg "]P Ghdnsvc Hnhvi$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
]P Ghdnsvc Fnkeo Ka+Kgg "]P Ghdnsvc Nkeo$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
EP Ghdnsvc Hnhvi Ka+Kgg "EP Ghdnsvc Hnhvi$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
84
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Eki}ksa`c` Wknphjc
Ekaphep Ksp}sp Ka+Kgg
"EW ]kdap Ksp}sp$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Sa`cv)gvcxscaetSankh`daj Ka+Kgg
"Sa`cv)gvcxscaet$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Und} Fnkeo Ka+Kgg "Und} Nkeo$
8+= 8+=< Ka+Kgg "ghepkvt `cghsnp Kgg$
Kwcvesvvcap }vkpcepdka
Sa`cvwknphjc fnkeo
"Sa`cvwknphjc$7=!==)4=!==W Ucp upc}<=!=8W"ghepkvt `cghsnp 4=W$
Acjhpdwc ucxscaec
wknphjc fnkeo
"AU Wknphjc$
3!==)5=!==W Ucp upc}<=!=8W"ghepkvt `cghsnp 8=W$
Dauphaphacksu esvvcap
"Daup!Esvvcap$"=!8)6=$Da Ucp upc}<=!=8H"ghepkvt `cghsnp 6=Da$
Dauphaphacksu `cnht
"Daup!Pdic$=!==)8==!==U Ucp upc}<=!=8u"ghepkvt `cghsnp 8==U$
Pbc pdic `cnht
dauphaphacksu esvvcap
"@cnht Daup!E$
"=!8)6=$Da Ucp upc}<=!=8H"ghepkvt `cghsnp 6=Da$
Pbc pdic `cnht
dauphaphacksu `cnht
"@cnht Daup!Pdic$
=!==)8==!==U Ucp upc}<=!=8u"ghepkvt `cghsnp 8==U$
@P kwcvesvvcap
"@P Kwcvesvvcap$"=!8)6=$Da Ucp upc}<=!=8H"ghepkvt `cghsnp 6=Da$
@P kwcvesvvcap
"@P KE Pdic$=!==)8==!==U Ucp upc}<=!=8u"ghepkvt `cghsnp 8==U$
Kwcvesvvcap dawcvuc pdic ndidp }vkpcepdka
Dawcvuc pdic ndidp
ebhvhepcvdupde esvwc
"DP Pvhdp Esvwc$
8)0 Ucp upc}<8"ghepkvt `cghsnp 8$
Dawcvuc pdic ndidp
ekauphap
"DP Pdic Ekaphap$
=!==)8!==U Ucp upc}<=!=8U "ghepkvt `cghsnp 8U$
Dawcvuc pdic ndidp uphvpdaj
esvvcap
"DP Uphvp Esvvcap$
"=!8)6$Da Ucp upc}<=!=8H"ghepkvt `cghsnp 8Da$
Acjhpdwc ucxscaec kwcvesvvcap
6=
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Acjhpdwc ucxscaec
esvvcap
"AU @P Esvvcap$
"=!8)6=$Da Ucp upc}<=!=8H"ghepkvt `cghsnp 6=Da$
Acjhpdwc ucxscaec
kwcvesvvcap `cnht
"AU @P Pdic$
=!==)8==!==U Ucp upc}<=!=8u"ghepkvt `cghsnp 8==U$
Acjhpdwc ucxscaec
dawcvuc pdic ndidp
ebhvhepcvdupde esvwc
"AU DP Esvwc$
8)0 Ucp upc}<8"ghepkvt `cghsnp 8$
Acjhpdwc ucxscaec
dawcvuc pdic ndidp
ekauphap"AU DP Ekauphap$
=!==)8!==U Ucp upc}<=!=8U "ghepkvt `cghsnp 8U$
Acjhpdwc ucxscaec
dawcvuc pdic ndidp uphvpdaj
esvvcap
"AU DP Uphvp E$
"=!8)6$Da Ucp upc}<=!=8H"ghepkvt `cghsnp 8Da$
Kwcvnkh`
Kwcvnkh` esvvcap
"Kwcvnkh` Esvvcap$
"=!8)6=$Da Ucp upc}<=!=8H"ghepkvt `cghsnp 6=Da$
Kwcvnkh` `cnht
"Kwcvnkh` Pdic$=!==)8==!==U Ucp upc}<=!=8u"ghepkvt `cghsnp 8==U$
\cvk ucxscaec Kwcvwknphjc
\cvk ucxscaec
Kwcvwknphjc
"\U KW Whnsc$
6)8==W Ucp upc}< =!=8W "ghepkvt `cghsnp 8==W$
\cvk ucxscaec
Kwcvwknphjc `cnht
"\U KW Pdic$
=!==)8==!==U Ucp upc}< =!=8U "ghepkvt `cghsnp 8==U$
Bdjb)wknphjc ud`c |cvk ucxscaec kwcvesvvcap
Ucppdaj whnsc kg \cvk
ucxscaec kwcvesvvcap
Ucepdka D
"\U Kwcvesvvcap 8$
=!==)6!==HUcp upc}< =!=8H "ghepkvt
`cghsnp 6H$
\cvk ucxscaec
kwcvesvvcap Ucepdka D
`cnht"\U KE 8 Pdic$
=!==)8==UUcp upc}< =!=8U "ghepkvt
`cghsnp 8==U$
Upha`hv`
}vk`sepu
hvc
`cudjac`
fhuc` ka
h acspvhn
}kdap
68
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Ucppdaj whnsc kg \cvk
ucxscaec kwcvesvvcap
Ucepdka DD
"\U Kwcvesvvcap 6$
=!==)6!==HUcp upc}< =!=8H "ghepkvt
`cghsnp 6H$
\cvk ucxscaec
kwcvesvvcap Ucepdka DD
`cnht
"\U KE 6 Pdic$
=!==)8==UUcp upc}< =!=8U "ghepkvt
`cghsnp 8==U$
Ucppdaj whnsc kg \cvk
ucxscaec kwcvesvvcap
Ucepdka DDD
"\U Kwcvesvvcap 5$
=!==)6!==HUcp upc}< =!=8H "ghepkvt
`cghsnp 6H$
\cvk ucxscaeckwcvesvvcap Ucepdka DDD
`cnht
"\U KE 5 Pdic$
=!==)8==UUcp upc}< =!=8U "ghepkvt
`cghsnp 8==U$
sajvksa
`c`
utupci!
U}cedgt
hat
kpbcv
ik`c
s}ka
kv`cvdaj
dg hat!
Nkz)wknphjc ud`c |cvk ucxscaec kwcvesvvcap
Ucppdaj whnsc kg
nkz)wknphjc |cvk
ucxscaec esvvcap
"@P Esvvcap$
"=!8)6=$Da Ucp upc}< =!=8H "ghepkvt `cghsnp 6=Da$
@cgdadpc pdic ndidp `cnht
"@P Pdic$=!==)8==!==U Ucp upc}< =!=8u "ghepkvt `cghsnp 8==U$
Dawcvuc pdic ndidp
ebhvhepcvdupde esvwc
ucncepdka
"DP Pvhdp Esvwc$
8)0 Ucp upc}< 8 "ghepkvt `cghsnp 8$
Dawcvuc pdic ndidp
ekauphap
"DP Pdic Ekaphap$
=!==)8!==U Ucp upc}< =!=8U "ghepkvt `cghsnp 8U$
Dawcvuc pdic ndidp uphvpdaj
esvvcap
"DP Uphvp Esvvcap$
"=!8)6$Da Ucp upc}< =!=8H "ghepkvt `cghsnp 8Da$
Wknphjc }vkpcepdka
Sa`cvwknphjc ucppdaj
whnsc
"Sa`cvwknp! Whnsc$
7=!==)4=!==W Ucp upc}< =!=8W "ghepkvt `cghsnp 4=W$
Sa`cvwknphjc `cnht
"Sa`cvwknp! Pdic$=!3=)8==!==U Ucp upc}< =!=8U "ghepkvt `cghsnp 8==U$
66
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Kwcvwknphjc ucppdaj whnsc
"Kwcvwknp! Whnsc$8==!==)83=!==W Ucp upc}< =!=8W "ghepkvt `cghsnp 88=W$
Kwcvwknphjc `cnht
"Kwcvwknp! Pdic$=!==)8==!==U Ucp upc}< =!=8U "ghepkvt `cghsnp 8==U$
Ghdnsvc ucppdaj whnsc
]P ghdnsvc `cnht
"]P Ghdnsvc Pdic$=!3=)8=!==U Ucp upc}< =!=8U "ghepkvt `cghsnp 8=U$
EP ghdnsvc `cnht
"EP Ghdnsvc Pdic$=!3=)8=!==U Ucp upc}< =!=8U "ghepkvt `cghsnp 8=U$
Aka)cncepvde xshapdpt }vkpcepdka
Ucppdaj whnsc kg
Aka)cncepvde xshapdpt 8
esvvcap"Aka)cnce!8 Whnsc$
0!==)6=!==iH Ucp upc}< =!=8iH "ghepkvt `cghsnp 6=iH$
Ucppdaj whnsc kg
Aka)cncepvde xshapdpt 8
`cnht
"Aka)cnce!8 Pdic$
=!==)8==!==U Ucp upc}< =!=8U "ghepkvt `cghsnp =U$
Ucppdaj whnsc kg
Aka)cncepvde xshapdpt 6
esvvcap
"Aka)cnce!6 Whnsc$
0!==)6=!==iH Ucp upc}< =!=8iH "ghepkvt `cghsnp 6=iH$
Ucppdaj whnsc kg
Aka)cncepvde xshapdpt 6
`cnht
"Aka)cnce!6 Pdic$
=!==)8==!==U Ucp upc}< =!=8U "ghepkvt `cghsnp =U$
Sa`cv)gvcxscaet sankh`daj
Ucppdaj whnsc kg
sa`cv)gvcxscaet
sankh`daj
"Sa`cv)gvcx!Whnsc$
03!==)3=!==B| Ucp upc}< =!=8B| "ghepkvt `cghsnp 02B|$
Ucppdaj whnsc kg
sa`cv)gvcxscaet
sankh`daj `cnht
"Sa`cv)gvcx!Pdic$
=!3=)8==!==U Ucp upc}< =!=8U "ghepkvt `cghsnp 8==U$
65
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Ucppdaj whnsc kg
sa`cv)gvcxscaet
sankh`daj nkz esvvcap
fnkeo
"Nkz Esvvcap Nkeo$
=!6)3H Ucp upc}< =!=8H "ghepkvt `cghsnp Da$
Ucppdaj whnsc kg
sa`cv)gvcxscaet
sankh`daj Sa`cvwknphjc
fnkeo
"Sa`cvwknp! Nkeo$
7=!==)4=!==W Ucp upc}< =!=8W "ghepkvt `cghsnp 4=W$
Ucppdaj whnsc kg
sa`cv)gvcxscaet
sankh`daj und} fnkeo
"`g+`p Nkeo$
=!3)2!==B|+u Ucp upc}< =!=8B|+u "ghepkvt `cghsnp 8B|+u$
60
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
0!!! @cuevd}pdka kg fdahvt da}sp. ksp}sp ha` hahnkj xshapdpt!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!0!8 Ikadpkvdaj kg hahnkj xshapdpdcu
Hahnkj xshapdpdcu eha fc ikadpkvc` sa`cv pbc _]vkpcepdka @hph @du}nhtY. _Ichusvc` @hph
@du}nhtY ha` _]snuc CacvjtY icasu.zbdeb hvc sa`cv pbc _Uphpc @du}nhtY icas. }vcuu pbc „„.
„„ octu pk gnd} kwcv! Pbc ghepkvt }vcedudka kg pbc cwdec bhu fcca ehndfvhpc`! Pbc }vkpcepdkaesvvcap du ehndfvhpc` hp ksfnc pbc vhpc` esvvcap ha` pbc ichusvdaj esvvcap hp h udajnc vhpc`
esvvcap! Pbc ndup du hu gknnkzu<
Akpc< gkv }vkpcepdka EP 5)}bhuc. ]P T)T zdvdaj? `sc pk pbc sa`cv)gvcxscaet sankh`daj
}vkpcepdka kg pbdu cwdec. pbc gvcxscaet du}nht du }sp da pbc }vkpcepdka hph!
Hahnkj xshapdpt
pcvidahnHahnkj xshapdpt ahic Pcup icpbk`
Pcvidahnu @=8. @=6]vkpcepdka ]bhuc H
esvvcap "DH8$
H`` `ksfnc pbc vhpdaj. `du}nhtc` `cwdhpdka
akp crecc`daj 8#
Pcvidahnu @=5. @=0]vkpcepdka ]bhuc F
esvvcap "DF8$H`` `ksfnc pbc vhpdaj. `du}nhtc` `cwdhpdka
akp crecc`daj 8#
Pcvidahnu @=3. @=7]vkpcepdka ]bhuc E
esvvcap "DE8$
H`` `ksfnc pbc vhpdaj. `du}nhtc` `cwdhpdka
akp crecc`daj 8#
Pcvidahnu @=:. @=2\cvk ucxscaec esvvcap
"D=$
H`` 8H. `du}nhtc` `cwdhpdka akp crecc`daj
=!6#
Pcvidahnu @=4. @8=Ichusvcicap ]bhuc H
esvvcap "Dh$
H`` h udajnc vhpdaj. `du}nhtc` `cwdhpdka akp
crecc`daj =!6#
Pcvidahnu @88. @86Ichusvcicap ]bhuc F
esvvcap "Df$
H`` h udajnc vhpdaj. `du}nhtc` `cwdhpdka akp
crecc`daj =!6#
Pcvidahnu @85. @80
Ichusvcicap ]bhuc E
esvvcap "De$
H`` h udajnc vhpdaj. `du}nhtc` `cwdhpdka akp
crecc`daj =!6#
Pcvidahnu @83. @87 ]bhuc H wknphjc "Sh$H`` 3=W. `du}nhtc` `cwdhpdka akp crecc`daj
=!3#
Pcvidahnu @83. @87 G utupci gvcxscaetH`` 3=W 3=B|. `du}nhtc` `cwdhpdka akp
crecc`daj ¸=!=6B|
Pcvidahnu @8:. @82 ]bhuc F wknphjc "Sf$H`` 3=W. `du}nhtc` `cwdhpdka akp crecc`daj
=!3#
Pcvidahnu @84. @6= ]bhuc E wknphjc "Se$H`` 3=W. `du}nhtc` `cwdhpdka akp crecc`daj
=!3#
Pcvidahnu @68. @66\cvk ucxscaec wknphjc
"S=$
H`` 3=W. `du}nhtc` `cwdhpdka akp
crecc`daj =!3#
Pcvidahnu @65. @60Nkz)wknphjc ud`c |cvk
ucxscaec esvvcap "D=N$
H`` ksfnc pbc vhpdaj. `du}nhtc` cwdhpdka
akp crecc`daj 8#
Pcvidahnu @63. @67 0q6=iH @E Da}sp 8H`` 8=iH. `du}nhtc` `cwdhpdka akp
crecc`daj 5#
Pcvidahnu @6:. @62 0q6=iH @E Da}sp 6H`` 8=iH. `du}nhtc` `cwdhpdka akp
crecc`daj 5#
H` esvvcap pk Pcvidahnu
@=4. @8=? @85. @80 ft
}knhvdpt? H` wknphjc pk
@83. @87? @8:. @82?
@84. @6= ft }knhvdpt
5)}bhuc hepdwc }kzcv
H`` h udajnc vhpdaj pk esvvcap ha` 8==W pk
ndac wknphjc
Hnpcv }bhuc hajnc. `du}nhtc` }kzcv `cwdhpdka akp crecc`daj =!3#
63
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Hahnkj xshapdpt
pcvidahnHahnkj xshapdpt ahic Pcup icpbk`
H` esvvcap pk Pcvidahnu
@=4. @8=? @85. @80 ft
}knhvdpt? H` wknphjc pk
@83. @87? @8:. @82?
@84. @6= ft }knhvdpt
5)}bhuc vchepdwc }kzcv
H`` h udajnc vhpdaj pk esvvcap ha` 8==W pk
ndac wknphjc
Hnpcv }bhuc hajnc. `du}nhtc` }kzcv `cwdhpdka akp crecc`daj 6#
Pcvidahn E86 pk Pcvidahn
E87 "ekiika pcvidahn kg
]snuc/60W$
]snuc8 "IE8$Ekaacep cheb }kdap kaec. h`` 8 pk pbc
eksap
Pcvidahn E85 pk Pcvidahn
E87 "ekiika pcvidahn kg
]snuc/60W$
]snuc6 "IE6$Ekaacep cheb }kdap kaec. h`` 8 pk pbc
eksap
Pcvidahn E80 pk Pcvidahn
E87 "ekiika pcvidahn kg
]snuc/60W$
]snuc5 "IE5$Ekaacep cheb }kdap kaec. h`` 8 pk pbc
eksap
Pcvidahn E83 pk Pcvidahn
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]snuc/60W$
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eksap
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}vcuu pbc „„. „„ octu pk gnd} kwcv!
Pcvidahnu kg
ekaphep da}spAhic kg fdahvt da}sp Ebceodaj icpbk`
F=8 Ekiika pcvidahn kg fdahvt
da}sp )
"Suc` gkv ekaacepdaj zdpb pbc
acjhpdwc }knc kg crpcvahn
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F=0 Pvknnct pcup }kudpdka
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F=3 ]kudpdka kg jvksa` oadgc
"Chvpb Uzdpeb$
F=7 U}vdaj zdpbksp upkvc` cacvjt
Crpcvahn }kzcv us}}nt kg 66=W kv 88=W
@E eha fc h}}ndc`. ekaacep pbc
acjhpdwc pcvidahn pk pcvidahn F=8.
}kudpdwc pcvidahn pk pcvidahn F=6qF85.
da _Fdahvt da}spY icas da pbc _Uphpc
@du}nhtY. pbc uphpsu kg fdahvt da}sp eha fc
ucca!
Pbc `cwdec hnuk bhu h 60W @E
us}}nt. dg dp du suc`. pcvidahn F80 eha fc
ekaacepc` pk pcvidahn F=6 q F85. da
_Fdahvt da}spY icas da pbc _Uphpc @du}nhtY.
pbc uphpsu kg fdahvt da}sp eha fc ucca!
]nchuc akpc hfksp pbc fdahvt da}sp
wknphjc s}ka kv`cvdaj. dp du ucp pk
@E66=W ft `cghsnp!
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5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
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Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
"U}vdaj$
F=: Bchwt jhu pvd}
"Bchwt Jhu$
F=2 Ndjbp jhu zhvadaj
"Ndjbp Jhu$
F=4 Kwcv pci}cvhpsvc pvd}
"Kwcv P Pvd}$
F8= Pci}cvhpsvc zhvadaj
"Pci}! Hnhvi$
F88 ]vcuusvc vcndcg pvd}
"])vcndcg Pvd}$
F86 Da}sp 88
F85 Da}sp 86
Ihashn pvd}}daj udjahn da}sp
"Ihashn Pvd}$
Ihashn enkudaj udjahn da}sp
"Ihashn Enkuc$
Da}spu kg pbc
ekapvkn edvesdp
ekapvkn edvesdp
"K}cvhpc EDV$
F80 Ucng)}vk`sepdaj @E/60W
0!5 Ikadpkvdaj kg fdahvt ksp}sp
Fdahvt ksp}sp eha fc ikadpkvc` sa`cv pbc _Fdahvt ksp}spY icas. }vcuu pbc „„. „„ octu
pk gnd} kwcv!
Pcvidahnu kg ekaphep
ksp}sp
Ahic kg fdahvt
ksp}sp
Ebceodaj icpbk`
F83)F87 @cwdec ghsnp udjahn
F8:)F82 ]vkpcep hepdka udjahn
F84)F6= Hnhvi udjahn
F68)F66 Ksp}sp ekaphep 0
F65)F60 Ksp}sp ekaphep 3
F63)F67 Pvd} ekaphep 8
F6:)F62 Pvd} ekaphep 6
F64)F5= Ksp}sp ekaphep 2
F58)F56"ekiika k}ca$ Ksp}sp ekaphep 4
Ucncep k}ca ha` enkuc icas. suc „/’.
„)’ oct pk k}cvhpc ha` pcup pbc
ekvvcu}ka`daj pcvidahnu! F58)F56
ha` F50)F53 hvc ekiika k}ca
pcvidahnu pbhp ubksn` enkuc!
6:
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
F56)F55
F50)F53"ekiika k}ca$
F53)F57Ksp}sp ekaphep 8=
H66)H65
Vcikpc ekapvkn
enkudaj ksp}sp
H66)H60Vcikpc ekapvkn pvd}
ksp}sp
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5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
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Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
3!!! K}cvhpdka daupvsepdkau!!!!!!!!!!!!!!!!!!!!!3!8 Ekapvkn }hacn kg `cwdec
862,70 ihpvdr NE@ "Pbc NE@ zdnn jk kgg hgpcv h }cvdk` kg pbc hfucaec kg octfkhv`
k}cvhpdka? pbc NE@ zdnn fc dnnsidahpc` hspkihpdehnnt zbca hat oct du }vcuuc` kv da
ehuc kg }vkpcepdka pvd} kv hnhvi!$ Udjahn da`dehpkv< vsa. ekiisadehpdka. k}cvhpdka. hnhvi. fk`t. ghsnp "kg pbc `cwdec$
Edvesdp fvchocv uphpc da`dehpdka< da`dehpdaj pbc esvvcap uphpc kg pbc edvesdp fvchocv "„K}ca’.
„Enkuc’ }kudpdka da`dehpdka$
Vcikpc+nkehn ucncepdka udjahn. nkehn k}cadaj+enkudaj fsppka
Oct }h`< . . . . Ehaecn. ). /. Capcv. Vcwcvp
Pbc 7)fdp adrdc psfc `du}nhtu pbc }vdihvt ichusvc` whnscu da vchn pdic< DH. DF. DE. Shf.
Sfe. Seh. ]. X. Ekuχ! "]nchuc ucp pbc ]P. EP pvhaugkvihpdka vhpdku }vk}cvnt da pbc Utupci
]hvhicpcvu icas$! Pbc ihrdisi `du}nht vhajc kg pbc }kzcv ka pbc adrdc psfc du< 44444!
Akpc< Ichusvcicap DH< HH. ichusvcicap DF< fH. ichusvcicap
DE< EH.
wknphjc Shf< HfOW. wknphjc Sfe< fEOW. wknphjc Seh< EHOW.
hepdwc }kzcv< ]OZ. vchepdwc }kzcv< xOWhv. }kzcv ghepkv< B
3!6 Daupvsepdkau gkv suc kg oct }h` ha` NE@ `du}nht
@svdaj pbc `cwdec—u akvihn k}cvhpdka. dp zdnn `du}nht pbc ichusvdaj esvvcap. }kzcv.
pdic da etenc! ]vcuu pbc „Capcv’ oct pk capcv pbc ihda icas. zbdeb du h isnpd)ncwcn pvcc
icas! ]vcuu pbc „„. „„ octu pk ikwc pbc esvukv pk pbc `cudvc` capvt. }vcuu pbc „Capcv’
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Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
oct pk capcv pbdu capvt. ha` }vcuu pbc „Ehaecn’ oct pk vcpsva pk pbc acrp bdjbcv ncwcn kg
uevcca! Dg pbdu uevcca du updnn h icas. ekapdasc pk }vcuu pbc „„. „„ oct pk ucncep pbc
`cudvc` capvt. }vcuu pbc „Capcv’ oct pk capcv pbc acrp ncwcn kg uevcca. ha` }vcuu pbc
„Ehaecn’ oct pk vcpsva pk pbc acrp bdjbcv ncwcn kg icas! Dg pbcvc du ak icas uevcca. fc usvc
pk }vcuu pbc „Ehaecn’ oct pk vcpsva pk pbc acrp bdjbcv ncwcn kg icas! Pbc ihda icas du
ubkza hp pbc ecapcv kg pbc gknnkzdaj gdjsvc. zdpb pbc ekvvcu}ka`daj usficasu ka fkpb
ud`cu!
Pbc ihda dapcvghec `du}nhtu pbc }vdihvt k}cvhpdaj }hvhicpcvu da psva! Pbc ihrdisi
`du}nhtc` whnsc kg pbc }vdihvt du 7===!=H! Gkv utupciu zdpb h vhpc` esvvcap kg 3H. pbc ucp
EP pvhaugkvihpdka vhpdk ubhnn akp crecc` 6===! Dg pbc }vdihvt }kzcv du jvchpcv pbha
8===OZ. pbc `du}nht sadp du IZ. kpbcvzduc du
5=
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Akpc 8<Kant ikpkv }vkpcep ichusvc ha` ekapvkn `cwdec bhu pbdu dpci!
Akpc 6<Gkv fhude }hvhicpcvu ha` @+H ucppdaj da icas „Utupci ]hvhicpcvu’.
`dggcvcap `cwdecu bhwc `dggcvcap fhude }hvhicpcvu ucppdaj. gkv pbc Ucppdaj icas. ucc pbc
`cuevd}pdka kg cheb `cwdec!
Akpc 5<Gkv ucppdaj whnsc icas. ucc pbc `cuevd}pdka kg cheb `cwdec!
Uphpc @du}nht
Pbc _Uphpc @du}nhtY icas ekaphdau 2 usficasu. daens`daj }vkpcepdka `hph. ichusvdaj
Ihda icas
8ºUphpc @du}nht
6ºUdjahn Vcwcvp
5ºVc}kvp @du}nht
0ºKsp}sp Pcup
3ºUTU ]hvhicpcvu
7ºUcppdaj Whnsc
:ºEnkeo Ucppdaj
2º]huuzkv`
4ºWcvudka Dagk!
3!]hvhicpcvu"Akpc 6$
Ucppdaj \cvk Ak!
Ekii! Ucppdaj
F! ]hvhicpcvu
@+H Ucppdaj
]snuc Cacvjt
Pvd} Pdicu Enchv
Ebhaacn Ekcg!
Ik`cn<I▨]V)7==Bf
Wcvudka<W▨!▨▨!▨▨
@hpc<6=▨▨)▨▨)▨▨
EVE<▨▨▨▨▨▨▨▨B
8! Uphpc @du}nht
]vkpcepdka @hph
Ichusvdaj @hph
Fdahvt Da}sp
]snuc Cacvjt
]bhuc Hajnc
Bhvikade @hph
@E Da}sp @hph
Pvd} Pdicu
5!Vc}kvp @du!
Pvd} Vc}kvp
Fdahvt Vc}kvp
Cwcap Vc}kvp
Ikpkv uphvp whnsc"akpc 8$
Vc}kvp Enchv
0!Ksp}sp Pcup
@cwdec Ghdnsvc
Pvd} Udjahn
Hnhvi Udjahn
Ksp}sp 0
Ksp}sp 3
]VKP Ksp}sp 8
]VKP Ksp}sp 6
Ksp}sp 2
Ksp}sp 4
Ksp}sp 8=
Vcikpc Enkuc
Vcikpc Pvd}
K}cvhpc Hnn Vcnhtu
7!Ucppdaju"Akpc 5$
]vkpcepdka Ka+Kgg
〆〆〆〆〆〆
Akpc< Ucc }vkpcepdka
ucppdaj phfnc gkv `cphdnc`
:!Enkeo ucppdaj
@hpc<▨▨)▨▨)▨▨
Pdic<▨▨<▨▨<▨▨
6!Udjahn Vcwcvp
Capcv
2! ]huuzkv`
▨▨▨▨
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Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
`hph. fdahvt da}sp. ]snuc Cacvjt. hajnc `du}nht. bhvikade `hph. @E ichusvcicap ha` pvd}
uphpdupdeu! Dp du `cuevdfc` hu gknnkzu<
]vkpcepdka @hph ↘↕
Dh9▨▨▨!▨▨H
Df9▨▨▨!▨▨H
De9▨▨▨!▨▨H
Shf9▨▨▨!▨▨W
Sfe9▨▨▨!▨▨W
Seh9▨▨▨!▨▨W
D89▨▨▨!▨▨H
D69▨▨▨!▨▨H
D=9▨▨! ▨▨▨HS89▨▨▨!▨▨H
S69▨▨▨!▨▨H
S=9▨▨▨!▨▨H
D=N9▨▨▨!▨▨H
G9▨▨▨!▨▨B|
D=lu9▨▨▨!▨▨H
S=lu9▨▨▨!▨▨W
]vkpcepdka EP uceka`hvt esvvcap whnsc
]P uceka`hvt ndac wknphjc whnsc
]vkpcepdka }kudpdwc ucxscaec esvvcap
]vkpcepdka acjhpdwc ucxscaec esvvcap
Bdjb wknphjc ud`c |cvk ucxscaec esvvcap"Hahnkj xshapdpt$ ]kudpdwc ucxscaec wknphjc
Acjhpdwc ucxscaec wknphjc
\cvk ucxscaec wknphjc"Hahnkj xshapdpt$
Nkz wknphjc ud`c |cvk ucxscaec esvvcap
Gvcxscaet
\cvk ucxscaec esvvcap"ehnesnhpc xshapdpt$
\cvk ucxscaec wknphjc"ehnesnhpc xshapdpt$
Ichusvdaj @hph ↘↕
DH9▨▨▨!▨▨H
DF9▨▨▨!▨▨H
DE9▨▨▨!▨▨H
Sh9▨▨▨!▨▨W
Sf9▨▨▨!▨▨W
Se9▨▨▨!▨▨W
]9 ▨▨▨▨!▨Z
X9 ▨▨▨▨!▨Z
EkuΧ9▨!▨▨▨
Ichusvdaj EP uceka`hvt esvvcap whnsc
]P uceka`hvt }bhuc wknphjc whnsc"`k akp
`du}nht zbca W W zdvdaj ik`c$
Hepdwc }kzcv
Vchepdwc }kzcv
]kzcv ghepkv
56
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
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Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Hp Enkuc`. edvesdp fvchocv du hp enkuc` }kudpdka? hp K}ca. edvesdp
Akpc< Da pbc upha`hv` ekagdjsvhpdkau. pbc da}sp edvesdp bhu pbc ekaacepdka pk ha
crpcvahn 66=W@E ekapvkn }kzcv us}}nt! Zbca ak @E ekapvkn }kzcv us}}nt kv ekapvkn
utupci du hwhdnhfnc ka udpc. fsp h 88=W@E ekapvkn }kzcv us}}nt du hwhdnhfnc. h 88=W@E
ekapvkn }kzcv us}}nt iht fc suc` gkv `dvcep ekaacepdka pbvksjb nkehn bhv`zhvc
h`lsupicap. kv pbc 60W }kzcv us}}nt kg pbc `cwdec iht fc suc` hu pbc da}sp }kzcv us}}nt
"zbca pbc da}sp ekiika pcvidahn du /60W. pcvidahn asifcv< F80. Pcvidahn F=8 du oc}p
gnkhp$! Bkzcwcv. pbdu isup fc u}cedgdc` zbca kv`cvdaj!
Fdahvt Da}sp ↘ ↕
<▨
knnct Vsa<▨
vknnct Pcup<▨
<▨
}vdaj< ▨
wt Jhu <▨
Jhu <▨
Pvd} <▨
i}! Hnhvi <▨
])vcndcg Pvd} <▨
〆〆〆〆〆〆
fvchocv du hp k}ca }kudpdka! Akpc< Pbc }kudpdka kg pbc edvesdp
fvchocv vcnhpcu pk }vkpcepdka nkjde. zdpb gdrc` }kudpdka!
Zbca enkuc`. pvknnct hp k}cvhpdaj }kudpdka
Zbca enkuc`. pvknnct hp pcup }kudpdka
Zbca enkuc`. enkuc` }kudpdka
Zbca enkuc`. cacvjt upkvhjc akp eki}ncpc`
Fvchocv
Pv
P
Chvpb Uzdpeb
U
Bch
Ndjbp
@cuevd}pdka whvdcu zdpb ik`cn. ucc ekvvcu}ka`daj
pcvidahn `dhjvhi gkv `cphdnu
Kwcv P
Pc
]snuc Cacvjt ↘ ↕
IE8<▨▨▨▨▨▨▨▨▨▨
IE6<▨▨▨▨▨▨▨▨▨▨
IE5<▨▨▨▨▨▨▨▨▨▨
IE0<▨▨▨▨▨▨▨▨▨▨
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/▨▨▨▨▨▨▨º▨▨▨OWB
)▨▨▨▨▨▨▨º▨▨▨OZB
)▨▨▨▨▨▨▨º▨▨▨OWB
Heesisnhpdka kg pbc cwdec—u vchn)pdic hepdwc ha vchepdwc ehnesnhpdkau
kwcv pdic. / gkv }kudpdwc dvcepdka. ) gkv acjhpdwc dvcepdka!
Crpcvahn di}snuc cacvjt da}sp eksapdaj "0)zht$
]bhuc Hajnc ↘ ↕
Sh< = = = º= =½
Sf<▨▨▨º▨▨½
Se<▨▨▨º▨▨½
Dh<▨▨▨º▨▨½
Df<▨▨▨º▨▨½
De<▨▨▨º▨▨½
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DF<▨▨▨º▨▨½
DE<▨▨▨º▨▨½
]bhuc hajnc vcnhpdwc pk Sh. Sh hu =½ ft cghsnp! Zbca zdvdaj
icpbk du WW. dp du}nhtu ndac wknphjcu vcnhpdwc pk Shf.pbc uhic hu
gknnkzu
]bhuc hajnc kg }vkpcepdka esvvcap vcnhpdwc pk Sh
]bhuc hajnc kg ichusvdaj esvvcap vcnhpdwc pk Sh
55
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
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Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Bhvikade ↘ ↕
D6< ▨▨▨º▨▨#
D5< ▨▨▨º▨▨#
D0< ▨▨▨º▨▨#D3< ▨▨▨º▨▨#
〆〆〆〆〆〆
D88< ▨▨▨º▨▨#
6q88up bhvikadeu gkv zbdeb hahnkj ebhaacnu bhwc fcca ucncepc da utupci
@E Da}sp ↘ ↕
@E8<▨▨▨º▨▨iH
@E6<▨▨▨º▨▨iHCrpcvahn @E da}sp 0q6=iH "6)zht$
Udjahn vcwcvp
Pvd} Pdicu
Pkphn▨▨▨▨pdicu
Da pbc _Udjahn VcwcvpY icas. }vcuu pbc „Capcv’ oct. pbc udjahn vcnht ha` pbc „K}cvhpdka’
da`dehpkv ka pbc }hacn zdnn fc vcucp!
Vc}kvp @du}nht
Pbc _Vc}kvp @du}nhtY icas daens`cu 0 usficasu. daens`daj pvd} vc}kvp. vcikpc udjahnvc}kvp. cwcap vc}kvp ha` enchv vc}kvp! Cwcap vcekv`daj daens`cu< `cwdec ucng)ebceo ghsnp.
`cwdec ucppdaj whnsc ik`dgdehpdka. utupci }hvhicpcv ik`dgdehpdka ha` ucppdaj |kac
asifcv ik`dgdehpdka. cpe! Pvd} vc}kvp eha fc vcekv` gkv pbc nhup 3= cwcapu. vcikpc udjahn
vc}kvp gkv 8==. cwcap vc}kvp gkv 5= hp ikup! Fctka` pbdu. pbc nhpcup vc}kvp zdnn kwcvzvdpc pbc
chvndcup kac! ]vcuu pbc „Capcv’ oct pk capcv pbc ekvvcu}ka`daj _Pk wdcz rr vc}kvp. }nchuc
capcv vc}kvp asifcv< == Y icas. ha` capcv hat gdjsvc zdpbda upkvhjc wknsic. }vcuu pbc
„Capcv’ oct pk `du}nht pbc ekapcapu kg pbhp vc}kvp! Pbc uevcca du hu gknnkzu<
Vc}kvp Ak<▨▨ ↕
6=▨▨)▨▨)▨▨
▨▨<▨▨<▨▨<▨▨▨
▨▨▨▨▨▨
Vc}kvp Ak! kg pbdu vc}kvp
Tchv. ikapb. `ht. bksv. idaspc. uceka` ha`
idnnduceka` zbca dp pkko }nhec
Vc}kvp ekapcap `cuevd}pdka
]vcuu oct pk ucc pbc u}cedgde k}cvhpdka whnsc! ]vcuu ha` octu pk gnd} kwcv!
50
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
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Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
K}cvhpdka whnscu
Dh 9 ▨▨▨º▨▨ H
Df 9 ▨▨▨º▨▨ H
De 9 ▨▨▨º▨▨ HShf 9 ▨▨▨º▨▨ W
Sfe 9 ▨▨▨º▨▨ W
Seh 9 ▨▨▨º▨▨ W
D8 9 ▨▨▨º▨▨ H
D6 9 ▨▨▨º▨▨ H
D= 9 ▨▨º▨▨▨ H
S8 9 ▨▨▨º▨▨ H
S6 9 ▨▨▨º▨▨ H
S= 9 ▨▨▨º▨▨ H
Sh 9 ▨▨▨º▨▨ H
Sf 9 ▨▨▨º▨▨ H
Se 9 ▨▨▨º▨▨ H
D=lu 9 ▨▨▨º▨▨ H
S=lu 9 ▨▨▨º▨▨ H
D=N 9 ▨▨▨º▨▨ H
@E8 9 ▨▨▨º▨▨ iH
@E6 9 ▨▨▨º▨▨ iH
G 9 ▨▨▨º▨▨ B|
]vkpcepdka EP uceka`hvt whnsc
]vkpcepdka ]P uceka`hvt whnsc
]kudpdwc. acjhpdwc. |cvk ucxscaec }vkpcepdka
esvvcap
]kudpdwc ucxscaec wknphjc
Acjhpdwc ucxscaec wknphjc
\cvk ucxscaec wknphjc
Fsu }bhuc wknphjc
Bdjb wknphjc ud`c |cvk ucxscaec esvvcap ehnesnhpc whnsc
|cvk ucxscaec wknphjc ehnesnhpc whnsc
Nkz wknphjc ud`c |cvk ucxscaec esvvcap ehnesnhpc whnsc
Aka cncepvde @E
Gvcxscaet
Ksp}sp pcup
Hgpcv capcvdaj pbc _Ksp}sp PcupY icas. pbc ekvvcep }huuzkv` du vcxsdvc` pk capcv pbc
_Ksp}sp PcupY icas! Dp `du}nhtu pbc gknnkzdaj<
]vcuu „Capcv’ oct
‐‐‐‐‐‐1
>‐‐‐‐‐‐
]vcuu „Ehaecn’ oct
0!Ksp}sp pcup ↘ ↕
@cwdec Ghdnsvc
Pvd} Udjahn
Hnhvi Udjahn
Ksp}sp 0
Ksp}sp 3
]VK Ksp}sp8
]VK Ksp}sp6
〆〆〆〆〆〆
K}cvhpc Hnn
@cwdec Ghdnsvc
Ka Kgg
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5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
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Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Utupci }hvhicpcvu
Hgpcv capcvdaj pbc _Utupci ]hvhicpcvuY icas. pbc ekvvcep }huuzkv` du vcxsdvc` pk
capcv pbc _Utupci ]hvhicpcvuY icas! Dp `du}nhtu pbc gknnkzdaj<
3!]hvhicpcvu ↘↕
Ucppdaj \kac Ak!
Ekii! Ucppdaj
Fhude ]hvhicpcvu
@+H ucppdaj
]snuc Cacvjt
Pvd} Pdic Enchv
Ebhaacn Ekcg!
Ucppdaj |kac asifcv< vhajc ==q=:!
Ekiisadehpdka ucppdaj
Ekii! ucppdaj ↘ ↕
VU023 H``vcuu
▨▨
VU023 Fhs` vhpc
▨▨
]snuc Da}sp Pdic
▨▨▨▨iU
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▨▨▨! ▨▨▨! ▨▨▨! ▨▨▨
O Z @cghsnp
▨▨▨! ▨▨▨! ▨▨▨! ▨▨▨
Ekiisadehpdka h vcuu kg cwdec =8q44
==<6!0OF?=8<0!2OF?=6<4!7OF?=5<
84!6OF?=0<52!0OF?=3<883!6OF
Ekagdvihpdka pdic kg 0)zht di}snuc
cacvjt. 18=iU. > di}snuc zd`pb kg
odnkzhpp)bksv icpcv
Gkv Cpbcvacp ekiisadehpdka
57
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Ucppdaj kg fhude }hvhicpcvu "ucc pbc `cuevd}pdka kg pbc }vkpcepdka `cwdec gkv fhude
}hvhicpcvu$
F! ]hvhicpcvu< ↘↕
Vhpdaj Esvvcap▨▨
]P Vhpdk
▨▨▨▨
EP Vhpdk
▨▨▨▨
EP Zdvdaj Ik`c
▨▨
]P Zdvdaj Ik`c
▨▨
Bhvikade Ebhaacn
▨▨
〆〆〆〆〆〆
Ucppdaj pbc EP uceka`hvt esvvcap vhpdaj ==<8H?
=8<3H
Ucppdaj pbc ]P pvhaugkvihpdka vhpdk< 8q83==
Ucppdaj pbc EP pvhaugkvihpdka vhpdk< 8q3===
Ucppdaj pbc EP uceka`hvt zdvdaj ik`c
==<5)}bhuc?=8<6)}bhuc
Ucppdaj pbc EP uceka`hvt zdvdaj ik`c==<<TT?=8<W W
Ucppdaj hahnkj xshapdpt ebhaacnu =q86 gkv bhvikade
ikadpkvdaj. ucncep= pk crdp gvki pbc bhvikade
ehnesnhpdka gsaepdka
@+H ucppdaj
Pbc `cwdec bhu pzk 0q6=iH ksp}spu! Pbc @H8q@H6 h`lsupicap ghepkv du suc` pk
h`lsup pbc heesvhet kg pbc ebhaacn ksp}sp! Pbc @H8q@H6 ebhaacn ucncepdka du suc` pk
ucncep pbc ekvvcu}ka`daj hahnkj xshapdpt ebhaacn "ucc pbc `cuevd}pdka kg pbc }vkpcepdka`cwdec gkv u}cedgde vcgcvcaec xshapdpdcu$! Da pbc heesvhet pcup. ihoc usvc pbc gdcn` jvksa`
du da jkk` ekaphep? kpbcvzduc pbc heesvhet idjbp fc hggcepc`!
]snuc cacvjt ucppdaj
Cacvjt fhuc asifcvu eha fc ucp. daens`daj Di}snuc 8. Di}snuc 6. Di}snuc 5. Di}snuc
0. }kudpdwc hepdwc cacvjt. }kudpdwc vchepdwc cacvjt. acjhpdwc hepdwc cacvjt ha` acjhpdwc
vchepdwc cacvjt!
Enchv pvd} eksap
Suc` gkv enchvdaj pbc pvd} eksap!
Ucppdaju
Hgpcv capcvdaj pbc }huuzkv`. tks eha capcv pbc _Whnsc UcppdajY icas! Ucc pbc ucppdaju
`cuevd}pdka kg pbc }vkpcepdka `cwdec gkv pbc `cphdnc` `cuevd}pdka!
Enkeo ucppdaj
H fhppcvt)fheo vchn)pdic enkeo du }vkwd`c` da pbc `cwdec. zbdeb eha }cvgkvi pdic
h`lsup vcikpcnt wdh pbc ekiisadehpdka acpzkvo kv da)udpc pdic h`lsup da pbc _Pdic UcppdajY
icas!
5:
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Capcv pbdu icas ha` }vcuu pbc „Capcv’ oct. pbc
enkeo zdnn upk} vcgvcubdaj ha` h esvukv zdnn h}}chv!
Ikwc pbc esvukv pk pbc `cudvc` }kudpdka gkv
ik`dgdehpdka ft }vcuudaj pbc „„. „„ octu. ik`dgt
pk pbc `cudvc` whnsc zdpb pbc „/’. „)’ octu! ]vcuu pbc
„Capcv’ oct pk eki}ncpc ucppdaj! Dg pbc „Ehaecn’ oct
du }vcuuc`. pbc ucppdaj zdnn fc ehaecnnc` ha` pbc
uevcca ekapdascu pk vcgvcub pbc enkeo!
]huuzkv`
Pbc _]huuzkv`Y icas du suc` pk ik`dgt pbc }huuzkv` gkv capvt dapk pbc Ucppdaju.
Utupci }hvhicpcvu ha` Ksp}sp Pcup usficasu! Pbc dadpdhn }huuzkv` du }vkwd`c` ft pbc
ghepkvt! Pbc sadwcvuhn }huuzkv` du „8===’!
Ikwc pbc esvukv pk pbc `cudvc` }kudpdka gkv
ik`dgdehpdka ft }vcuudaj pbc „„. „„ octu.
ik`dgt pk pbc `cudvc` }huuzkv` zdpb pbc „/’. „)’
octu! ]vcuu pbc „Capcv’ oct pk capcv pbc acz
}huuzkv` ucppdaj icas hu hfkwc? }vcuu pbc
„Ehaecn’ oct pk ehaecn pbc ucppdaj!
:! Enkeo ucppdaj
@hpc<6=▨▨)▨▨)▨▨
Pdic< ▨▨<▨▨<▨▨
]nu capcv }huuzkv`
= = = =
J]U enkeo utaebvkad|hpdka
Pbc J]U enkeo utaebvkad|hpdka udjahn du da}sp hu vu023 `dggcvcapdhn wknphjc. pbc `cwdecdu hfnc pk vcecdwc J]U enkeo idaspc utaebvkad|hpdka"kv uceka` utaebvkad|hpdka$! Dg pbcvc
du J]U udjahn. pbcvc zdnn fc ha` gnhubdaj ka pbc fkppki kg etenc icas? kpbcvzduc
zka—p!
Pbc }vdaed}nc kg J]U enkeo utaebvkad|hpdka< Pbc uceka` }snuc kv idaspc }snuc hep
zdpb pbc ikadpkvdaj utupci. pbc pdic fhuc zdpb uceka` }vcedudka du ucap ft ikadpkvdaj
utupci. zbca pbc J]U uceka` `dggcvcapdhn udjahn hvvdwcu. pbc pdic fhuc du sadgdc` ha` pbc
idnnduceka`u hvc enchvc`!
Wcvudka Dagk
Capcv pbc _4! Wcvudka DagkY icas sa`cv pbc ihda icas. pbc ik`cn. ukgpzhvc wcvudka
ha` `hpc kg pbc `cwdec zdnn fc `du}nhtc`!
Akpc< Gkv h ekvvcu}ka`daj akaupha`hv` ik`cn. pbc `cwdec—u `du}nhtc` ik`cn `kcu akp
bhwc pk fc ebhajc`!
7!!! Ebceo!!!!!kg }vkpcepdka gsaepdka!!!!!!!!!!!!!!!!!!!!7!8 Ebceo kg kwcvesvvcap }vkpcepdka "Kwcvesvvcap$
Kwcvesvvcap }vkpcepdka bhu pbvcc ucjicapu? pbcuc hvc dauphaphacksu kwcvesvvcap
}vkpcepdka. pbc pdic `cnht dauphaphacksu }vkpcepdka kwcvesvvcap `cgdadpc)pdic ndidp
52
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
IP]V)78=Bf
@8"5.3$
@6"0.7$ H=8
@83
@8:
@84 H=6
@87"82.6=$
Dh—"Df—.De—$
Dh"Df.De$
Sh
Sf]kzcv us}}nt
Se
Sh—"Sf—〈Se—$
}vkpcepdka! Dp eha fc ucp ha` }sp da+kgg vcu}cepdwcnt! Pbc pbvcc }vkpcepdkau bhwc uhic
}vdaed}nc! Phoc dauphaphacksu kwcvesvvcap }vkpcepdka hu ha crhi}nc pk cr}nhda! Ekaacep
hu gdjsvc 7)8. }sp dauphaphacksu kwcvesvvcap }vkpcepdka ha` dauphaphacksu kwcvesvvcap
eki}ksa`c` wknphjc fnkeo da vsaadaj!
Gdjsvc 7)8
Ucp da heekv`haec zdpb pbc phfnc hu gknnkz. phoc pbc k}cvhpdaj whnsc ha` occ} dp da pbc
phfnc! Zbca dauphaphacksu kwcvesvvcap }vkpcepdka du k}cvhpc`. pcvidahnu F8:)82.F63)F67
ha` F6:)F62 ubksn` fc ekaacepc`!
Esvvcap ucppdaj kg
dauphaphacksu kwcv
esvvcap }vkpcepdka"H$
Da 6Da 3Da 8=Da
K}cvhpdaj whnsc
Da}sp 5=W gkv SFE
ha` esvvcap kg }bhuc
H. phoc SFE hu pbc
fhudu ha` ubdgp
esvvcap pk ebceo pbc
k}cvhpdaj |kacK}cvhpdaj |kac
Esvvcap ucppdaj kg
dauphaphacksu kwcv
esvvcap }vkpcepdka"H$
Da 6Da 3Da 8=Da
K}cvhpdaj whnsc
Da}sp 5=W gkv SEH
ha` esvvcap kg }bhuc
F. phoc SEH hu pbc
fhudu ha` ubdgp
esvvcap pk ebceo pbc
k}cvhpdaj |kacK}cvhpdaj |kac
Esvvcap ucppdaj kg
dauphaphacksu kwcv
esvvcap }vkpcepdka"H$
Da 6Da 3Da 8=Da
K}cvhpdaj whnsc
Da}sp 5=W gkv SHF
ha` esvvcap kg }bhuc
E. phoc SHF hu pbc
fhudu ha` ubdgp
esvvcap pk ebceo pbc
k}cvhpdaj |kacK}cvhpdaj |kac
54
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
Sa`cv wknphjc ucppdaj
"W$6= 0= 7= 2=
K}cvhpdaj whnsc kg
sa`cv wknphjc
Ucppdaj kg acjhpdwc
ucxscaec wknphjc"W$3 8= 83 6=
Ucp kwcvesvvcap
whnsc zdpb 3H. da}sp
esvvcap 7H
K}cvhpdaj whnsc kg
acjhpdwc ucxscaec
wknphjc
7!6 Ebceo kg dawcvuc pdic ndidp kwcvesvvcap }vkpcepdka "DP Kwcvesvvcap$
Ekaacep hu gdjsvc 7)8! ]sp dawcvuc pdic ndidp kwcvesvvcap }vkpcepdka da vsaadaj!
Ebkkuc h oda` kg esvwc da dawcvuc pdic ndidp ebhvhepcvdupde esvwc ucppdaj"=8<Upha`hv`
dawcvuc pdic ndidp?=6<Sasushn dawcvuc pdic ndidp?=5<Crpvcic dawcvuc pdic ndidp?=0<Nkaj
dawcvuc pdic ndidp$.ucp dawcvuc pdic ndidp ekauphapπ} =!3=u.dawcvuc pdic ndidp esvvcap D}
3H!Dawcvuc pdic ndidp ucppdaju hvc da heekv`haec zdpb phfnc hu gknnkz! Zbca pbc dawcvuc
pdic ndidp kwcvesvvcap }vkpcepdka du k}cvhpc`. pcvidahnu F8:)82〈F63)67 ha` F6:)F62
ubksn` fc ekaacepc`!
Esvwc Pbc k}cvhpdaj esvvcap"H$ 6D}"H$ 5D}"H$ 3D}"H$
Pbckvcpdehn k}cvhpdaj pdic"u$ 3!8=3u 5!83u 6!80=u=8<Upha`hv`
dawcvuc
D}93H.π}9=!3u Pbc vchn k}cvhpdaj pdic"u$
Pbckvcpdehn k}cvhpdaj pdic"u$ 7!:3=u 5!5:3u 8!722u=6<Sasushn
dawcvuc
D}93H.π}9=!3u Pbc vchn k}cvhpdaj pdic"u$
Pbckvcpdehn k}cvhpdaj pdic"u$ 85!555u 3!===u 8!77:u=5<Crpvcic
dawcvuc
D}93H.π}9=!3u Pbc vchn k}cvhpdaj pdic"u$
Pbckvcpdehn k}cvhpdaj pdic"u$ 7=!===u 5=!===u 83!===u=0<Nkaj dawcvuc
D}93H.π}9=!3u Pbc vchn k}cvhpdaj pdic"u$
7!5 Ebceo kg acjhpdwc ucxscaec kwcvesvvcap }vkpcepdka "AU Kwcvesvvcap$
Pbc acjhpdwc ucxscaec esvvcap du ehnesnhpc` ft }vkpcepdka esvvcapu! Ekaacep hu gdjsvc
7)8!
7!:!8 Acjhpdwc ucxscaec kwcvesvvcap `cgdadpc pdic ndidp }vkpcepdka]sp acjhpdwc ucxscaec kwcvesvvcap `cgdadpc pdic ndidp }vkpcepdka da vsaadaj. da}sp pbvcc
0=
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
}vkpcepdka esvvcapu hu acjhpdwc ucxscaec ik`c! Ucp da heekv`haec zdpb pbc phfnc hu
gknnkz. phoc pbc k}cvhpdaj whnsc ha` occ} dp da pbc phfnc!
Acjhpdwc ucxscaec esvvcap "H$ =!6Da =!0 Da =!7 Da =!2 Da
Acjhpdwc ucxscaec `cnht "u$ 8= 3 6 8
Acjhpdwc ucxscaec esvvcap
k}cvhpdaj whnsc "H$
Acjhpdwc ucxscaec `cnht
k}cvhpdaj pdic "u$
7!:!6 Acjhpdwc ucxscaec kwcvesvvcap dawcvuc pdic ndidp }vkpcepdka
]sp acjhpdwc ucxscaec kwcvesvvcap dawcvuc pdic ndidp }vkpcepdka da vsaadaj. da}sp pbvcc
}vkpcepdka esvvcapu hu acjhpdwc ucxscaec ik`c! Dau}cep pbdu }vkpcepdka heekv`daj hu
kwcvesvvcap dawcvuc pdic ndidp }vkpcepdka phfnc!
Zbca acjhpdwc ucxscaec kwcvesvvcap }vkpcepdka du k}cvhpc`. pcvidahnu F8:)82.
F63)67 ha` F6:)F62 ubksn` fc ekaacepc`!
7!0 Ebceo kg kwcvnkh` }vkpcepdka "Kwcvnkh`$
Kwcvnkh` }vkpcepdka sucu pbc ihrdihn esvvcap pk ls`jc. pvd} kv hnhvi eha fc ebkuca.
Dg }sp kwcvnkh` pvd} da vsaadaj. hnhvi gsaepdka crdpu hspkihpdehnnt! Ekaacep hu gdjsvc 7)6. }sp
kwcvnkh` hnhvi da vsaadaj!
Gdjsvc 7)6
Ucp da heekv`haec zdpb pbc phfnc hu gknnkz. phoc pbc k}cvhpdaj whnsc ha` occ} dp da pbc
phfnc! Zbca kwcvnkh` hnhvi du k}cvhpc`. pcvidahnu F84)6= ubksn` fc ekaacepc`!
]sp kwcvnkh` pvd} da vsaadaj. zbca kwcvnkh` pvd} du k}cvhpc`. pcvidahnu F8:)82. F63)67
ha` F6:)F62 ubksn` fc ekaacepc`!
Kwcvnkh` esvvcap"H$
Dh"Df〈De$
Dh—"Df—〈De—$
]kzcv us}}nt
IP]V)78=Bf
@8"5.3$ H=8
@6"0.7$
H=6
3 8= 83 6=
Kwcvnkh` `cnht"u$ 8= 3 6 8
Kwcvnkh` esvvcap
k}cvhpdaj whnsc "H$
Kwcvnkh` `cnht
k}cvhpdaj whnsc "u$
08
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
7!3 Ebceo kg |cvk ucxscaec Kwcvwknphjc }vkpcepdka "\U Kwcvwknphjc$
\cvk ucxscaec Kwcvwknphjc }vkpcepdka sucu k}ca ikspb pvdhajnc wknphjc gvki kspud`c!
Pvd} kv hnhvi eha fc ebkuca.Dg }sp kwcvnkh` pvd} da vsaadaj. hnhvi gsaepdka crdpu
hspkihpdehnnt! Ekaacep hu gdjsvc 7)5. }sp \cvk ucxscaec Kwcvwknphjc hnhvi da vsaadaj!
S=
S=—
/ZE
)ZE
]kzcv us}}nt
IP]V)78=Bf
@68 H=8
@66
F=6 H=6
F=8
Gdjsvc 7)5
Ucp da heekv`haec zdpb pbc phfnc hu gknnkz. phoc pbc k}cvhpdaj whnsc ha` occ} dp da pbc
phfnc! Zbca \cvk ucxscaec Kwcvwknphjc hnhvi du k}cvhpc`. pcvidahnu F84)6=. ubksn` fc
ekaacepc`!
]sp \cvk ucxscaec Kwcvwknphjc pvd} da vsaadaj. Zbca \cvk ucxscaec Kwcvwknphjc
pvd} du k}cvhpc`. pcvidahnu F8:)82. F63)67 ha` F6:)F62 ubksn` fc ekaacepc`!
\cvk ucxscaecKwcvwknphjc "W$
8= 6= 5= 3=
\cvk ucxscaec8 8= 3= 8==
Kwcvwknphjc `cnht"u$
\cvk ucxscaec Kwcvwknphjc
k}cvhpdaj whnsc "W$
\cvk ucxscaec Kwcvwknphjc
`cnht k}cvhpdaj whnsc "u$
7!7 Ebceo kg |cvk ucxscaec kwcvesvvcap }vkpcepdka "\U Kwcvesvvcap$
\cvk ucxscaec kwcvesvvcap }vkpcepdka bhu pbvcc ucjicapu! Dp eha fc ucp ha` }sp
da+ksp vcu}cepdwcnt! Pbcuc pbvcc }vkpcepdkau bhwc uhic }vdaed}nc.phoc |cvk ucxscaec
kwcvesvvcap }vkpcepdka D hu ha crhi}nc pk cr}nhda! Ekaacep hu gdjsvc 7)0. }sp |cvk
ucxscaec kwcvesvvcap }vkpcepdka D da vsaadaj!
06
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
IP]V)78=Bf
@83
@87 H=8
@68
@66 H=6
@=:
@=2
]kzcv us}}nt5S=
5S=
5D=
5D=
Sh
Sh—
Gdjsvc 7)0
Ucp da heekv`haec zdpb pbc phfnc hu gknnkz. phoc pbc k}cvhpdaj whnsc ha` occ} dp da pbc
phfnc! Zbca |cvk ucxscaec kwcvesvvcap }vkpcepdka du k}cvhpc`. pcvidahnu F8:)82. F63)67
ha` F6:)F62 ubksn` fc ekaacepc`! "Phoc TT ekaacepdka hu ha crhi}nc$
Ichusvc` S="W$ ≣83 ≣83 ≣83 ≣83
Ehnesnhpc 5S=" S=lu$ ≣83 ≣83 ≣83 ≣83
\cvk ucxscaec esvvcap
ucppdaj "H$=!6= =!3= 8!== 8!3=
K}cvhpdaj whnsc
K}cvhpdaj hvch
7!: Ebceo kg nkz wknphjc ud`c |cvk ucxscaec kwcvesvvcap }vkpcepdka"SW \U KE$
Ekaacep hu gdjsvc 7)3. pk dau}cep nkz wknphjc ud`c |cvk ucxscaec kwcvesvvcap
}vkpcepdka!
7!:!8 Nkz wknphjc ud`c |cvk ucxscaec kwcvesvvcap zdpb `cgdadpc)pdic `cnht
]sp nkz wknphjc ud`c |cvk ucxscaec kwcvesvvcap zdpb `cgdadpc)pdic `cnht }vkpcepdka da
vsaadaj. da}sp esvvcapu. Ucp da heekv`haec zdpb pbc phfnc hu gknnkz. phoc pbc k}cvhpdaj
whnsc ha` occ} dp da pbc phfnc!
Nkz)wknphjc |cvkucxscaec esvvcap "H$
3 8= 83 6=
@cgdadpc pdic
ndidp `cnht "u$8= 3 6 8
Nkz)wknphjc |cvk ucxscaec
esvvcap k}cvhpdaj whnsc "H$
@cgdadpc pdic ndidp
`cnht k}cvhpdaj whnsc "u$
05
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
7!:!6 Nkz wknphjc ud`c |cvk ucxscaec kwcvesvvcap zdpb dawcvuc)pdic `cnht
]sp nkz wknphjc ud`c |cvk ucxscaec kwcvesvvcap zdpb dawcvuc)pdic `cnht }vkpcepdka da
vsaadaj. da}sp esvvcapu. ebceoksp icpbk` vcgcvu pk dawcvuc pdic ndidp kwcvesvvcap
}vkpcepdka!
Gdjsvc 7)3
Zbca nkz wknphjc ud`c |cvk ucxscaec kwcvesvvcap }vkpcepdka du k}cvhpc`. pcvidahnu
F8:)82. F63)67 ha` F6:)F62 ubksn` fc ekaacepc`!
7!2 Ebceo kg wknphjc }vkpcepdka "Wknphjc ]vkpcep$
7!2!8 Ebceo kg Sa`cvwknphjc }vkpcepdka"$
Sa`cvwknphjc }vkpcepdka sucu pbc ihrdihn ndac wknphjc pk ls`jc. dp eha ebkkuc ]P
ghdnsvc pk fnkeo Sa`cvwknphjc }vkpcepdka! Ekaacep hu gdjsvc 7)7. }sp Sa`cvwknphjc
}vkpcepdka. ]P ghdnsvc hnhvi ha` ]P ghdnsvc fnkeo da vsaadaj!
D=N
D=N
]kzcv us}}nt
IP]V)78=Bf
@65"5.3$ H=8
@60"0.7$
H=6
Sh"Sf.Se$
Sh—"Sf—.Se—$
]kzcv us}}nt
IP]V)78=Bf
@8"5.3$
H=8
@6"0.7$
F=8
H=6
F=6
Fvchocv huuduphap
ekaphep
Gdjsvc 7)7
Ucp da heekv`haec zdpb pbc phfnc hu gknnkz. phoc pbc k}cvhpdaj wknphjc ha` occ} dp da
pbc phfnc! Zbca Sa`cvwknphjc }vkpcepdka du k}cvhpc`. pcvidahnu F8:)82. F63)67 ha`
F6:)F62 ubksn` fc ekaacepc`! Udisnhpc ]P ghdnsvc. Zbca ]P ghdnsvc bh}}cau.
Sa`cvwknphjc }vkpcepdka zdnn fc fnkeoc`!
00
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
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pbc phfnc! Zbca Kwcvwknphjc }vkpcepdka du k}cvhpc`. pcvidahnu F8:)82. F63)67 ha`
F6:)F62 ubksn` fc ekaacepc`!
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us}}nt"Phoc fdahvt da}sp ekaacepdaj zdpb @E66=W }kzcv hu ha crhi}nc$.hak`c ekaacepu
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F84)F6= ubksn` fc ekaacepc`!
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aka)cncepvde xshapdpt }vkpcepdka 8 hu ha crhi}nc!
03
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
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ekaacepc`!
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8 esvvcap "iH$3 8= 83 82
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ekaacepc`!
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sa`cv)gvcxscaet sankh`daj }vkpcepdka da vsaadaj〆]sp und} fnkeo da vsaadaj dg ichusvdaj und}
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und} fnkeo ksp kg vsaadaj. da kv`cv pk }vcwcap dagnscaec kg hepdka heesvhet!
07
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
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0:
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
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02
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
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6!Hu ubkza da pbc gdjsvc.]P uceka`hvt du ztc)ekaacepc`. zbca W)W zdvdaj du }vcucap. pcvidahnu @83.@6= hvcekaacepc` pk }bhuc H kg ]P uceka`hvt.pcvidahnu @87.@8: hvc ekaacepc` pk }bhuc F kg ]P uceka`hvt.pcvidahnu @82.@84hvc ekaacepc` pk }bhuc E kg ]P uceka`hvt!
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04
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
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vchnd|cu cncepvde pvd} }vcwcapdka! Ha hapd)pvd} vcnht zdnn fc ucncepc` `c}ca`daj ka pbc esvvcap
kg pbc pvd}+enkudaj edvesdp kg pbc edvesdp fvchocv! Bkzcwcv. pbdu bhu }kkv jcacvhndpt ha` eha
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3=
5/11/2018 Transformer Protection Relays and Monitoring Device - slidepdf.com
http://slidepdf.com/reader/full/transformer-protection-relays-and-monitoring-device
Sucv—u Ihashn gkv IP]V)78=Bf pvhaugkvicv }vkpcepdka ha` ikadpkvdaj `cwdec ZN@_OY)LT)666)6=8=
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k}cvhpdkau? \O du h ebhajckwcv uzdpeb. suc` gkv ebhajckwcv kg nkehn ha` vcikpc ekapvkn!
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ihashn k}cvhpdaj edvesdp du esp kgg. `duhfndaj ihashn enkudaj ha` ihashn pvd}! Ka pbc
ekapvhvt. zbca \O du hp pbc „Nkehn’ }kudpdka. pbc }kzcv kg pbc ihashn k}cvhpdaj edvesdp du
uzdpebc` ka ha` pbhp kg pbc vcikpc ekapvkn edvesdp du esp kgg!
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`cwdecu ihvoc` zdpb „hapd)pvd} edvesdp’ hvc `cudjac` ka pbdu k}cvhpdaj edvesdp!
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ekvvcu}ka`daj }vkpcepdka ksp}sp ekapvkn zkv`! La eha fc hat kac kv ikvc kg ]vkpcepdka
ksp}spu 8)2!
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hnzhtu ekaacepc` pk /OI! Hgpcv ihashn kv vcikpc ekapvknnc` enkudaj. dg h ubkvp)edvesdp ghsnp
keesvu. pbc }vkpcepdka zdnn k}cvhpc pk pvd} pbc edvesdp fvchocv! Pbksjb Pcvidahn H83 kg pbc
`cwdec du ekaacepc` pk /OI. pbc enkudaj edvesdp du `duekaacepc` ft PFL8 ha` zdnn akp fc enkuc`
hjhda! Da pbdu zht. edvesdp fvchocv lsi} du cggcepdwcnt }vcwcapc`!
38