EE501.65 1DEPARTMENTOFTECHNICALEDUCATIONANDHRA PRADESHName :
P.BhaskarDes!"a#$" : Le%#&rerBra"%h : E'e%#r%a' ( E'e%#r$"%s
E"!!.I"s##e : E.S.C. )$*#. P$'+#e%h"%, Na"-+a'.,.&r"$$'
Ds#./ear0Semes#er : F1#h Semes#erS&23e%# : E'e%#r%a'
I"s#a''a#$" a"- Es#ma#$".S&23e%# C$-e : EE4501T$5%:
De5ar#me"#a' Tes#, REC a"-E'e%#r%a' A%# 6007.D&ra#$" : 50
M#sS&2 T$5% : O*er hea- '"es, &"-er!r$&"- %a2'esA"-
!e"era#"! s#a#$"s. 8R&'e 96 #$ :7;Tea%h"! A-s :PPT6: MaAm&m
s#resses4Fa%#$rs $1 sa1e#+.=R&'e >>: C'eara"%e a2$*e
!r$&"- $1 #he '$Bes# %$"-&%#$r.=R&'e >9: C'eara"%e
2e#Bee" %$"-&%#$rs a"- Tr$''e+ Bres.RECAPI" #he 'as# Be ha*e
-s%&sse- CEE501.65 7=R&'e >:: %'eara"%e 1r$m 2&'-"!
$1 '$B a"- me-&m *$'#a!e '"es a"- ser*%e '"es.=R&'e 90:
C'eara"%e 1r$m 2&'-"! $1 h!h a"- eA#ra h!h *$'#a!e
'"es.=R&'e 91: C$"-&%#$rs a# -11ere"# *$'#a!es $" same
s&55$r#s.=R&'e 95: MaAm&m "#er*a's 2e#Bee"
s&55$r#s.8C$"#-..;EE501.65 ?OB@ECTIDES=O" %$m5'e#$" $1 #hs
5er$-, Be B$&'- 2e a2'e #$ k"$B:=R&'e 96: C$"-#$"s #$ a55'+
Bhere Te'e%$mm&"%a#$"s '"es a"- 5$Ber '"es are %arre- $" same
s&55$r#s.=R&'e 9>: L"es %r$ss"! $r a55r$a%h"! ea%h
$#her.=R&'e 99: )&ar-"!.EE501.65 5=R&'e :0:
Ear#h"!.=R&'e :1: Sa1e#+ a"- 5r$#e%#*e -e*%es.=R&'e :6:
Pr$#e%#$" a!a"s# L!h#""!.=R&'e :7: U"&se- O*erhea-
'"es.=R&'e 9:: Ser*%e '"es 1r$m $*erhea- '"es.EE501.65
6R&'e 96: C$"-#$"s #$ a55'+ Ehere Te'e%$mm&"%a#$"s '"es a"-
5$Ber '"es %arre- $" same s&55$r#s.=Ea%h $*erhea-
#e'e%$mm&"%a#$" '"e ere%#e- $" s&55$r#s %arr+"! a 5$Ber '"e
sha'' ha*e 2reak"! s#re"!#h "$# 'ess #ha" 6>0 .!.=E*er+
#e'e5h$"e '"e sh$&'- 2e !&ar-e- a!a"s#
'!h#""!.=Sa1e!&ar- #he #e'e%$mm&"%a#$" '"es a!a"s#
"-&%#$" 1r$m 5$Ber '"es. EE501.65 >R&'e 9>: L"es
%r$ss"! $r a55r$a%h"! ea%h $#her.=T$ ere%# #e'e%$mm&"%a#$" '"es
$" same s&55$r# $1 5$Ber '"es, a "$#%e sha'' !*e $"e m$"#h
2e1$re.=Ehere a" $*er4hea- '"e %r$sses a"$#her $*er4hea- '"e,
%'eara"%es sha'' 2e as sh$B" " Ta2'e.?.EE501.65 9M"m&m
%'eara"%es " me#ers 2e#Bee" '"es Bhe" %r$ss"! ea%h
$#her.Sl.NoNominal System Voltage11-66 KV110-132 KV220 KV400 KV800
KV1 Low & medium2.44 3.05 4.58 5.4 !.42 11-66 KV2.44 3.05 4.58
5.4 !.43 110-132 KV3.05 3.05 4.58 5.4 !.44 220 KV4.58 4.58 4.58 5.4
!.45 400 KV5.4 5.4 5.4 5.4 !.46 800 KV !.4 !.4 !.4 !.4
!.4Table.4EE501.65 :R&'e 99: )&ar-"!.=E*er+ !&ar- Bre
sha'' 2e %$""e%#e- B#h ear#h a# ea%h 5$"# a# Bh%h #s e'e%#r%a'
%$"#"+ s 2r$ke".=E*er+ !&ar- Bre sha'' ha*e a2reak"! s#re"!#h
$1 "$# 'ess #ha" 675 .!.=E*er+ !&ar- Bre sha'' ha*e
s&11%e"# %&rre"# %arr+"! %a5a%#+.EE501.65 10R&'e 9::
Ser*%e4L"e 1r$m $*erhea- '"es.=N$ ser*%e4'"e$r #a55"! sha'' 2e
#ake" $11 a" $*erhea- '"e eA%e5# a# a 5$"# $1 s&55$r#:=Pr$*-e-
#ha# #he "&m2er $1 #a55"! 5er %$"-&%#$r sha'' "$# 2e m$re
#ha" 1$&r " %ase $1 '$B a"- me-&m *$'#a!e
%$""e%#$"s.EE501.65 11R&'e :0: Ear#h"!.=A'' me#a' s&55$r#s
a"- a'' re"1$r%e- a"- 5res#resse- %eme"# %$"%re#e s&55$r#s a"-
me#a''% 1##"!s sha'' 2e 5erma"e"#'+ a"- e11%e"#'+ ear#he-.=The
s5a%"! 2e#Bee" a'' ear#h 5$"# sha'' 2e eF&a'.=Ea%h s#a+ Bre
sha'' 2e ear#he-.=I1 s#a+ Bre s 5r$*-e- B#h s#a+ "s&'a#$r a# a
he!h# $1 7.0 me#er, # -$es "$# reF&re a"+ ear#h"!.EE501.65
16R&'e :1: Sa1e#+ a"- 5r$#e%#*e -e*%es.=E*er+ $*er hea- '"e
ere%#e- $*er a"+ 5ar# $1 a s#ree# $r 5&2'% 5'a%e sha'' 2e
5r$#e%#e- B#h a -e*%e a55r$*e- 2+ #he "s5e%#$r.=The $B"er $1 h!h
a"- eA#ra h!h *$'#a!e '"e sha'' make a-eF&a#e arra"!eme"# #$
#he sa#s1a%#$" $1 #he "s5e%#$r #$ 5re*e"# &"ah$rGe- 5ers$"s #$
%'m2 #he s&55$r#s.EE501.65 17R&'e :6: Pr$#e%#$" a!a"s#
'!h#""!.=The $B"er $1 e*er+ $*erhea- '"e sha'' a-$5# e11%e"# mea"s
1$r -*er#"! #$ #he ear#h a"+ e'e%#r%a' s&r!es -&e #$
'!h#""!.=The ear#h"! 'ea- 1$r a"+ '!h#""! arres#er sha'' 5ass
-re%#'+ as 5$ss2'e 1r$m #he '!h#""! arres#er #$ a se5ara#e ear#h
e'e%#r$-e.EE501.65 1?R&'e :7: U"&se- $*erhea- '"es.=Ehere
a" $*erhea- '"e %eases #$ 2e &se- as a" e'e%#r% s&55'+ '"e,
#he $B"er sha'' ma"#a" # " a sa1e me%ha"%a' %$"-#$" $r sha'' rem$*e
#.=Ehere a"+ $*erhea- '"e %eases #$ 2e &se- as a" e'e%#r%
s&55'+ '"e, a" "s5e%#$r sha'' ser*e a "$#%e #$ $B"er #$ ma"#a"
me%ha"%a' %$"-#$" $r rem$*e # B#h " 11#ee" -a+s.EE501.65
15SUMMAR/=Ea%h $*erhea- #e'e%$mm&"%a#$" '"e ere%#e- $"
s&55$r#s %arr+"! a 5$Ber '"e sha'' ha*e 2reak"! s#re"!#h "$#
'ess #ha" 6>0 .!.=E*er+ !&ar- Bre sha'' 2e %$""e%#e- B#h
ear#h a# ea%h 5$"# a# Bh%h #s e'e%#r%a' %$"#"+ s 2r$ke".=N$
ser*%e4'"e$r #a55"! sha'' 2e #ake" $11 a" $*erhea- '"e eA%e5# a# a
5$"# $1 s&55$r#.=Ea%h s#a+ Bre sha'' 2e ear#he-.EE501.65
16HUIIEE501.65 1>1.The m"m&m %'eara"%e 2e#Bee" 11.D a"- 66.D
'"e Bhe" %r$ss"! ea%h $#her sA; 6.?? mB; 7.05 mC; ?.59 mD; >.:?
m EE501.65 196. E*er+ !&ar- Bre sha'' ha*e 2reak"! s#re"!#h "$#
'ess #ha"A; 600 .!B; 750 .!C; 575 .!D; 675 .!EE501.65 1:FREHUENTL/
AS.ED HUESTIONS=S#a#e I.E. R&'e 99, re!ar-"! )&ar-"!.=S#a#e
I.E. R&'e 9:, re!ar-"! ser*%e '"e 1r$m $*erhea- '"es.=S#a#e
I.E. R&'e :0, re!ar-"! Ear#h"! $1 me#a' s&55$r#s.=S#a#e
I.E. R&'e :6, re!ar-"! 5r$#e%#$" a!a"s# '!h#""!.EE501.65
60ASSI)NMENT=O2ser*e #he m"m&m %'eara"%es 2e#Bee" '"es Bhe"
%r$ss"! ea%h $#her " +$&r s#ree#0*''a!e.=O2ser*e Bhe#her #he
!&ar-"! s 5r$*-e- B#h ear#h"! $r "$# " +$&r #$B".=."$B #he
r&'es " 5r$#e%#$" $1 '"es 1r$m '!h#""!.EE501.65 61THAN. /OU
