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Ch.7 Induction Motors 1 -...

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건국대 전력전자연구실 Ch.7 Induction Motors 1 교류여자기기 - 유도기의 개요(복습) ; 동기기와의 비교 - Arago의 원반 및 유도전동기 - 유도전동기의 회전원리 및 슬립 - 유도전동기의 주파수관계식 - 유도전동기와 변압기의 연관성
Transcript
Microsoft PowerPoint - 11__ .ppt [ ]
- () ; - Arago - - -

- ; - ;
- ; , , - ;
- ; , , - ; (BLDC ),
→ ; , , ()
, ,
<(induction machine)>
) (induction generator) -

<>
(cage rotor) - -
< >
-

< >




me Pqq 2
=\P → = X
-
ee f 2pw = mm f 2pw = : :
me fPf 2
-
→nPfe 2 =
120602 PNNPfe ==
[RPM]
< 1> :
- -
< 2> :
- ,
< 3>
-
-





< > <>
- : - :
- : flux-cutting action - :
→ →






1820 Arago
- ,

- :



< 1>
→ , ,
< >
→ cutting .( )


< 1>
→ , ,
< >
→ cutting .( )

< 1>
→ , ,
→ cutting .( )
cutting
cutting
cutting
, cutting
, (slip)
( ) = –
<7> 7.1 - Arago 4(1)

- () :
- :
SN
mN
slipN
N 120 =
∴ (slip) %100´ -
()



< >
→ ( )

< 4> .
→ cutting
< >
- flux-cutting
< 5> .
→ cutting
< = > < >
↑ (shorting ring)
(shorting ring)
< > < >
<> - <> -
< > < >
<> - <> -

2) ,
3) ,
4)
<> <>

<> <>
1)
2) 2
3) 2 1

:
:

<> <>
mSslip www -=
)
)

<> <>
1w 2w
1)
mSslip www -=
2) SmS swww =-
12 ) 2
<> <>
12 ) 2
<> 1 s
<> 1 =60Hz, s=10% 2 =60X0.1= 6 Hz

+-
p2
.

<> <>
1w 2w


<2 ><1 >

< > ) )
< > ) ) 2 ) 2 ) 1 2
<> <>

2.
- Arago - - ; , -

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