Gio trnh My đin

Trang 8
1.5 MCH T LC KHÔNG TI CA MY ĐIN MT CHIU

I. ĐA
̣
I CƯƠNG:
1. 













 : 






h

: 



0
: 






: 



.







 thông  

 . 




















 
0
. 



 











 
C






















 





, 


t
= 1,15  1,28

2. 











:






















 .



n
1i
ii
HFIwHdl 




:
h
G
h






i
: 

















n
1i
ii
HF 



c
+ 2H

 + 2H

h

+ H

l

+ H
G
l
G



:


: 









: 




G: gông
II. SƯ
́
C TƯ
̀
TRONG KHE HƠ
̉
KHÔNG KHI
́
: (F

)
* 







:


























F

= 2 H


H

:



0
: 











0
= 4

.10
-7
(H/m)


'.b
B
0




.




 (
p
D.
ö
2



).
D

: 





.
2p: 



.
2




: 







.
b
g
: 









.
n
g
: 













.
 :



10
10
1
1



r
b
t
K

t
1
=
Z
D.
ö

̀
N Ư
́
NG: (F

)
F

= 2 H

. h




=
craêngx
K..b
.t.B



1

b

: 





=
1
craêngx
x
K..b
.t




t
x
: 





cao x








= f(H








:
Cöö
ö
ö
K..hS
B
2
0





S

= h

.l.K
c
: 



.

b
r1
t
1
b

t
1
x

b

b

b

0,4

0,2

K



H

B
H
Gio trnh My đin


G

B
G
=
GG
t
G
G
l.h
.
S 2
0


















̣
C TƯ
̀
:
F
c
= 2 H
c
. h
c

ccc
t
C
C
c
K..b
.
S
B

0





 H
c
