.


:

:



,



( , )

:

































 

 

 

 
FAQ

⇐ 19202122232425262728 ⇒



 

1.

40

( = 40 [ ] ).

= 50 [ ]. Cos φ = 0,5, U = 220 [ ]. C .

 

2.

, : 1 = 5 [ ]; os φ 1= 0,5, 2 = 10 [ ]; Cos φ 2= 0,6. U = 220 [ ]. C .

 

3.

S = 10 [ ] = 5 [ ]. U = 220 [ ]. ( ) = 500 [ ] ( 12.1).

(S ) (s φ ) .

.

  R L
 
 

 

 


C

12.1 - (RL)

 

.

4.

( RL ) U = 220 [ ], f = 50 [ ]. I 1 = 10 [ ]; s φ 1 = 0,68 (φ = 46 0). RL ( 12.1). , RLC I 2 = 7,5 [], : s φ2 = 0,9 (φ = 24,5). , .

 

5.

( RL ) U = 220 [ ], f = 50 [ ]. I 1 = 10 [ ]; s φ 1 = 0,68 (φ = 46 0). RL ( 12.1). : s φ 2 = 1 (φ = 0 0). , , RLC .

 

 

6.

() L = 0,1

[ ] ( R L = 10 [ ]) R = 90 [ ]. C = 40 [ ] ( 12.2).

 

  R L L R
 
 

 

 


C

 

12.2 - (RL) .

 

 

RLC , . 220 [ ] f = 50 [ ].

 

7

U = 36 [ ] RL RC ( 12.3.), : R L= 8 [ ]; R C = 3 [ ]; X L = 2 [ ]; X C = 10 [ ]. , RLRC . RL RLRC .

.

  R1 L
 
 

 


R2 C

12.3 - RL R

 

.

 

8

. U = 220 [ ] RL RC ( 12.3), : R L = R C = 12 [ ]; | X L| = | X C | = 16 [ ]. , . RL RLRC .

 

9

f = 50 [ ] U = 36 [ ] RL RC ( 12.3), : R L= 8 [ ]; R C = 3 [ ]; X L = 2 [ ]. ( ). RLRC . RL RLRC .

 

10

RL , U = 220 [ ] ( 12.4) = 1,2 [ ]. I = 11 [ ]. , RL , RL s φ = 0,91

  R L
 
 

 

 


C

12.4 - (RL)

 

 

11

s φ = 0,5, U = 220 [ ], I = 60 [ ]. , s φ = 0,8. .

 

 

12

U = 220 [ ] 1 = 5,5 [ ] 2 = 2,92 [ ] I 1 = 38,8 [ ] I 2 = 22 [ ] . . , , s φ = 0,9. , .

 

⇐ 19202122232425262728 ⇒


:

: 2016-11-20; !; : 1740 |

:

:

, ,
==> ...

1550 - | 1471 -


© 2015-2024 lektsii.org - -

: 0.016 .