: , , .
, .
.
(. 11.1) , .
. 11.1
U R, U L U , XL . (. 11.2).
. 11.2 | . 11.3 |
I U R , U L 900 ( ). U XL R. , (.11.3), Z .
- , , , . U = U R + U L. , .
U = Z × I
;
Z = U I
R = Z × cos j
XL = Z × sin j
j = arctg (L R)
.
UR UL I. j, Z, XL U UL. .
(. 11.4), : U = 5 , f = 200 . 300 , ( ).
|
|
. 11.4
, . 11.1. , R, j, XL, Z.
11.1
.
U, B | UL, B | UC, B | I, | j, | R, | XL, | Z, | |
. |
j = arctg (UL R), Z = U I, XL = UL I, . 11.1 , .
(. 11.5) (. 11.6).
. 11.5 . 11.6
.
1. L = Im sin (Cut).
2. ?
3. , = ?
4. L = 0. Hz W.
5. L ?
11.4. 11.
1. 11, . .
2. 11.4. .
3. U = 5, f = 1 ., R, L, 11.4 .
4. (j), (Z), (R), (XL), (U).
5. II R, j, XC, Z 11.1 . .
6. (. 11.5) (. 9.6). .
7. , .
8. .
9. , , , .
12.