( ) .
. , .
- , .
. , , , .
( ) ( , ). . . . , ( ).
- , - (. 1).
Ua ≈ (100...300) ; U ≈ 0. . . 2 I = f(Ua) | UH = const. .
. 1 . 2
:
S: :
| UH = const:/;
Ri: :
| UH = const,.
: max U max
3 : , , (. 3).
. 3
- , U = - (1...100) . . U Ia; ..
. 4 I = f(Ua) U = const - I = f(Uc) Ua = const .
. 4
:
S: :
| UH = const:/; S ≈ (2...30)m/;
R, I
| UH = const,; R1 ≈ (150) ;
: , I , , ..
| Ia = const; ≈(5... 2000).
= S*R1
: , max, Ua max, I max
, .
|
|
C ; ; -
C ≈ (1...15).
K.
, . .
- , : , , (. 5).
. 5
(2) C1 . C1 ~ (0,01..0,07) , 2 U2 ~ (0,7...0,9) UA.
. 6 (IA = f(UA) UC1, UC2 = const - (IA = f (UC1) U,UC2= const .
-
. 6
IC2 UA. , ( I IC2 ). :
S, I
| UA, UC2 = const, / ; S ≈ (2...30) /;
Ri; IA
| UC1, UC2 = const, ; Ri ~ ; ;
:
.
- , .
. , , , . .
- , : , , (1), (2) () (. 7).
; 3 . . 8 (, ) (IA = f (U) UC1, UC2, UC3 = const) - (IA = f (UC1) UA, UC2, UC3 = const) ,
:
S, 1
| UA, UC2, UC3 = const, / ; S ≈ (5...30) /;
Ri IA
| U1, UC2, UC3 = const, ; R, ≈ (50...2000) ;
, :
. ~ ...
: , , . .
-
. 7 | . 8 () |
. 8 ()