䳿 - 䳿 , . , , , , , - , , . ( ), .
(.1, ) , , -
) )
.1. : )) ) ).
䳿 ,
( ) 䳺 F:
F = B ּ I ּ L, (1)
B , I - , L - .
h F , :
= F (h ּ cosγ) = B ּ I ּ L ּ h ּ cosγ, (2)
γ- .
(.1,) I, , γ , . , (.1,) . α γ , γ = 0, :
= B ּ I ּ L ּ h. (3)
, , α. -, w. :
= w ּ B ּ I ּ L ּ h. (4)
w, L h:
= K1 ּ B ּ I, (5)
K1 - , , , .
, 璺
90 (.1,) I1 I2,
( 1() 2())
: 1() = K1 ∙ I1 ּ cosγ, (6)
2() = K2 ּ I2 ּ cos ( 90 +γ) = - K2 ּ I2 ּ sinγ. (7)
, , , :
|
|
K1 ּ I1 ּ cosγ = K2 ּ I2 ּ sinγ, (8)
γ1,2 :
γ1,2 = arctg (K1 ּ I1 / K2 ּ I2) = f(I1 / I2). (9)
.
( γ) I1 I2, U, ( 9), . . (8) I1 I2 , .1,, :
γ1,2 = arctg {K1 [U / (R1 + R)] / K2 [U / (R2 + Rt)]} =
= arctg [K1(R2 + Rt) / K2 (R1 + R)]. (10)