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    21-Aug-2014
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. . . . . , . . , .

: : =W1/W2=U1/U2=I2/I1 , , , . . : u%=(U1k/U1N)100 : I2k=(I2N/uK%)100 : 1- / 3- / 1- 3- / (VA) (W) (VAr) Ps=UI P=UI Pb=UI Ps=1,73U P=1,73U Pb=1,73UPs = P Pb Ps =P / 2 2

P = Ps Pb P =Ps 2

2

Pb= Ps P Pb = Ps2

2

(/): : =W1/W2=U1/U2 U2=U1/, W1/W2=I2/I1= 2=1, =1-2 : I2/I1= W1/W2=, 1=2/ ..: : =lu (V) : F=BlI () ..: : %=[(Uo-UN)/UN]100% ..: P=UI (Watt) P=UI/1000 (kW) -: P=P-P =RTIT2+R2+R2 : =/=/(+) < 1 (!) ... ..: =n (V), = psw/ ..: : F=BlI () : U=E+RT : =(U-Ea)/RT ....: =n (V). : =U/RT ( , ). : =U/(RT+R)

: =Fr ( ) : =(PSW/2) =1 : n=(U-ITRT)/K ( ): P=Tan/9,55 (W) : P=UI (W) : P1-P=P : =P/P1=P/(P+P)