2011 IIEE Magazine 4th Quarter Issue

V (t)V (t)I (t)-V (t)V (t)I (t)

i i r i r i Icomp= (2)

Vr2(t)+Vi2(t)

[q (t)] = [-V (t) V (t)] [I (t) ] p10(t)

Vr(t)

10

i

Vi(t) r

Ir(t) i

(1)