三相正弦电流分布 宫8 i(t)=I cos(wt) ig(t)=I cos(wt-2p /3) 0t= ic(t)=I cos(wt-4p/3) 2号 ot=0 wt =D wt =号 0t= 3 AZB XCYAZB XCY 2022-3-12 62022-3-12 6 三相正弦电流分布 iA (t) = Im cos(wt) iB (t) = Im cos(wt - 2p /3) iC (t) = Im cos(wt - 4p /3) A Z B X C Y A Z B X C Y t = 0 t = p 3 t = 2p 3 t = p t = 4 p 3