A.A相接地短路 B.BC兩相短路 C.BC兩相接地短路 D.ABC三相短路
A.PQ節(jié)點(diǎn) B.PV節(jié)點(diǎn) C.平衡節(jié)點(diǎn) D.中間節(jié)點(diǎn)
A.牛頓法迭代次數(shù)少,計(jì)算時(shí)間短 B.牛頓法迭代次數(shù)多,計(jì)算時(shí)間長(zhǎng) C.牛頓法迭代次數(shù)少,計(jì)算時(shí)間長(zhǎng) D.牛頓法迭代次數(shù)多,計(jì)算時(shí)間短