A.相序一致 B.頻差在規(guī)定范圍內(nèi) C.壓差在規(guī)定范圍內(nèi) D.角差在規(guī)定范圍內(nèi)
A.PQ節(jié)點(diǎn) B.PV節(jié)點(diǎn) C.平衡節(jié)點(diǎn) D.電壓節(jié)點(diǎn)
A.并網(wǎng)點(diǎn)電壓90%.110% B.并網(wǎng)點(diǎn)電壓95%.105% C.系統(tǒng)頻率49.5.50.2Hz D.系統(tǒng)頻率49.5.50.5Hz