
分布式光伏電站電壓和無功調(diào)節(jié)困難

第1題
A.調(diào)節(jié)逆變器無功功率
B.調(diào)節(jié)無功補償設(shè)備投入量
C.調(diào)整光伏電站升壓變壓器的變比
D.調(diào)節(jié)光伏電站上送有功
第2題
A.光伏發(fā)電站并網(wǎng)點電壓跌至0時,光伏發(fā)電站應(yīng)能不脫網(wǎng)連續(xù)運行0.15s
B.光伏發(fā)電站并網(wǎng)點電壓跌至LVRT曲線以下時,光伏發(fā)電站可以從電網(wǎng)切出
C.光伏電站并網(wǎng)點電壓跌至20%標稱電壓時,光伏電站能夠保證不間斷并網(wǎng)運行1s
D.光伏電站并網(wǎng)點電壓恢復(fù)至90%標稱電壓時,光伏電站能夠保證不間斷并網(wǎng)運行3s
第6題
A.1min~5min
B.20s~5min
C.20s~1min
D.5min~10min
第9題
A.1
B.2
C.3
D.5