一台并联在电网上运行的三相同步发电机,输出cosφ=0.5(滞后)的额定电流,现在要让它输出0.8(滞后)的额定电流,则可以( )
发布时间:2026-01-23
A.输入功率不变,增加励磁电流;
B.增加输入功率,励磁电流不变;
C.减少输入功率,增加励磁电流;
D.增加输入功率,减少励磁电流;
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