单选题常规电站应急处理措施中，（）的处理方法是：主开关仍系失压保护跳闸。故障现象是伴随着转速下降而跳闸停机。检查系统燃油供给系统，确信系统无故障后起动备用发电机组投入电网运行，然后检修故障机组的故障设备。A运行机组因发电机短路或失压保护跳闸电网失电B运行机组主开关误动作跳闸或因船舶电网选择性保护不良而跳闸电网失电C燃油供给故障（如调速器失灵、断燃油等）导至主开关跳闸电网失电D运行机组因机械故障跳闸电网失电
单选题
常规电站应急处理措施中，（）的处理方法是：主开关仍系失压保护跳闸。故障现象是伴随着转速下降而跳闸停机。检查系统燃油供给系统，确信系统无故障后起动备用发电机组投入电网运行，然后检修故障机组的故障设备。
A
运行机组因发电机短路或失压保护跳闸电网失电
B
运行机组主开关误动作跳闸或因船舶电网选择性保护不良而跳闸电网失电
C
燃油供给故障（如调速器失灵、断燃油等）导至主开关跳闸电网失电
D
运行机组因机械故障跳闸电网失电
参考解析
解析：
暂无解析
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