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单选题
交流同步发电机的逆功率保护装置设定延时的原因是()。
A
考虑到均压线在均衡无功功率时机组间会出现短时的环流
B
考虑到并车等情况下会出现允许范围内的短时逆功
C
没有它,无法完成并车
D
等待主开关跳闸
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更多 “单选题交流同步发电机的逆功率保护装置设定延时的原因是()。A 考虑到均压线在均衡无功功率时机组间会出现短时的环流B 考虑到并车等情况下会出现允许范围内的短时逆功C 没有它,无法完成并车D 等待主开关跳闸” 相关考题
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