巳知10/0.4kV变压器为S9型800KVAYyn12接线,高压侧额定电流为46. 2A,低 过电流保护装置动作时限为( )。A. Os; B....

作者: tihaiku 人气: - 评论: 0
问题 巳知10/0.4kV变压器为S9型800KVAYyn12接线,高压侧额定电流为46. 2A,低 过电流保护装置动作时限为( )。
选项 A. Os; B. 0.5s; C. 1. Os; D. 1. 5s。
答案 B
解析

相关内容:巳知,变压器,800KVAYyn12,接线,高压,电流,动作,时限

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