【单选题】
当变压器二次绕组开路,一次绕组施加额定频率的额定电压时,一次绕组中所流过的电流称___。
A. 励磁电流
B. 整定电流
C. 短路电流
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答案
C
解析
暂无解析
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【单选题】
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A. 0.002
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【单选题】
电网按其在电力系统中的作用不同,分为输电网和配电网,配电网是以高压甚至超高电压将发电厂变电所或变电所之间连接起来的送电网络,所以又称为电力网中的主网架。___
A. 对
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【单选题】
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