磁路彼此相关的三相组式变压器如采用Yy联结会使相电动势畸变成为尖顶波,可能危及绕组绝缘安全,故不允许采用Yy联结。( )
发布时间:2025-12-14
A.正确
B.错误
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69442' and id < 4497146 and id<>'4497146' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69442' and id > 4497146 and id<>'4497146' order by id asc limit 5
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