变压器中性点经小电阻接地在提高电力系统并列运行暂态稳定性方面的作用是(    )。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69458' and id < 4498296 and id<>'4498296' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69458' and id > 4498296 and id<>'4498296' order by id asc limit 5