同步发电机在无穷大电网上运行，在下列哪种情况下静态稳定性能较好（      ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68476' and id < 4421260 and id<>'4421260' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68476' and id > 4421260 and id<>'4421260' order by id asc limit 5