一台并网运行的同步发电机，若功率因数是超前的，则该发电机此时运行于（   ）状态。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69444' and id < 4497163 and id<>'4497163' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69444' and id > 4497163 and id<>'4497163' order by id asc limit 5