变压器的等值对地电容增大，则切除空载变压器产生的过电压(    )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69523' and id < 4504187 and id<>'4504187' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69523' and id > 4504187 and id<>'4504187' order by id asc limit 5