When line charging power,all differential current setting values increase double with some time delay it can avoid the influence of transient capacitance current on all differential protection.

 
  • 在線(xiàn)路空充時(shí),將各差動(dòng)保護的定值提高兩倍同時(shí)增加一定的時(shí)延,可靠躲過(guò)暫態(tài)電容電流對各差動(dòng)保護的影響。
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