繼(ji)電(dian)(dian)保(bao)(bao)護(hu)的(de)(de)(de)(de)基本任務：（1）當被保(bao)(bao)護(hu)的(de)(de)(de)(de)電(dian)(dian)力系(xi)統元(yuan)件(jian)(jian)發(fa)生故(gu)(gu)障(zhang)時，應(ying)該由(you)該元(yuan)件(jian)(jian)的(de)(de)(de)(de)繼(ji)電(dian)(dian)保(bao)(bao)護(hu)裝置(zhi)迅(xun)速準確(que)地給脫離故(gu)(gu)障(zhang)元(yuan)件(jian)(jian)＊近的(de)(de)(de)(de)斷路器發(fa)出跳閘(zha)命(ming)令，使(shi)故(gu)(gu)障(zhang)元(yuan)件(jian)(jian)及時從電(dian)(dian)力系(xi)統中斷開，以**限度地減少對電(dian)(dian)力系(xi)統元(yuan)件(jian)(jian)本身的(de)(de)(de)(de)損(sun)壞(huai)，降低(di)對電(dian)(dian)力系(xi)統安全供電(dian)(dian)的(de)(de)(de)(de)影響，并(bing)滿足電(dian)(dian)力系(xi)統的(de)(de)(de)(de)某些(xie)(xie)特定(ding)要求（如(ru)保(bao)(bao)持電(dian)(dian)力系(xi)統的(de)(de)(de)(de)暫態(tai)穩定(ding)性(xing)等）。（2）反應(ying)電(dian)(dian)氣(qi)(qi)設備的(de)(de)(de)(de)不(bu)正(zheng)常工作(zuo)(zuo)(zuo)情況(kuang)，并(bing)根據不(bu)正(zheng)常工作(zuo)(zuo)(zuo)情況(kuang)和設備運行維護(hu)條件(jian)(jian)的(de)(de)(de)(de)不(bu)同（例如(ru)有無經常值班人員）發(fa)出信(xin)號，以便值班人員進行處(chu)理(li)，或(huo)由(you)裝置(zhi)自動地進行調整，或(huo)將那些(xie)(xie)繼(ji)續運行會引(yin)起(qi)事(shi)故(gu)(gu)的(de)(de)(de)(de)電(dian)(dian)氣(qi)(qi)設備予(yu)以切除(chu)。反應(ying)不(bu)正(zheng)常工作(zuo)(zuo)(zuo)情況(kuang)的(de)(de)(de)(de)繼(ji)電(dian)(dian)保(bao)(bao)護(hu)裝置(zhi)允許帶一定(ding)的(de)(de)(de)(de)延時動作(zuo)(zuo)(zuo)。