自(zi)愈式(shi)(shi)并(bing)聯(lian)電(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)適用(yong)(yong)于(yu)標稱電(dian)(dian)(dian)壓1000V及以下工頻交流(liu)電(dian)(dian)(dian)力系(xi)統中，作提高功(gong)率(lv)因數(shu)，減少無功(gong)損耗，改善電(dian)(dian)(dian)壓質量之用(yong)(yong)。由于(yu)現代(dai)電(dian)(dian)(dian)力電(dian)(dian)(dian)子設備(bei)的(de)(de)大量使用(yong)(yong)，產生(sheng)的(de)(de)非線性(xing)(xing)電(dian)(dian)(dian)流(liu)以諧(xie)波(bo)(bo)(bo)(bo)方式(shi)(shi)影響電(dian)(dian)(dian)網(wang)并(bing)加重電(dian)(dian)(dian)網(wang)污染，并(bing)且電(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)在補償感(gan)性(xing)(xing)無功(gong)功(gong)率(lv)的(de)(de)時候，往往會受到(dao)諧(xie)波(bo)(bo)(bo)(bo)電(dian)(dian)(dian)流(liu)、合閘(zha)涌流(liu)及操作過(guo)電(dian)(dian)(dian)壓的(de)(de)影響，造(zao)成電(dian)(dian)(dian)容(rong)(rong)損壞(huai)和功(gong)率(lv)因數(shu)降低，為此需要在電(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)前端(duan)串聯(lian)必要的(de)(de)電(dian)(dian)(dian)抗(kang)器(qi)(qi)。濾波(bo)(bo)(bo)(bo)串聯(lian)電(dian)(dian)(dian)抗(kang)器(qi)(qi)用(yong)(yong)于(yu)抑制和吸收諧(xie)波(bo)(bo)(bo)(bo)、保護電(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)，避免(mian)諧(xie)波(bo)(bo)(bo)(bo)電(dian)(dian)(dian)壓、諧(xie)波(bo)(bo)(bo)(bo)電(dian)(dian)(dian)流(liu)及沖擊電(dian)(dian)(dian)壓電(dian)(dian)(dian)流(liu)的(de)(de)影響。可改善電(dian)(dian)(dian)能質量，提高系(xi)統功(gong)率(lv)因數(shu)，延長電(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)使用(yong)(yong)壽命。