配(pei)(pei)(pei)(pei)電(dian)(dian)(dian)(dian)(dian)網(wang)是從輸電(dian)(dian)(dian)(dian)(dian)網(wang)或(huo)地(di)區(qu)發(fa)電(dian)(dian)(dian)(dian)(dian)廠接受電(dian)(dian)(dian)(dian)(dian)能(neng)，通過配(pei)(pei)(pei)(pei)電(dian)(dian)(dian)(dian)(dian)設施(shi)(shi)就地(di)分(fen)配(pei)(pei)(pei)(pei)或(huo)按電(dian)(dian)(dian)(dian)(dian)壓逐級分(fen)配(pei)(pei)(pei)(pei)給各類用(yong)戶的電(dian)(dian)(dian)(dian)(dian)力網(wang)，是由架空線路、電(dian)(dian)(dian)(dian)(dian)纜(lan)、桿塔、配(pei)(pei)(pei)(pei)電(dian)(dian)(dian)(dian)(dian)變壓器、隔離開關、無功補(bu)償電(dian)(dian)(dian)(dian)(dian)容、計量裝置以及(ji)一些(xie)附屬(shu)設施(shi)(shi)組成的一般采用(yong)閉環設計，并環運行，其結(jie)構(gou)(gou)成輻射狀，分(fen)布(bu)式電(dian)(dian)(dian)(dian)(dian)源接入配(pei)(pei)(pei)(pei)電(dian)(dian)(dian)(dian)(dian)網(wang)使配(pei)(pei)(pei)(pei)電(dian)(dian)(dian)(dian)(dian)系統中(zhong)發(fa)電(dian)(dian)(dian)(dian)(dian)與用(yong)電(dian)(dian)(dian)(dian)(dian)并存，配(pei)(pei)(pei)(pei)電(dian)(dian)(dian)(dian)(dian)網(wang)結(jie)構(gou)(gou)從放射狀結(jie)構(gou)(gou)變為多電(dian)(dian)(dian)(dian)(dian)源結(jie)構(gou)(gou)，短路電(dian)(dian)(dian)(dian)(dian)流大小(xiao)、流向以及(ji)分(fen)布(bu)特性均發(fa)生(sheng)改(gai)變。