摘(zhai) 要(yao)：在(zai)“碳(tan)達(da)峰"、“碳(tan)中和(he)"的(de)(de)(de)(de)雙(shuang)碳(tan)背景下，為了避免化石(shi)能(neng)源(yuan)的(de)(de)(de)(de)直接燃燒導致氣候變化，新(xin)能(neng)源(yuan)將作為新(xin)型(xing)電(dian)(dian)力(li)(li)系(xi)統供(gong)(gong)電(dian)(dian)的(de)(de)(de)(de)主(zhu)體。為了保(bao)證新(xin)型(xing)電(dian)(dian)力(li)(li)系(xi)統的(de)(de)(de)(de)可(ke)靠運(yun)行(xing)，配置(zhi)(zhi)(zhi)微機保(bao)護裝(zhuang)置(zhi)(zhi)(zhi)和(he)電(dian)(dian)能(neng)質量在(zai)線(xian)監測裝(zhuang)置(zhi)(zhi)(zhi)有效監測電(dian)(dian)力(li)(li)系(xi)統的(de)(de)(de)(de)運(yun)行(xing)狀況，并實(shi)時記錄電(dian)(dian)力(li)(li)系(xi)統出現(xian)(xian)故障的(de)(de)(de)(de)位置(zhi)(zhi)(zhi)及性質，從而為故障的(de)(de)(de)(de)快速(su)處理(li)提(ti)(ti)供(gong)(gong)有效的(de)(de)(de)(de)參(can)考信息。本文(wen)介紹的(de)(de)(de)(de)防孤島(dao)保(bao)護裝(zhuang)置(zhi)(zhi)(zhi)和(he)電(dian)(dian)能(neng)質量在(zai)線(xian)監測裝(zhuang)置(zhi)(zhi)(zhi)，可(ke)以針(zhen)對高碑店(dian)沼氣發電(dian)(dian)項目中不同的(de)(de)(de)(de)對象(xiang)提(ti)(ti)供(gong)(gong)相(xiang)應的(de)(de)(de)(de)保(bao)護，能(neng)大(da)大(da)提(ti)(ti)高變電(dian)(dian)站運(yun)行(xing)的(de)(de)(de)(de)可(ke)靠性、安全(quan)性和(he)供(gong)(gong)電(dian)(dian)質量，有利于實(shi)現(xian)(xian)變電(dian)(dian)站綜合(he)自動化，實(shi)現(xian)(xian)無人或少人值班。

　　1 項目概況

　　高碑店(dian)污(wu)(wu)水(shui)(shui)處(chu)(chu)理(li)廠位于北(bei)京市(shi)朝陽區(qu)高碑店(dian)鄉境內。是北(bei)京市(shi)較大的(de)污(wu)(wu)水(shui)(shui)處(chu)(chu)理(li)廠，也是我國(guo)第三大的(de)污(wu)(wu)水(shui)(shui)處(chu)(chu)理(li)廠。高碑店(dian)污(wu)(wu)水(shui)(shui)處(chu)(chu)理(li)廠一期工(gong)程于1993年(nian)10月(yue)24日竣工(gong)投產，處(chu)(chu)理(li)能(neng)力50萬(wan)立方(fang)米/d。二期工(gong)程于1999年(nian)年(nian)底竣工(gong)投產，處(chu)(chu)理(li)能(neng)力為(wei)100萬(wan)立方(fang)米/d。北(bei)京市(shi)每天產生污(wu)(wu)水(shui)(shui) 250 多萬(wan)噸，近(jin)一半(ban)的(de)污(wu)(wu)水(shui)(shui)在(zai)這里(li)進行處(chu)(chu)理(li)。高碑店(dian)污(wu)(wu)水(shui)(shui)處(chu)(chu)理(li)廠污(wu)(wu)水(shui)(shui)系統流域面積96平方(fang)公(gong)里(li)，服務人(ren)口240萬(wan)人(ren)，占地(di)68公(gong)頃，匯集北(bei)京市(shi)南部地(di)區(qu)的(de)大部分生活污(wu)(wu)水(shui)(shui)、東郊工(gong)業區(qu)和化(hua)工(gong)路的(de)全部污(wu)(wu)水(shui)(shui)。

　　本項(xiang)目位于北京(jing)市朝陽區(qu)高(gao)(gao)(gao)碑(bei)(bei)(bei)(bei)店(dian)鎮小郊(jiao)亭社區(qu)小郊(jiao)亭村1號高(gao)(gao)(gao)碑(bei)(bei)(bei)(bei)店(dian)污(wu)水(shui)(shui)(shui)處理(li)(li)廠(chang)內(nei)。高(gao)(gao)(gao)碑(bei)(bei)(bei)(bei)店(dian)污(wu)水(shui)(shui)(shui)處理(li)(li)廠(chang)內(nei)有3座總(zong)(zong)配(pei)電(dian)室(shi)，分別(bie)為高(gao)(gao)(gao)碑(bei)(bei)(bei)(bei)店(dian)污(wu)水(shui)(shui)(shui)總(zong)(zong)配(pei)電(dian)室(shi)、高(gao)(gao)(gao)碑(bei)(bei)(bei)(bei)店(dian)再(zai)生水(shui)(shui)(shui)廠(chang)總(zong)(zong)配(pei)電(dian)室(shi)、高(gao)(gao)(gao)碑(bei)(bei)(bei)(bei)店(dian)水(shui)(shui)(shui)廠(chang)總(zong)(zong)配(pei)電(dian)室(shi)。電(dian)纜進出線方式(shi)為下(xia)進線下(xia)出線。

　　2 產品需求

　　本沼氣(qi)發電(dian)(dian)系統接入用戶(hu)配電(dian)(dian)網(wang)會(hui)對當地電(dian)(dian)網(wang)的電(dian)(dian)能(neng)質量產(chan)生一定的影響，包括諧波(bo)、電(dian)(dian)壓(ya)(ya)偏差、電(dian)(dian)壓(ya)(ya)波(bo)動和電(dian)(dian)壓(ya)(ya)不平(ping)衡度等方面。同時(shi)本項目電(dian)(dian)站應具備快(kuai)(kuai)速(su)檢測(ce)孤(gu)島并斷(duan)開(kai)與電(dian)(dian)網(wang)連(lian)接的能(neng)力。且(qie)當10kV線路發生短(duan)路故(gu)障(zhang)時(shi)，線路保護應能(neng)快(kuai)(kuai)速(su)動作(zuo)，滿足故(gu)障(zhang)時(shi)快(kuai)(kuai)速(su)可靠切除故(gu)障(zhang)的要求。

　　該項目為沼氣(qi)發電(dian)(dian)(dian)，“自(zi)發自(zi)用、余電(dian)(dian)(dian)不上網"，故(gu)在進(jin)線(xian)(xian)柜(ju)(ju)配(pei)置(zhi)(zhi)(zhi)(zhi)AM5SE-IS防孤島保(bao)護裝置(zhi)(zhi)(zhi)(zhi)，實現(xian)(xian)逆功(gong)(gong)率保(bao)護、失壓(ya)保(bao)護功(gong)(gong)能(neng)，并(bing)(bing)與本段發電(dian)(dian)(dian)并(bing)(bing)網柜(ju)(ju)實現(xian)(xian)電(dian)(dian)(dian)氣(qi)聯鎖;配(pei)置(zhi)(zhi)(zhi)(zhi)APView500電(dian)(dian)(dian)能(neng)質(zhi)量(liang)在線(xian)(xian)監(jian)(jian)測(ce)(ce)裝置(zhi)(zhi)(zhi)(zhi)監(jian)(jian)測(ce)(ce)電(dian)(dian)(dian)網側電(dian)(dian)(dian)能(neng)質(zhi)量(liang)是否正常，如(ru)電(dian)(dian)(dian)壓(ya)閃變、電(dian)(dian)(dian)壓(ya)中斷、電(dian)(dian)(dian)壓(ya)暫降等(deng)。在并(bing)(bing)網柜(ju)(ju)配(pei)置(zhi)(zhi)(zhi)(zhi)AM5SE-F線(xian)(xian)路保(bao)護裝置(zhi)(zhi)(zhi)(zhi)，實現(xian)(xian)過流(liu)(liu)(liu)、零流(liu)(liu)(liu)等(deng)保(bao)護功(gong)(gong)能(neng)，并(bing)(bing)與本段進(jin)線(xian)(xian)及(ji)母聯柜(ju)(ju)實現(xian)(xian)電(dian)(dian)(dian)氣(qi)聯鎖。在發電(dian)(dian)(dian)機柜(ju)(ju)配(pei)置(zhi)(zhi)(zhi)(zhi)APView500PV電(dian)(dian)(dian)能(neng)質(zhi)量(liang)在線(xian)(xian)監(jian)(jian)測(ce)(ce)裝置(zhi)(zhi)(zhi)(zhi)監(jian)(jian)測(ce)(ce)發電(dian)(dian)(dian)側電(dian)(dian)(dian)能(neng)質(zhi)量(liang)情況(kuang)，如(ru)諧波、電(dian)(dian)(dian)壓(ya)偏差、頻率偏差等(deng)。當供電(dian)(dian)(dian)系(xi)統上產生逆功(gong)(gong)率、失壓(ya)、過流(liu)(liu)(liu)等(deng)故(gu)障及(ji)電(dian)(dian)(dian)能(neng)質(zhi)量(liang)異(yi)常現(xian)(xian)象時，保(bao)護裝置(zhi)(zhi)(zhi)(zhi)和電(dian)(dian)(dian)能(neng)質(zhi)量(liang)監(jian)(jian)測(ce)(ce)裝置(zhi)(zhi)(zhi)(zhi)都會及(ji)時反饋。

　　這幾款裝置主要通(tong)過以下功(gong)能(neng)實現對高壓柜的設備運行情況實時監視(shi)和保護(hu)：

　　3 產品方案

　　該(gai)沼氣發電項目共有3個總配(pei)電室，分(fen)別(bie)為(wei)再(zai)生水(shui)區總變一、再(zai)生水(shui)區總變二和(he)污水(shui)區總變二。共安裝(zhuang)4臺內燃發電機(ji)組，通(tong)過(guo)4個并網點，采用10kV電壓(ya)等級(ji)的單母(mu)線分(fen)段系統接入用戶(hu)內部(bu)系統。供電系統圖(tu)及配(pei)置如下：

　　圖1 再生水區總變一電氣總接線圖?

　　圖2 再生水區總變二電氣總接線圖?

　　圖3 污水區總變二電氣總接線圖?

　　3座(zuo)工程所設微機保護(hu)、電能質量(liang)在線監測裝置型號(hao)與(yu)數量(liang)如下：

　　4 現場安(an)裝圖片

　　本(ben)項目(mu)燃(ran)氣發電(dian)(dian)機組(zu)所(suo)需電(dian)(dian)能(neng)質量在線(xian)監測裝置組(zu)屏安裝，污水區總變二進(jin)線(xian)柜(ju)(ju)裝置組(zu)屏安裝，其余產品(pin)就地分(fen)散安裝在高壓開關柜(ju)(ju)上，現場(chang)安裝如(ru)下圖所(suo)示，該(gai)項目(mu)已于2023年送電(dian)(dian)使用，運行正(zheng)常。

　　圖4 裝置就地和組屏現場安裝圖片?

　　5 結語

　　隨著全球(qiu)工業化(hua)和城(cheng)市化(hua)的(de)(de)加(jia)快，人(ren)(ren)類生(sheng)活會(hui)產生(sheng)大量的(de)(de)溫室氣(qi)(qi)體排放，導致全球(qiu)氣(qi)(qi)溫不(bu)斷上升(sheng)。為了(le)應對(dui)(dui)氣(qi)(qi)候(hou)的(de)(de)變(bian)化(hua)，“碳達峰"、“碳中和"成為了(le)各國實現減排和應對(dui)(dui)氣(qi)(qi)候(hou)變(bian)化(hua)的(de)(de)主要目標(biao)和路(lu)徑。新能(neng)(neng)源作(zuo)為新型電(dian)力系(xi)統(tong)(tong)供(gong)電(dian)的(de)(de)主體，其系(xi)統(tong)(tong)的(de)(de)可靠(kao)運行(xing)是至(zhi)關(guan)重要的(de)(de)。微機保護裝(zhuang)(zhuang)(zhuang)置和電(dian)能(neng)(neng)質量在線監測(ce)裝(zhuang)(zhuang)(zhuang)置能(neng)(neng)有效(xiao)(xiao)監測(ce)電(dian)力系(xi)統(tong)(tong)的(de)(de)運行(xing)狀況(kuang)，并實時記(ji)錄電(dian)力系(xi)統(tong)(tong)出(chu)現故障的(de)(de)位置及性質，從而為故障的(de)(de)快速處理提(ti)供(gong)有效(xiao)(xiao)的(de)(de)參(can)考信息。本文介紹的(de)(de)微機保護裝(zhuang)(zhuang)(zhuang)置和電(dian)能(neng)(neng)質量在線監測(ce)裝(zhuang)(zhuang)(zhuang)置，可以(yi)針(zhen)對(dui)(dui)高碑店(dian)沼(zhao)氣(qi)(qi)發電(dian)項目中不(bu)同(tong)的(de)(de)對(dui)(dui)象(xiang)提(ti)供(gong)相應的(de)(de)保障，不(bu)但提(ti)高了(le)供(gong)電(dian)的(de)(de)可靠(kao)性，使整(zheng)個(ge)配電(dian)工程實現了(le)綜合(he)自(zi)動化(hua)，還有效(xiao)(xiao)地降(jiang)低了(le)工作(zuo)人(ren)(ren)員的(de)(de)勞動強(qiang)度(du)。

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