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污水處理廠供配電能效系統
2021-06-22 08:50:32
趙雨
507

  前言

  2021年政(zheng)府工(gong)作報告中提(ti)到(dao),要(yao)繼續打好藍天、碧(bi)水、凈土保衛戰,完成污(wu)染防治(zhi)攻堅戰階段性目標任務(wu)。繼續加(jia)大環境治(zhi)理力度,整治(zhi)入河入海排污(wu)口和城市黑臭水體,提(ti)高城鎮(zhen)生(sheng)活(huo)污(wu)水收集(ji)和園區工(gong)業廢水處(chu)置能(neng)力。大量的處(chu)污(wu)設備(bei)需要(yao)不間斷穩定運(yun)行,為(wei)了保證工(gong)藝設備(bei)的穩定運(yun)行,提(ti)高污(wu)水廠供配(pei)電的可(ke)靠性勢在必行。

  關鍵詞:污水廠、穩定運行、可靠、供配電

  水務配電結構

  污水(shui)廠(chang)設(she)備要(yao)求(qiu)供(gong)(gong)(gong)電(dian)(dian)(dian)(dian)可靠(kao)性,一(yi)般(ban)不允(yun)許停電(dian)(dian)(dian)(dian),中(zhong)(zhong)(zhong)斷供(gong)(gong)(gong)電(dian)(dian)(dian)(dian)將造成重大的經濟損失,因(yin)此污水(shui)廠(chang)供(gong)(gong)(gong)電(dian)(dian)(dian)(dian)負荷等*為(wei)二*,應采用兩(liang)路電(dian)(dian)(dian)(dian)源供(gong)(gong)(gong)電(dian)(dian)(dian)(dian),水(shui)廠(chang)中(zhong)(zhong)(zhong)的生產設(she)備對電(dian)(dian)(dian)(dian)能質量要(yao)求(qiu)高,因(yin)此對中(zhong)(zhong)(zhong)壓部分配(pei)置繼電(dian)(dian)(dian)(dian)保(bao)護保(bao)證可靠(kao)供(gong)(gong)(gong)電(dian)(dian)(dian)(dian),低壓安(an)裝電(dian)(dian)(dian)(dian)能質量監測、治理裝置,改變電(dian)(dian)(dian)(dian)能質量。

  保障供電可靠性

  對(dui)污(wu)水(shui)廠配(pei)電系(xi)統(tong)中35kV、10kV電壓等*配(pei)置繼電保護,實現遙測、遙信(xin)、遙控(kong)、遙調(diao)等功能,對(dui)異常情況及時預(yu)警。

  安科瑞AM6系列微機(ji)綜合保(bao)護裝(zhuang)置(zhi)具有較強的數(shu)據處理、邏(luo)輯運算和信息存儲能力,可為35kV及以下電(dian)(dian)壓(ya)(ya)等(deng)*的進線、饋(kui)線、變壓(ya)(ya)器(qi)、高(gao)壓(ya)(ya)電(dian)(dian)動(dong)機(ji)、高(gao)壓(ya)(ya)電(dian)(dian)容器(qi)等(deng)對象(xiang)提供過(guo)負荷、低電(dian)(dian)壓(ya)(ya)、過(guo)電(dian)(dian)壓(ya)(ya)、熱(re)過(guo)載、非電(dian)(dian)量、備用電(dian)(dian)源自動(dong)投(tou)入等(deng)保(bao)護功能。

  裝置具有完善(shan)的事故分析能力,包括(kuo)SOE事件記錄、故障錄波(bo)記錄等。方(fang)便根(gen)據現場(chang)變(bian)化調整保護設定值,使平臺可遠程監視和(he)控制配電回路運(yun)行狀態,提高(gao)配電和(he)用(yong)電可靠(kao)性。

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  提高電能質量

  污水廠諧(xie)波(bo)源負載比(bi)較(jiao)多,通(tong)過監測其配電系統的(de)諧(xie)波(bo)畸變、電壓波(bo)動、閃變和(he)容忍度指標分析其電能質(zhi)量,并配置對應的(de)電能質(zhi)量治(zhi)理(li)措(cuo)施(shi)進一步提高(gao)供電可靠性。

  安(an)科瑞(rui)APView500電能(neng)質(zhi)(zhi)量(liang)在線監(jian)測裝置遵循電能(neng)質(zhi)(zhi)量(liang)國(guo)家標準,實(shi)時監(jian)測電壓偏差(cha)(cha)、頻率偏差(cha)(cha)、三相電壓不(bu)平(ping)衡、電壓波(bo)(bo)動和閃變、諧波(bo)(bo)等(deng)電能(neng)質(zhi)(zhi)量(liang),記(ji)錄(lu)各類電能(neng)質(zhi)(zhi)量(liang)事(shi)件,記(ji)錄(lu)事(shi)件發(fa)生前后的(de)波(bo)(bo)形(xing),輔助(zhu)用戶分析(xi)電能(neng)質(zhi)(zhi)量(liang)發(fa)生的(de)原因,為后續的(de)電能(neng)質(zhi)(zhi)量(liang)治理方案(an)提供(gong)數據基礎。

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  通過有(you)源無功補償(SVG)快速平穩提高功率因數(shu),通過有(you)源濾波(APF)對大型(xing)工藝設(she)(she)備進行諧(xie)波治理,避(bi)免諧(xie)波影響電(dian)(dian)網和其它生(sheng)產設(she)(she)備。改變污水廠配電(dian)(dian)系統三相不平衡,減少中性(xing)線(xian)電(dian)(dian)流。

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  異常信號預警

  建(jian)設預(yu)警系(xi)統,對各個配電(dian)(dian)接點(dian)溫度過高、漏電(dian)(dian)電(dian)(dian)流超標、負荷越限等(deng)情(qing)況實時監(jian)測、預(yu)警分析(xi),并將(jiang)報警信息進行(xing)推(tui)送,避免小異常釀成大事故。

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  加強運維管理

  加強巡(xun)視維護工作,及(ji)時發現或減少設備(bei)隱患,提高(gao)供電(dian)(dian)(dian)可靠性。配(pei)置(zhi)重要設備(bei)包括變壓器、電(dian)(dian)(dian)氣柜(ju)、高(gao)壓電(dian)(dian)(dian)纜、空調(diao)主機(ji)、水泵、鼓風機(ji)等設備(bei)信(xin)息(xi),配(pei)置(zhi)二維碼(ma),快速在(zai)移(yi)動端獲取(qu)設備(bei)信(xin)息(xi)、設備(bei)維修歷史記錄以及(ji)解決問題(ti)的常用辦法。

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  結語

  污水廠(chang)(chang)的(de)穩定(ding)生產離不開供(gong)電(dian)可靠性(xing),裝設(she)微機保(bao)護裝置(zhi)和(he)電(dian)能質量(liang)在線監測、治理(li)裝置(zhi)可以減少因設(she)備(bei)原(yuan)因而造(zao)成的(de)停電(dian)次數,保(bao)障良好的(de)電(dian)能質量(liang),合理(li)提高(gao)污水廠(chang)(chang)穩定(ding)供(gong)配(pei)電(dian),保(bao)障污水廠(chang)(chang)的(de)正常運行。

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