遼(liao)寧帕金斯發電(dian)設備有限公(gong)司(si)
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電話(hua):024-81301600
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網址:yundakdex.cn
地址:沈陽市于(yu)洪區沈胡路63號中港(gang)創業(ye)大廈
由于各用(yong)(yong)(yong)戶(hu)(hu)用(yong)(yong)(yong)電需(xu)求(qiu)不(bu)同,很多(duo)用(yong)(yong)(yong)戶(hu)(hu)需(xu)要(yao)并網并聯運行以達到供(gong)電需求(qiu),那么柴(chai)油(you)發(fa)電機組并聯運行容量(liang)改如何計(ji)算呢?
1、發電(dian)機(ji)(ji)組容量(liang)與臺數(shu)應根據應急負荷(he)大(da)(da)小和投入順序以及(ji)單臺電(dian)動(dong)(dong)機(ji)(ji)較(jiao)大(da)(da)啟動(dong)(dong)容量(liang)等因素綜合確定(ding)。當應急負荷(he)較(jiao)大(da)(da)時,可(ke)采用(yong)多機(ji)(ji)并(bing)列(lie)運行,機(ji)(ji)組臺數(shu)宜(yi)為2^ 4臺。當受并(bing)列(lie)條件限制,可(ke)實施分(fen)區供電(dian)。當用(yong)電(dian)負荷(he)諧波較(jiao)大(da)(da)時,應考慮(lv)其對發電(dian)機(ji)(ji)組的影響(xiang)。
2、在(zai)方案(an)初步設(she)計階(jie)段(duan),柴油發電機容(rong)量(liang)可按配電變(bian)壓器總容(rong)量(liang)的10%~ 20%進行估(gu)算(suan)。在(zai)施工(gong)設(she)計階(jie)段(duan),可根據一級(ji)負荷、消防負荷以(yi)及某些重要二級(ji)負荷的容(rong)量(liang),按下列(lie)方法(fa)計算(suan)的較大容(rong)量(liang)確定(ding):
1)按穩定(ding)負荷(he)計算發電機組容量;
2)按較(jiao)大的單臺電動(dong)(dong)機(ji)或(huo)成組電動(dong)(dong)機(ji)啟(qi)動(dong)(dong)的需要,計算柴(chai)油發電機(ji)容量(liang);
3)按啟動電動機(ji)(ji)時(shi),發(fa)電機(ji)(ji)母線(xian)允許電壓降計算發(fa)電機(ji)(ji)組(zu)容量。
3、當有電(dian)(dian)(dian)梯負荷時(shi),在全(quan)電(dian)(dian)(dian)壓(ya)(ya)啟(qi)(qi)動較(jiao)大容量(liang)籠(long)型電(dian)(dian)(dian)動機(ji)(ji)情況下,發電(dian)(dian)(dian)機(ji)(ji)母(mu)線(xian)(xian)電(dian)(dian)(dian)壓(ya)(ya)不應(ying)低于額定電(dian)(dian)(dian)壓(ya)(ya)的(de)80%;當無電(dian)(dian)(dian)梯負荷時(shi),其(qi)母(mu)線(xian)(xian)電(dian)(dian)(dian)壓(ya)(ya)不應(ying)低于額定電(dian)(dian)(dian)壓(ya)(ya)的(de)75%。當條(tiao)件允許時(shi),電(dian)(dian)(dian)動機(ji)(ji)可采用(yong)(yong)自(zi)偶降壓(ya)(ya)啟(qi)(qi)動方式。并(bing)機(ji)(ji)可以分為(wei)自(zi)動并(bing)機(ji)(ji)和(he)手動并(bing)機(ji)(ji),通(tong)(tong)常情況下自(zi)動并(bing)機(ji)(ji)比(bi)較(jiao)精準(zhun)、易(yi)操(cao)作(zuo),手動并(bing)機(ji)(ji)不易(yi)操(cao)作(zuo)且比(bi)較(jiao)繁瑣,需要專業精通(tong)(tong)人員(yuan)操(cao)作(zuo),一(yi)般建議客戶使用(yong)(yong)自(zi)動并(bing)機(ji)(ji)。并(bing)機(ji)(ji)需要具備的(de)條(tiao)件為(wei)發動機(ji)(ji)調速方式必須為(wei)電(dian)(dian)(dian)子(zi)調速,電(dian)(dian)(dian)機(ji)(ji)必須為(wei)無刷電(dian)(dian)(dian)機(ji)(ji),頻率(lv)、相位、相角需一(yi)致。
以(yi)上是華昌公司為您介(jie)紹(shao)的柴油(you)發電機組并聯(lian)運行(xing)的容量計算方法,若您有疑問(wen)可隨時咨詢華昌公司,我們可為您提供設計、供應、調試、維修等(deng)一站式發電機(ji)組服務(wu)方案 。