簡述何為逆功率及逆功率保護
作者:發電機專家 來源：鼎新柴油發電機組 發布時間：2026-03-24 20:39:25
東(dong)莞(guan)發(fa)電(dian)機(ji)的(de)功(gong)率(lv)方(fang)向(xiang)應(ying)該(gai)由(you)發(fa)電(dian)機(ji)方(fang)向(xiang)流(liu)向(xiang)係(xi)統(tong)方(fang)向(xiang)。但(dan)由(you)於(yu)某(mou)種(zhong)原(yuan)因(yin)，當(dang)汽(qi)輪(lun)機(ji)失(shi)去(qu)原(yuan)動(dong)力(li)，而(er)發(fa)電(dian)機(ji)出(chu)口(kou)開(kai)關(guan)又(you)未(wei)能(neng)跳(tiao)閘(zha)，則(ze)功(gong)率(lv)方(fang)向(xiang)變(bian)為(wei)由(you)係(xi)統(tong)流(liu)向(xiang)發(fa)電(dian)機(ji)，即(ji)發(fa)電(dian)機(ji)變(bian)為(wei)電(dian)動(dong)機(ji)在(zai)運(yun)行(xing)。此(ci)時(shi)發(fa)電(dian)機(ji)從(cong)係(xi)統(tong)中(zhong)吸(xi)取(qu)有(you)功(gong)功(gong)率(lv)，此(ci)即(ji)為(wei)逆(ni)功(gong)率(lv)。逆(ni)功(gong)率(lv)的(de)危(wei)害(hai)發(fa)電(dian)機(ji)逆(ni)功(gong)率(lv)保(bao)護(hu)是(shi)汽(qi)輪(lun)機(ji)由(you)於(yu)某(mou)種(zhong)原(yuan)因(yin)導(dao)致(zhi)主(zhu)汽(qi)門(men)關(guan)閉(bi)而(er)失(shi)去(qu)原(yuan)動(dong)力(li)時(shi)，發(fa)電(dian)機(ji)變(bian)為(wei)電(dian)動(dong)機(ji)帶(dai)動(dong)汽(qi)輪(lun)機(ji)旋(xuan)轉(zhuan)，汽(qi)輪(lun)機(ji)葉(ye)片(pian)在(zai)無(wu)蒸(zheng)汽(qi)情(qing)況(kuang)下(xia)高(gao)速(su)旋(xuan)轉(zhuan)會(hui)引(yin)起(qi)鼓(gu)風(feng)摩(mo)擦(ca)，特(te)別(bie)是(shi)在(zai)末(mo)級(ji)葉(ye)片(pian)可(ke)能(neng)會(hui)引(yin)起(qi)過(guo)熱(re)，導(dao)致(zhi)轉(zhuan)子(zi)葉(ye)片(pian)的(de)損(sun)壞(huai)事(shi)故(gu)。所(suo)以(yi)說(shuo)逆(ni)功(gong)率(lv)保(bao)護(hu)實(shi)則(ze)是(shi)對(dui)汽(qi)輪(lun)機(ji)無(wu)蒸(zheng)汽(qi)運(yun)行(xing)的(de)保(bao)護(hu)。
逆(ni)功(gong)率(lv)保(bao)護(hu)與(yu)程(cheng)序(xu)逆(ni)功(gong)率(lv)保(bao)護(hu)的(de)區(qu)別(bie)逆(ni)功(gong)率(lv)保(bao)護(hu)是(shi)為(wei)了(le)防(fang)止(zhi)逆(ni)功(gong)率(lv)後(hou)，東(dong)莞(guan)發(fa)電(dian)機(ji)變(bian)為(wei)電(dian)動(dong)機(ji)，帶(dai)動(dong)汽(qi)輪(lun)機(ji)旋(xuan)轉(zhuan)，造(zao)成(cheng)汽(qi)輪(lun)機(ji)的(de)損(sun)壞(huai)。歸(gui)根(gen)到(dao)底(di)，是(shi)怕(pa)原(yuan)動(dong)機(ji)動(dong)力(li)不(bu)足(zu)，反(fan)被(bei)係(xi)統(tong)帶(dai)著(zhe)跑(pao)!程cheng序xu逆ni功gong率lv保bao護hu是shi為wei了le防fang止zhi發fa電dian機ji組zu突tu然ran解jie列lie後hou，主zhu汽qi門men未wei完wan全quan關guan閉bi，導dao致zhi汽qi輪lun機ji超chao速su，從cong而er利li用yong逆ni功gong率lv來lai規gui避bi。歸gui根gen到dao底di，是shi怕pa原yuan動dong機ji動dong力li太tai足zu導dao致zhi機ji組zu超chao速su!所suo以yi說shuo嚴yan格ge意yi義yi上shang來lai說shuo，逆ni功gong率lv保bao護hu是shi發fa電dian機ji繼ji電dian保bao護hu的de一yi種zhong，但dan主zhu要yao是shi保bao護hu汽qi輪lun機ji。而er程cheng序xu逆ni功gong率lv保bao護hu不bu是shi一yi種zhong保bao護hu而er是shi為wei了le實shi現xian程cheng序xu跳tiao閘zha而er設she置zhi的de動dong作zuo過guo程cheng，也ye叫jiao程cheng序xu跳tiao閘zha，一yi般ban應ying用yong於yu停ting機ji方fang式shi。最zui關guan鍵jian的de是shi逆ni功gong率lv隻zhi要yao定ding值zhi達da到dao就jiu會hui跳tiao閘zha，而er程cheng序xu逆ni功gong率lv除chu了le定ding值zhi達da到dao，還hai要yao求qiu汽qi機ji主zhu汽qi門men關guan閉bi，所suo以yi說shuo在zai機ji組zu啟qi動dong過guo程cheng中zhong並bing網wang瞬shun間jian，一yi定ding要yao避bi免mian逆ni功gong率lv動dong作zuo。
東dong莞guan發fa電dian機ji的de程cheng序xu逆ni功gong率lv保bao護hu發fa電dian機ji程cheng序xu逆ni功gong率lv保bao護hu主zhu要yao是shi防fang止zhi發fa電dian機ji在zai帶dai有you一yi定ding負fu荷he的de情qing況kuang下xia，突tu然ran跳tiao開kai發fa電dian機ji出chu口kou開kai關guan而er汽qi輪lun機ji主zhu汽qi門men又you未wei能neng全quan部bu關guan閉bi的de情qing況kuang。在zai此ci情qing況kuang下xia，汽qi輪lun發fa電dian機ji組zu極ji易yi發fa生sheng超chao速su，甚shen至zhi飛fei車che。為wei避bi免mian此ci種zhong情qing況kuang，對dui於yu非fei短duan路lu故gu障zhang的de某mou些xie保bao護hu，動dong作zuo信xin號hao發fa出chu後hou，先xian作zuo用yong於yu關guan閉bi汽qi輪lun機ji主zhu汽qi門men，待dai發fa電dian機ji逆ni功gong率lv繼ji電dian器qi動dong作zuo後hou，與yu主zhu汽qi門men關guan閉bi的de信xin號hao組zu成cheng與yu門men，經jing一yi短duan時shi限xian組zu成cheng程cheng序xu逆ni功gong率lv保bao護hu，動dong作zuo作zuo用yong於yu全quan停ting。
