300KW Cummins Generator Program Reverse Power Protection

Pamene valavu waukulu wa chopangira magetsi jenereta imatsekedwa pazifukwa zina, turbine imayenda popanda nthunzi.Panthawi imeneyi, jenereta imakhala galimoto yamagetsi yomwe imatembenuza turbine rotor.Kuthamanga kwambiri kwa tsamba la turbine kungayambitse kuwonongeka kwa mphepo, makamaka kumapeto kwa tsamba kungayambitse kutenthedwa, zomwe zimapangitsa kuwonongeka kwa tsamba la turbine rotor ngozi.(Itha kumveka ngati chitetezo cha tsamba la turbine)

Mphamvu yogwiritsira ntchito: Pop = Krel (P1 + P2)

P1: Kutayika kwakung'ono kwa turbine ya nthunzi m'malo osinthira mphamvu, nthawi zambiri 1% ~ 4% ya mphamvu zovoteledwa

P2: Kutayika kwakung'ono pamene jenereta imayenda mozungulira mphamvu, nthawi zambiri P2∞ (1-n) Pgn (n: mphamvu ya jenereta, Pgn: mphamvu ya jenereta)

Krel: Coefficient yodalirika, osiyanasiyana 0.5-0.8.

Nthawi zambiri (0.5% ~ 2%) jenereta oveteredwa mphamvu, malinga ndi chitetezo chipangizo kuyeza pamene valavu waukulu anatseka mphamvu mphamvu.

Pofuna kupewa jenereta kuti zisalumikizane modzidzimutsa chophwanyika chachikulu popanda kutseka mavavu onse akuluakulu pansi pa mphamvu inayake yogwira, jenereta ya turbo ikhoza kuchitika ngozi zothamanga kwambiri komanso zothamanga kwambiri.Kuti mupewe ngozi zotere, valavu yayikulu ya turbine iyenera kutsekedwa pambuyo pa mitundu ina yachitetezo (kutaya kwa chitetezo cha maginito, chitetezo chopanda masitepe, kudulidwa kwamadzi a jenereta, kulephera kwa chosinthira chozizira kwambiri, chitetezo cha injini yamoto, ndi zina).Amagwiritsidwa ntchito pazovuta zomwe sizili zazifupi.Pambuyo pa jenereta reverse mphamvu relay ikugwira ntchito, kukhudzana kothandizira kolumikizidwa ndi valavu yayikulu kutseka kudzapanga chitseko cha "ndi", ndipo pulogalamu yoteteza mphamvu yosinthira idzakhazikitsidwa pakapita nthawi yochepa, ndipo kuyimitsa konse kudzachitika pambuyo pa opareshoni.

Kulumikizana kothandizira kwa valve, tsegulani njira yotetezera pambuyo poti valavu itsekedwa, yambani ulendo wa pulogalamu ya unit pambuyo pochedwa pang'ono.

Mphamvu yochitapo kanthu: yofanana ndi mtengo wachitetezo chosinthira mphamvu.

Tulukani: kuchedwa kwa 1.0-1.5s, kuyimitsa konse.

Pofuna kupewa jenereta kuti zisalumikizane modzidzimutsa chophwanyika chachikulu popanda kutseka mavavu onse akuluakulu pansi pa mphamvu inayake yogwira, jenereta ya turbo ikhoza kuchitika ngozi zothamanga kwambiri komanso zothamanga kwambiri.Kuti mupewe ngozi zotere, valavu yayikulu ya turbine iyenera kutsekedwa pambuyo pa mitundu ina yachitetezo (kutaya kwa chitetezo cha maginito, chitetezo chopanda masitepe, kudulidwa kwamadzi a jenereta, kulephera kwa chosinthira chozizira kwambiri, chitetezo cha injini yamoto, ndi zina).Amagwiritsidwa ntchito pazovuta zomwe sizili zazifupi.Pambuyo pa jenereta reverse mphamvu relay ikugwira ntchito, kukhudzana kothandizira kolumikizidwa ndi valavu yayikulu kutseka kudzapanga chitseko cha "ndi", ndipo pulogalamu yoteteza mphamvu yosinthira idzakhazikitsidwa pakapita nthawi yochepa, ndipo kuyimitsa konse kudzachitika pambuyo pa opareshoni.

Kulumikizana kothandizira kwa valve, tsegulani njira yotetezera pambuyo poti valavu itsekedwa, yambani ulendo wa pulogalamu ya unit pambuyo pochedwa pang'ono.

Mphamvu yochitapo kanthu: yofanana ndi mtengo wachitetezo chosinthira mphamvu.

Tulukani: kuchedwa kwa 1.0-1.5s, kuyimitsa konse.

Chitetezo chamagetsi chobwerera kumbuyo (ulendo wamagetsi)

Kuteteza mphamvu yobwereranso ndi mtundu wa chitetezo cholumikizira ma jenereta, chomwe chimagwiritsidwa ntchito kuteteza jenereta ya turbine kuti isagwire ntchito mwachilendo mphamvu yogwira ikasinthidwa.

Mfundo yosavuta yodzitchinjiriza yamagetsi ndikumanga chigawo choyezera cha AC cha njira yolumikizira mphamvu molingana ndi mfundo yofananira, ndipo gawo lopanga voteji la AC limatenga njira yolumikizira kuchuluka ndi kusiyana, kuti mupeze magetsi ofananira awiri: sum voltage vector A1 ndi different voltage vector A2.Pamene jenereta ikugwira ntchito bwino, A2. Pamene valavu ya turbine ya nthunzi imatsekedwa mwadzidzidzi, mphamvu yogwira ntchito ya jenereta imatengedwa ndi dongosolo ndipo zochitazo zimakhala zazikulu kuposa kuchuluka kwa braking.Pamene A2> A1, relay kanthu, pambuyo kuchedwa, jenereta kudula.Chitetezo champhamvu chobwereranso chiliponso pazinthu zoyambira ulendo.

Dingbo ili ndi mitundu ingapo yamajenereta a dizilo: Volvo / Weichai/ Shangcai / Ricardo/Perkins ndi zina zotero, ngati mukufuna pls tithandizeni

DINGBO MPHAMVU

www.dbdieselgenerator.com

Gulu: +86 134 8102 4441

Tel.: +86 771 5805 269

Fax: +86 771 5805 259

Imelo: dingbo@dieselgeneratortech.com

Skype: +86 134 8102 4441

Onjezani.: No.2, Gaohua Road, Zhengxin Science and Technology Park, Nanning, Guangxi, China.