Maxaa Keena Kala Duwanaanshaha Awooda Firfircoon ee Set

Laga yaabaa.21, 2022

Isbeddelka awoodda firfircoon ee qalabka koronto-dhaliyaha ayaa saameyn weyn ku leh xasilloonida hawlgalka ee qalabka koronto-dhaliyaha.Xadka xasilloonida ee isbeddelka awoodda firfircoon ee koronto-dhaliyaha ee hawlgalka wejiga dambe waa mid aad u weyn.Marka koronto-dhaliyuhu uu ku jiro hawlgalka hogaaminta wejiga, gaar ahaan hawlgalka hogaaminta wejiga qoto dheer, waxa si weyn hoos u dhacaya heerka xasiloonida mishiinka, taas oo ay fududahay in ay keento in dab-dhaliyeku lumiyo xasiloonida iyo safarka, taas oo khatar weyn ku ah hawlgalka badbaadada leh ee unug iyo koronto.


Maqaalkani waxa uu falanqeynayaa sababaha isbedbeddelka awoodda koronto-dhaliyaha, waxana uu qaadayaa tallaabooyin ka hortag ah oo la beegsanayo si loo xaqiijiyo shaqada xasilloon ee qalabka koronto-dhaliyaha.


1. Saamaynta awoodda falcelinta ee awoodda firfircoon

 

Falanqaynta xiriirka ka dhexeeya awoodda firfircoon iyo awoodda falcelinta ee koronto dhaliya

 

Qalabka kicinta koronto-dhaliyaha ayaa la falanqeeyay iyada oo aan si toos ah loo hagaajin dhammaan habka koronto-dhaliyaha ra'iisul-dhaliyaha, iyo hawlwadeenku kaliya wuxuu hagaajiyaa koronto-dhaliyaha awoodda firfircoon, taas oo u dhiganta ilaalinta awoodda koronto-dhaliyaha E iyo falcelinta joogtada ah.Awoodda firfircoon iyo xagasha korontadu waa sinusoidal, awoodda falcelinta iyo xagasha korontaduna waa cosine.

  What Causes Active Power Variation In Generator Set

 

Qaaciddada, E0, U waa koronto dhaliye iyo korantada terminaalka;X1 waa falcelin isku mid ah oo koronto dhaliya;δ waa xagal koronto koronto-dhaliye ah.


Waxaa la arki karaa in kororka tamarta firfircooni ay kor u kacdo, inta badan awoodda falcelinta ayaa hoos u dhacda.Marka xagal quwad gaar ah la gaaro, koronto dhaliyahu waxa uu ka beddelaa hawlgalka wejiga dambe oo u gudbiya hawlgalka wejiga, isaga oo ka nuugaya awoodda fal-celineed ee nidaamka.Xagalka korantadu wuxuu kordhiyaa kororka qoto dheer ee wejiga, iyo qoto dheer ee wejiga hogaamintu waa, yaraanta hadda kacsan waa.Sidaa darteed, si looga fogaado horumarinta wejiga xad-dhaafka ah ee koronto-dhaliyaha, waxaa lagama maarmaan ah in la kordhiyo kicinta hadda jirta iyadoo la kordhinayo awoodda firfircoon ee koronto-dhaliyaha, si loo yareeyo qoto-dheeraanta hore iyo in la hubiyo kororka joogtada ah ee joogtada ah.


What Causes Active Power Variation In Generator Set


2.Saamaynta nidaamka soo noqnoqda cutubka, xakamaynta cadaadiska marxaladda iyo xakamaynta soo noqnoqda aasaasiga ah ee tamarta firfircoon

1) Cadaadiska heerka nidaaminta cutubku wuxuu ku yaal meel la mid ah isbeddelka awoodda firfircoon.Xilliga wareegga, cadaadiska heerka nidaaminta cutubku waa 20 daqiiqo ka hor isbeddelka awoodda firfircoon.

 

2) Inta jeer ee halbeeggu wuxuu ku jiraa marxaladda isbedbeddelka awoodda firfircoon, iyo isbeddelka soo noqnoqda cutubku waa 0.1s ka hor isbeddelka awoodda firfircoon ee wareegga wakhtiga

 

3) Isbeddelka awoodda firfircoon ee cutubka waxaa sababa ficilka xeerinta inta jeer ee aasaasiga ah.Mabda 'ahaan, xeerka soo noqnoqda aasaasiga ah wuxuu ku shaqeeyaa xawaaraha koronto-dhaliyaha.

 

Waxaa la falanqeyn karaa in isbeddelka xawaaraha bilawga koronto-dhaliyaha uu keeno ficilka xeerinta inta jeer ee aasaasiga ah.Natiijooyinka amar-ku-tallaaliyeed xeerbeegtida aasaasiga ah waxay ka tarjumaysaa isbeddelka cadaadiska heerka nidaaminta cutubka, ka dibna waxay ka muuqataa isbeddelka inta jeer ee cutubka iyo awoodda firfircoon.


3.Saamaynta inta jeer ee shabakadaha awoodda firfircoon

Waxaa laga arki karaa jaantuska waveform in baaxadda isbedbedelka soo noqnoqda ee korontadu uu aad uga yar yahay kan matooriyaha, iyo xilliga xilliyeedku uu yahay mid liita oo aan caadi ahayn.Sidaa darteed, saamaynta inta jeer ee shabagga ee isbeddelka awoodda firfircoon waa la tirtiri karaa.

 

Iyada oo loo marayo falanqaynta kor ku xusan, saameynta awoodda falcelinta, nidaamka xakamaynta kicinta, soo noqnoqda shabakada iyo arrimo kale oo ku saabsan isbeddelka awoodda firfircoon ayaa la tirtiri karaa.Waxaa lagu soo gabagabeeyay in isbeddelka awoodda firfircoon ee dab-dhaliye in warshadda ay sabab u tahay kororka xawaaraha go'an matoor, xeerka soo noqnoqda aasaasiga ah u dhaqmo, isla mar ahaantaana, sababtoo ah furitaanka waalka-xawaaraha sare nidaaminaya marawaxadaha uumi waa barta isbedbeddelka, qalooca sifo at qalooca. dhibic waa mid aad u deggan.Marka xeerka soo noqnoqoshada aasaasiga ahi uu shaqeeyo, amarka furitaanka ee uu helayo waalka nidaaminaya ee aaggan ayaa ku jira xaaladda soo dirida.


4.Kahortagga iyo ka hortagga

Qalabka koronto-dhaliyaha wuxuu ku yaalaa dhamaadka shabagga korantada, oo leh xariiqyo wareeg ah oo labanlaab ah oo dheer iyo bar taageero koronto oo muhiim ah.Iyadoo la eegayo hoos u dhaca isticmaalka tamarta warshadaha, awoodda falcelinta ee qulqulka korantada iyo nidaamka sare ee tamarta, si loo hubiyo tayada korantada, korantadu waxay u baahan doontaa cutubka inuu ku shaqeeyo marxaladda, iyo hawlgalka hal mashiinka ayaa xaddidan. awood uu ku nuugo awoodda falcelinta iyo hagaajinta tamarta nidaamka.Marka lagu daro isbeddelka awoodda firfircoon ee cutubka, tallaabooyinka ka hortagga ee soo socda ayaa la sameeyay:


(1) Xaaladda hawlgalka hadda waxay saameyn weyn ku leedahay xasilloonida cutubka.Nidaamka koronto ee weyn, waxqabadka nidaaminta ee qalab-dhaliye ayaa xaddidan.Sidaa darteed, waxaa loo baahan yahay in awoodda wejiga hogaaminta ee cutubku ay ahaato mid ku habboon marka korantada nidaamku aad u sarreeyo, iyo hawlgalka wejiga hogaaminta qoto dheer waa in laga fogaadaa inta suurtogalka ah.


(2) Sababtoo ah nidaamka aan tooska ahayn ee xawaaraha xakamaynta xawaaraha, waxaa jira barta is-rog-rogista oo ku saabsan 70% booska valve dhamaystiran.Halkaa marka ay marayso, haddii cabbirada kala duwan ee nidaamka xakamaynta isbeddelaan (oo ay ku jiraan ficilka habaynta soo noqnoqda ee aasaasiga ah), kala duwanaanshaha xakamaynta ayaa laga yaabaa in uu keeno meeshan, taas oo keeni karta isbeddel weyn oo ku yimaada furitaanka waalka xakamaynta oo u horseedda isbeddelka awood firfircoon.Marka la eego xaaladdan, cabbirka hadda jira waa in laga fogaado barta is-rog-rogista ee valve nidaaminta.

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