Yintoni umahluko phakathi kwe-kW kunye ne-kVa?
Umahluko ophambili phakathi kwe-kW (kilowatt) kunye ne-kVA (kilovolt-ampere) yinto yamandla.I-kW yiyunithi yamandla okwenene kwaye i-kVA yiyunithi yamandla abonakalayo (okanye amandla okwenene kunye namandla asebenzayo kwakhona).Umbane wamandla, ngaphandle kokuba uchazwe kwaye uyaziwa, ngoko ke ixabiso eliqikelelweyo (ngokuqhelekileyo i-0.8), kwaye ixabiso le-kVA liya kuhlala liphezulu kunexabiso le-kW.
Ngokunxulumene neejenereyitha zemizi-mveliso kunye nezorhwebo, i-kW isetyenziswa kakhulu xa kubhekiswa kwiijenereyitha zase-United States, nakwamanye amazwe ambalwa asebenzisa i-60 Hz, ngelixa uninzi lwehlabathi liphela ngokuqhelekileyo lisebenzisa i-kVa njengexabiso lokuqala xa ireferensi. iiseti zejeneretha.
Ukwandisa kuyo kancinane ngakumbi, umlinganiselo we-kW ngokusisiseko sisiphumo samandla esiphuma kwijenereyitha enokubonelelwa ngawo ngokusekelwe kumandla eenjini.I-kW iqikelelwa ngokukaleka kwamandla eenjini .746.Umzekelo ukuba une-injini ye-500 yamandla eenjini ine-kW yokukala kwe-373. I-kilovolt-amperes (kVa) yi-generator end capacity.Iiseti zejenereyitha zidla ngokuboniswa ngazo zombini iireyithingi.Ukumisela umlinganiselo we-kW kunye ne-kVa le fomyula ingezantsi iyasetyenziswa.
0.8 (pf) x 625 (kVa) = 500 kW
Yintoni umba wamandla?
Umba wamandla (pf) ngokuqhelekileyo uchazwa njengomlinganiselo ophakathi kwekilowatts (kW) kunye ne-kilovolt amps (kVa) etsalwa kumthwalo wombane, njengoko bekuxoxiwe kumbuzo ongentla ngokweenkcukacha ezithe vetshe.Ichongwa ngumthwalo odibeneyo wee-generator.I-pf kwi-nameplate yejenereyitha inxulumanisa i-kVa nomlinganiselo we-kW (jonga ifomula engentla).Iijenereyitha ezineemeko eziphezulu zamandla zigqithisela ngokufanelekileyo amandla kumthwalo oqhagamshelweyo, ngelixa iijenereyitha ezinomlinganiselo ophantsi wamandla zingasebenzi kakuhle kwaye zikhokelela ekunyukeni kweendleko zamandla.Umgangatho wamandla wenqanaba lejenereyitha yesigaba esithathu ngu.8.
Yintoni umahluko phakathi kokulinda, okuqhubekayo, kunye nokulinganisa amandla aphambili?
Iijenereyitha zamandla ezilindileyo zidla ngokusetyenziswa kwiimeko zonxunguphalo, njengaxa kumke umbane.Ilungele usetyenziso olunomnye umthombo othembekileyo wamandla oqhubekayo njengamandla asetyenziswayo.Kucetyiswa ukuba kusetyenziswe ixesha elininzi kuphela ngexesha lokumka kombane kunye novavanyo oluqhelekileyo kunye nokugcinwa.
Iireyithingi zamandla aphambili zinokuchazwa “njengexesha lokuqhuba elingenamda”, okanye ngokusisiseko ijenereyitha eya kusetyenziswa njengomthombo wamandla ophambili kwaye ingekuko nje ukulinda okanye ukuxhasa amandla.Ijenereyitha yamandla aphambili anokubonelela ngombane kwimeko apho kungekho mthombo usetyenziswayo, njengoko kudla ngokuba njalo kwizicelo zemizi-mveliso ezifana nemigodi okanye i-oyile kunye nokusebenza kwegesi ebekwe kwiindawo ezikude apho igridi ingafikeleleki.
Amandla aqhubekayo ayafana namandla amakhulu kodwa anomlinganiselo womthwalo wesiseko.Inokubonelela ngamandla ngokuqhubekayo kumthwalo oqhubekayo, kodwa ayinakho ukukwazi ukuphatha iimeko zokugqithiswa okanye ukusebenza kunye nemithwalo eguquguqukayo.Umahluko ophambili phakathi komlinganiselo ophambili kunye noqhubekayo kukuba ii-prime power gensets zisetelwe ukuba zibe namandla aphezulu akhoyo kumthwalo oguquguqukayo ngenani elingenamkhawulo weeyure, kwaye ngokubanzi zibandakanya i-10% okanye amandla okulayisha ngaphezulu kwexesha elifutshane.

Ukuba ndinomdla kwijenereyitha engeyiyo i-voltage endiyifunayo, ngaba i-voltage ingatshintshwa?
Iziphelo zejenereyitha ziyilelwe ukuba ziphinde ziqhagamshelwe okanye zingaphinde ziqhagamshelwe.Ukuba ijenereyitha idweliswe njengenokuphinda iqhagamshele i-voltage inokutshintshwa, ngenxa yoko ukuba ayinakuqhagamshelwa kwakhona i-voltage ayinakuguqulwa.I-12-lead reconnectable generator ends ingatshintshwa phakathi kwe-voltages ezintathu kunye nesigaba esisodwa;nangona kunjalo, khumbula ukuba utshintsho lwe-voltage ukusuka kwisigaba esithathu ukuya kwisigaba esisodwa luya kunciphisa ukukhutshwa kwamandla omatshini.I-10 ekhokelayo eqhagamshelekayo inokuthi iguqulwe ibe yi-voltages yesigaba esithathu kodwa hayi isigaba esinye.

Yenza ntoni i-Automatic Transfer switch?
Ukutshintsha okuzenzekelayo (i-ATS) idlulisela amandla ukusuka kumthombo oqhelekileyo, njenge-utility, ukuya kumandla kaxakeka, njengejeneretha, xa umthombo oqhelekileyo uhluleka.I-ATS iva uphazamiseko lwamandla emgceni ize ke inike umqondiso wokuba i-injini yolawulo iqale.Xa umthombo osemgangathweni ubuyiselwa kumandla aqhelekileyo i-ATS idlulisela amandla kumthombo oqhelekileyo kwaye ivale i-generator phantsi.Ukutshintshela ngokuzenzekela uTshintsho ludla ngokusetyenziswa kwiindawo ezifumanekayo eziphezulu ezifana namaziko edatha, izicwangciso zokuvelisa, uthungelwano lwezonxibelelwano njalo njalo.

Ngaba ijenereyitha ndiyijonga ngokunxuseneyo nale esele ndinayo?
Iiseti zejenereyitha zinokunxulunyaniswa nokuba kukungafuneki okanye iimfuno zomthamo.Iijeneretha ezihambelanayo zikuvumela ukuba uzidibanise ngombane ukudibanisa ukuphuma kwamandla abo.Iijeneretha ezifanayo ezifanayo aziyi kuba yingxaki kodwa ingcamango ebanzi kufuneka ingene kuyilo lonke olusekwe kwinjongo ephambili yenkqubo yakho.Ukuba uzama ukuhambelana ngokungafaniyo neejenereyitha uyilo kunye nofakelo lunokuba nzima ngakumbi kwaye kufuneka ugcine engqondweni iimpembelelo zoqwalaselo lwe-injini, uyilo lwejenereyitha, kunye noyilo lomlawuli, ukubalula nje ezimbalwa.

Ngaba ungayiguqula i-60 Hz generator ukuya kwi-50 Hz?
Ngokubanzi, uninzi lweejeneretha zorhwebo zinokuguqulwa ukusuka kwi-60 Hz ukuya kwi-50 Hz.Umgaqo jikelele wesithupha ngumatshini we-60 Hz osebenza kwi-1800 Rpm kunye ne-50 Hz generators kwi-1500 Rpm.Ngeejenereyitha ezininzi ezitshintsha i-frequency kuya kufuna kuphela ukuthoba i-rpm's ye-injini.Kwezinye iimeko, iinxalenye kusenokufuneka kutshintshwe okanye kwenziwe ezinye iinguqulelo.Oomatshini abakhulu okanye oomatshini abasele bebekwe kwi-Rpm ephantsi bahlukile kwaye kufuneka bahlale bevavanywa kwimeko ngemeko.Sikhetha ukuba amagcisa ethu anamava ajonge ijenereyitha nganye ngokweenkcukacha ukuze kuqondwe ukwenzeka nokuba yintoni na eyakufunwa.

Ndiyifumanisa njani isayizi yeJenereyitha endiyifunayo?
Ukufumana ijenereyitha enokusingatha zonke iimfuno zakho zokuvelisa amandla yenye yezona zinto zibalulekileyo kwisigqibo sokuthenga.Nokuba unomdla kumandla aphambili okanye okulinda, ukuba ijenereyitha yakho entsha ayikwazi ukuhlangabezana neemfuno zakho ezithile ayizukwenza nabani na ngenxa yokuba inokubeka uxinzelelo olungafanelekanga kwiyunithi.

Yeyiphi isayizi ye-KVA efunekayo xa kunikwa inani elaziwayo lamandla eenjini zam zombane?
Ngokubanzi, phinda-phinda inani lilonke lamandla eenjini zakho zombane nge-3.78.Ke ukuba une-25 yamandla eenjini zesigaba sesithathu, uya kufuna i-25 x 3.78 = 94.50 KVA ukuze ukwazi ukuqalisa injini yakho yombane ngokuthe ngqo emgceni.
Ngaba ndingaguqula ijenereyitha yam yezigaba ezithathu ibe yinqanaba elinye?
Ewe inokwenziwa, kodwa uphela une-1/3 yesiphumo kunye nokusetyenziswa kwamafutha afanayo.Ke i-100 kva i-generator yesigaba sesithathu, xa iguqulelwe kwisigaba esinye iya kuba yi-33 kva isigaba esisodwa.Ixabiso lakho lamafutha ngekva nganye lingaphinda-phinda kathathu.Ke ukuba iimfuno zakho zezenqanaba elinye, fumana inqanaba elinye lokwenyani, hayi eliguquliweyo.
Ndingasebenzisa i-generator yam yezigaba ezithathu njengezigaba ezithathu esinye?
Ewe inokwenziwa.Nangona kunjalo, imithwalo yamandla ombane kwinqanaba ngalinye kufuneka ilinganiswe ukuze inganiki ubunzima obungeyomfuneko kwi-injini.I-genset yesigaba sesithathu esingalinganiyo iya kuyonakalisa i-genset yakho ekhokelela ekulungiseni okuxabisa kakhulu.
Amandla kaNgxamiseko/aMashishini okulinda
Njengomnini weshishini, ijenereyitha yokulinda kaxakeka ibonelela ngenqanaba elongezelelweyo le-inshurensi ukugcina umsebenzi wakho uqhuba kakuhle ngaphandle kokuphazamiseka.
Iindleko zizodwa akufuneki zibe yiyona nto iqhubayo ekuthengeni i-genset yamandla ombane.Olunye uncedo lokuba nonikezelo lwamandla olugciniweyo lwasekhaya kukubonelela ngobonelelo lwamandla olungaguqukiyo kwishishini lakho.Iijenereyitha zinokubonelela ngokhuseleko ngokuchasene nokuguquguquka kwamandla ombane kwigridi yamandla inokukhusela ikhompyuter enovakalelo kunye nezinye izixhobo eziyinkunzi ekungaphumelelini okungalindelekanga.Ezi mpahla zexabiso zenkampani zifuna umgangatho wamandla ongaguqukiyo ukuze zisebenze ngokufanelekileyo.Iijenereyitha zikwavumela abasebenzisi bokugqibela, hayi iinkampani zamandla, ukulawula nokubonelela ngobonelelo lwamandla olungaguqukiyo kwizixhobo zabo.
Abasebenzisi bokugqibela nabo bayazuza kwisakhono sokubiyela ngokuchasene neemeko eziguquguqukayo zentengiso.Xa usebenza ngexesha lokusebenzisa imeko esekelwe kumaxabiso oku kunokungqina ukuba luncedo olukhulu lokhuphiswano.Ngexesha lamaxabiso aphezulu, abasebenzisi bokugqibela banokutshintshela umthombo wamandla kwidizili yabo elindileyo okanye ijenereyitha yerhasi yendalo ukuze bafumane amandla oqoqosho ngakumbi.
Ubonelelo lwaMandla oluyiNkulumbuso kunye noQhubekileyo
Unikezelo lwamandla oluphambili noluqhubekayo luhlala lusetyenziswa kwiindawo ezikude okanye ezisaphuhlayo zehlabathi apho kungekho nkonzo isetyenziswayo, apho inkonzo ekhoyo ibiza kakhulu okanye ingathembekanga, okanye apho abathengi bavele bakhethe ukuzivelisela unikezelo lwamandla lwabo lokuqala.
Amandla amakhulu achazwa njengonikezelo lwamandla olunika amandla kwiiyure ze-8-12 ngosuku.Oku kuqhelekileyo kumashishini afana nokusebenza kwemigodi ekude efuna unikezelo lombane olukude ngexesha lokutshintsha.Ubonelelo lwamandla oluthe gqolo lubhekiselele kumandla ombane ekufuneka ebonelelwe ngokuqhubekayo ngalo lonke ixesha leeyure ezingama-24.Umzekelo woku iya kuba sisixeko esisenkangala kwiindawo ezikude zelizwe okanye kwilizwekazi elingadityaniswanga kwigridi yamandla ekhoyo.Iziqithi ezikude kuLwandlekazi lwePasifiki zingumzekelo obalaseleyo apho iijenereyitha zamandla zisetyenziselwa ukunika amandla aqhubekayo kubahlali besiqithi.
Iijenereyitha zombane zineendlela ezininzi ezahlukeneyo zokusetyenziswa kwihlabathi jikelele kumntu ngamnye nakumashishini.Banokubonelela ngemisebenzi emininzi ngaphaya kokubonelela nje amandla okugcina ngexesha likaxakeka.Amandla aphambili kunye aqhubekayo afunekayo kwiindawo ezikude zehlabathi apho igridi yamandla ayidluli okanye apho amandla avela kwigridi engathembekanga.
Kukho izizathu ezininzi zokuba abantu okanye amashishini abe ngawabo ugcino/olulindileyo, oluphambili, okanye iiseti zonikezelo lwamandla eziqhubekayo.Iijenereyitha zibonelela ngenqanaba elongezelelweyo le-inshurensi kwindlela yakho yemihla ngemihla okanye imisebenzi yeshishini eqinisekisa unikezelo lwamandla olungaphazamisekiyo (UPS).Ukuphazamiseka kokucima kombane akufane kuqatshelwe de ube lixhoba lokulahleka kwamandla okanye ukuphazamiseka okungalindelekanga.