A halin yanzu, injinan injin dizal ana amfani da su sosai a masana'antu daban-daban kuma an fi son na'urorin wutar lantarki don samar da wutar lantarki idan aka samu katsewar wutar lantarki kwatsam ko kuma cin wutar lantarki ta yau da kullun ta kamfanoni.Hakanan ana amfani da janareta na diesel a wasu wurare masu nisa ko ayyukan filin.Don haka, kafin siyan janareta na diesel, don tabbatar da cewa janareta na iya samar da wutar lantarki mafi kyawun aiki, ya zama dole a sami cikakkiyar fahimtar kilowatts (kW), amperes kilovolt (kVA), da factor factor (PF) bambanci tsakanin su yana da mahimmanci:
Ana amfani da Kilowatt (kW) don auna ainihin wutar lantarki da ke samar da janareta, wanda ke amfani da kayan lantarki da kayan aiki kai tsaye a cikin gine-gine.
Auna ikon bayyananne a cikin amperes kilovolt (kVA).Wannan ya haɗa da ƙarfin aiki (kW), da kuma ƙarfin amsawa (kVAR) da kayan aiki ke cinyewa kamar injina da taswira.Ba a cinye ƙarfin amsawa, amma yana kewaya tsakanin tushen wutar lantarki da kaya.
Factor factor shine rabon iko mai aiki zuwa bayyanannen iko.Idan ginin yana cinye 900kW da 1000kVA, ƙarfin wutar lantarki shine 0.90 ko 90%.
Sunan janareta na diesel ya ƙididdige ƙimar kW, kVA, da PF.Don tabbatar da cewa za ku iya zaɓar saitin janareta na diesel mafi dacewa da kanku, mafi kyawun shawara shine samun ƙwararren injiniyan lantarki ya ƙayyade girman saitin.
Matsakaicin fitowar kilowatt na janareta an ƙaddara ta injin dizal da ke tuƙa shi.Misali, yi la'akari da janareta wanda injin dizal mai ƙarfin doki 1000 ke motsa tare da inganci na 95%:
Ƙarfin dawakai 1000 daidai yake da kilowatts 745.7, wanda shine ƙarfin shaft ɗin da aka bayar ga janareta.
Ingancin 95%, matsakaicin ƙarfin fitarwa na 708.4kW
A gefe guda, matsakaicin kilovolt ampere ya dogara da ƙimar ƙarfin lantarki da halin yanzu na janareta.Akwai hanyoyi guda biyu don yin lodin saitin janareta:
Idan nauyin da aka haɗa da janareta ya zarce kilowatts da aka ƙididdige shi, zai cika injin.
A gefe guda kuma, idan nauyin ya wuce kVA da aka ƙididdige shi, zai yi overloading na iskar janareta.
Yana da mahimmanci a kiyaye wannan a hankali, kamar yadda ko da nauyin da ke cikin kilowatts yana ƙasa da ƙimar ƙima, janareta na iya yin nauyi a cikin amperes na kilovolt.
Idan ginin yana cinye 1000kW da 1100kVA, ƙarfin wutar lantarki zai karu zuwa 91%, amma ba zai wuce ƙarfin saitin janareta ba.
A daya hannun, idan janareta aiki a 1100kW da 1250kVA, ikon factor ne kawai ƙara zuwa 88%, amma dizal engine ne overloading.
Haka kuma injinan dizal ɗin na iya yin lodi da kVA kawai.Idan na'urar tana aiki a 950kW da 1300kVA (73% PF), ko da injin dizal ba a yi masa yawa ba, har yanzu za a yi lodin iska.
A taƙaice, injinan dizal na iya wuce ƙimar ƙarfin ƙarfin su ba tare da wata matsala ba, muddin kW da kVA sun kasance ƙasa da ƙimar ƙimar su.Ba a ba da shawarar yin aiki a ƙasa da PF mai ƙima ba, saboda ingantaccen aiki na janareta yana da ɗan ƙaramin ƙarfi.A ƙarshe, wuce ƙimar kW ko ƙimar kVA zai lalata kayan aiki.
Yadda Manyan Matsalolin Wutar Lantarki Suke Shafe Masu Samar Da Diesel
Idan kawai juriya ta haɗa da janareta kuma ana auna ƙarfin lantarki da halin yanzu, sifofin igiyoyin AC ɗin su zasu yi daidai lokacin da aka nuna akan kayan dijital.Sigina biyu suna musanya tsakanin ma'auni masu kyau da mara kyau, amma suna haye duka 0V da 0A lokaci guda.A wasu kalmomi, ƙarfin lantarki da halin yanzu suna cikin lokaci.
A wannan yanayin, da ikon factor na kaya ne 1.0 ko 100%.Duk da haka, ƙarfin wutar lantarki na yawancin kayan aiki a cikin gine-gine ba 100% ba ne, wanda ke nufin cewa ƙarfin wutar lantarki da na yanzu zai kashe juna:
Idan mafi girman ƙarfin wutar AC yana jagorantar mafi girman halin yanzu, nauyin yana da ma'aunin wutar lantarki.Abubuwan da ke da wannan hali ana kiran su inductive loads, wadanda suka hada da injinan lantarki da na'urorin lantarki.
A gefe guda, idan halin yanzu yana jagorantar wutar lantarki, nauyin yana da babban ƙarfin wutar lantarki.Load da ke da wannan ɗabi'a shi ake kira da capacitive load, wanda ya haɗa da batura, bankunan capacitor, da wasu na'urorin lantarki.
Yawancin gine-gine suna da lodin inductive fiye da kayan aiki masu ƙarfi.Wannan yana nufin cewa gabaɗayan ƙarfin wutar lantarki yawanci yana raguwa, kuma an tsara na'urorin janareta na diesel musamman don irin wannan nauyin.Duk da haka, idan ginin yana da kayan aiki masu yawa da yawa, mai shi dole ne ya yi hankali saboda wutar lantarki na janareta zai zama marar ƙarfi yayin da wutar lantarki ta ci gaba.Wannan zai haifar da kariya ta atomatik, cire haɗin na'urar daga ginin.
Lokacin aikawa: Fabrairu-23-2024