Uyini umehluko phakathi kwe-KW neKVA?
Umehluko oyinhloko phakathi kwe-KW (kilowatt) ne-KVA (kilovolt-ampere) yinto yamandla. I-KW iyunithi lamandla wangempela ne-KVA iyunithi lamandla asobala (noma amandla angempela anamandla okuphinda asebenze). I-Power Factor, ngaphandle kokuthi ichazwa futhi yaziwa, ngakho-ke inani elilinganisiwe (ngokujwayelekile 0.8), nenani le-KVA liyohlala liphakeme kunenani le-KW.
Ngokuphathelene nama-generator wezimboni nezentengiselwano, i-KW ivame ukusetshenziswa kakhulu lapho kubhekiswa kuma-generator e-United States, namanye amazwe ambalwa asebenzisa i-KZ ka-60, ngenkathi iningi lomhlaba lisebenzisa i-KVA njengenani eliyinhloko lapho kubhebhethekisa khona amasethi we-generator.
Ukunwebeka ngakho okuthe xaxa, ukukala kwe-KW empeleni kungukukhipha amandla okuholela ukuthi i-generator inganikezela ngokususelwa kwihhashi le-injini. I-KW itholwe yisilinganiso sehhashi sezikhathi zenjini .746. Isibonelo uma unenjini enamahhashi angama-500 inesilinganiso se-KW sama-373. I-kilovolt-ampperes (kva) umthamo wokuphela we-generator. Amasethi we-Generator ajwayele ukuboniswa ngezilinganiso zombili. Ukunquma isilinganiso se-KW kanye ne-KVA isilinganiso sefomula engezansi.
0.8 (PF) x 625 (KVA) = 500 kW
Yini i-Power Factor?
I-Power Factor (PF) ichazwa njengesilinganiso phakathi kwama-Kilowatts (KW) neKilovolt Amps (KVA) edonswa kumthwalo kagesi, njengoba kuxoxwe ngawo embuzweni ongenhla. Kunqunywa ngumlayishi oxhumekile. I-PF kwi-PagePlate ye-generator ilandisa i-KVA kwisilinganiso se-KW (bheka ifomula ngenhla). Ama-Generator anezici eziphakeme zamandla adlulise ngempumelelo amandla kumthwalo oxhunyiwe, kanti ama-generator anesizathu samandla aphansi awenzi kahle futhi aphumela ekukhulisweni kwezindleko zamandla. Isici esijwayelekile samandla e-Generator Generator ezintathu .8.
Uyini umehluko phakathi kokubekwe eceleni, okuqhubekayo, kanye nokulinganisa kwamandla amakhulu?
Ama-generator wamandla okukulinda asetshenziswa kakhulu ezimweni eziphuthumayo, njengasesikhathini samandla. Ilungele izinhlelo zokusebenza ezinomthombo oqhubekayo oqhubekayo oqhubekayo njengamandla wokusebenzisa. Ukuncoma ukusetshenziswa kuvame kakhulu kuphela isikhathi sokuphuma kwamandla nokuhlolwa okujwayelekile nokulungiswa.
Izilinganiso zamandla amakhulu zingachazwa ngokuthi "isikhathi sokusebenza okungenamkhawulo", noma empeleni i-generator ezosetshenziswa njengomthombo wamandla oyinhloko hhayi nje kumandla okubekwe eceleni noma wokusekelayo. I-generator ekhiqizwe ngamandla alinganiselwe inganikeza amandla esimweni lapho kungekho khona umthombo wokusebenza, njengoba kuvame ukuba khona kwezicelo zezimboni njengezimayini noma ama-oyela negesi ezitholakala ezindaweni ezikude lapho igridi ingatholakali khona.
Amandla aqhubekayo afana namandla aphambili kepha anesilinganiso somthwalo wesisekelo. Kunganikezela ngamandla ngokuqhubekayo kumthwalo oqhubekayo, kepha akunawo amandla okuphatha izimo ezigcwele ngokweqile noma umsebenzi kanye nemithwalo eguquguqukayo. Umehluko omkhulu phakathi kwesilinganiso esiyinhloko nokuqhubekayo ukuthi ama-gens ama-genses aphezulu asethelwe ukuba abe namandla aphezulu atholakala kumthwalo oguqukayo wenombolo engenamkhawulo yamahora angenamkhawulo, futhi ngokuvamile afaka amandla ezikhathi ezingama-10 noma ngaphezulu.

Uma nginentshisekelo ku-generator okungeyona ivolumu engilidingayo, ingashintshwa kagesi?
Ama-Generator Ends enzelwe ukuthi angaphinde axhumeke noma angaxhunyiwe. Uma i-generator ibhalwe njengoba ixhunyiwe i-voltage ingashintshwa, ngenxa yalokho uma kungaxhunyiwe ku-voltage akushintshi. Izinkomo zokugcina ezihola phambili ezi-12 zingaguqulwa phakathi kwezintathu ezintathu nezigaba ze-Phase; Kodwa-ke, khumbula ukuthi ushintsho lwamandla kagesi olusuka esigabeni esithathu kuya esigabeni esisodwa luzokwehlisa umphumela wamandla womshini. I-10 Holid Rexiblectoctable ingaguqulwa ibe yizigaba ezintathu ze-voltages kodwa hhayi isigaba esisodwa.

Ngabe i-othomathikhi yokuphrinta ishintshani?
I-othomathikhi yokudlulisa (ATS) idlulisela amandla avela emthonjeni ojwayelekile, njengokusebenzisa, kumandla aphuthumayo, njenge-generator, lapho umthombo ojwayelekile wehluleka. Ats as azwa ukuphazamiseka kwamandla emugqeni futhi ajike amasiko e-enjini aqala. Lapho umthombo ojwayelekile ubuyiselwa kumandla ajwayelekile ama-ATS adluliselwa amandla emuva emthonjeni ojwayelekile futhi avale i-generator phansi. Ukushintshwa okuzenzakalelayo okuzenzakalelayo kuvame ukusetshenziswa ezindaweni eziphakeme kakhulu njengezikhungo zedatha, amasu wokukhiqiza, amanethiwekhi okuxhumana ngocingo nokunye.

Ingabe i-generator ngifuna ukufana nomuntu engivele naye?
Amasethiloli we-Generator angafaniswa noma izidingo ze-redundancy noma amakhono. Ama-gerators abukekayo akuvumela ukuthi uhlanganyele ngogesi ukuze uhlanganise umphumela wawo wamandla. Ama-generator afanayo afanayo ngeke abe yinkinga kepha omunye umcabango obanzi kufanele angene ekwakhiweni okuphelele ngokusekelwe enjongweni eyinhloko yohlelo lwakho. Uma uzama ukufana ngokungafani nama-generator ukwakheka nokufakwa kungaba yinkimbinkimbi kakhulu futhi kufanele uhlale ukhumbula ukuthinteka kokucushwa kwenjini, ukwakheka kwe-generator, nedizayini yoMlawuli, nje ukubiza abambalwa.

Ungakwazi ukuguqula i-generator engu-60 HZ ibe ngu-50 hz?
Ngokuvamile, ama-generator amaningi okuhweba angaguqulwa kusuka ku-60 hz kuye ku-50 hz. Umthetho ojwayelekile wesithupha unemishini engama-60 hz egijima ngo-1800 RPM kanye nama-50 HZ Generator asebenza ngo-1500 RPM. Ngama-generator amaningi aguqula imvamisa azodinga ukwehlisa ama-RPM enjini. Kwezinye izimo, izingxenye kungadingeka ukuthi zifakwe esikhundleni noma ukuguqulwa okwengeziwe okwenziwe. Imishini emikhulu noma imishini esele isethwe e-RPM ephansi ihlukile futhi kufanele ihlale ihlolwe ngecala ngalinye. Sincamela ukuthi ochwepheshe bethu abanolwazi babheke i-generator ngayinye ngokuningiliziwe ukuze banqume ukuthi kungenzeka yini nokuthi konke kuzodingeka.

Nginquma kanjani ukuthi yiliphi i-generator enobukhulu engiyidingayo?
Ukuthola i-generator engaphatha yonke izidingo zakho zamandla okuphehla amandla kungenye yezinto ezibucayi kakhulu zesinqumo sokuthenga. Ukuthi unentshisekelo kumandla amakhulu noma wokulinda, uma i-generator yakho entsha ingakwazi ukuhlangabezana nezidingo zakho ezithile ke nje ngeke zenze noma ngubani omuhle ngoba ungabeka ingcindezi engafanele kwiyunithi.

Yiluphi usayizi we-KVA oludingekayo olunikezwa inani elaziwayo le-horsepower ngemoto yami kagesi?
Ngokuvamile, phindaphinda inani eliphelele lamahhashi ama-motors akho kagesi ngo-3.78. Ngakho-ke uma une-25 yamahhashi yesigaba ezintathu, uzodinga ama-25 x 3.78 = 94.50 kVA ukuze ukwazi ukuqala ukuqondiswa kwemoto kagesi kagesi.
Ngingakwazi ukuguqula i-generator yami yesigaba emithathu ibe isigaba esisodwa?
Yebo kungenziwa, kepha ugcina ngo-1/3 kuphela okuphumayo kanye nokusetshenziswa kwamafutha okufanayo. Ngakho-ke i-100 KVA kathathu isigaba se-generator, lapho iguqulwa iye esigabeni esisodwa izoba yisigaba esisodwa esingu-33 kva. Izindleko zakho zikaphethiloli nge-KVA ngayinye zingaba ngaphezulu kathathu. Ngakho-ke uma izidingo zakho zimane zisesigabeni esisodwa, thola i-genset yesigaba sangempela sangempela, hhayi eguquliwe.
Ngingakwazi ukusebenzisa i-generator yami yesigaba ezintathu njengezigaba ezintathu ezizodwa?
Yebo kungenziwa. Kodwa-ke, imithwalo kagesi kagesi esigabeni ngasinye kufanele ilinganiswe ukuze inganikezeli ubunzima obungathandeki enjini. I-Genset yesigaba emithathu engalinganiseli izolimaza i-genset yakho eholela ekubizeni okubizayo kakhulu.
Amandla aphuthumayo / okubekwe eceleni kwamabhizinisi
Njengomnikazi webhizinisi, i-generator ephuthumayo yokulinda inikezela ngezinga elingeziwe lomshuwalense ukuze lisebenze kahle ukusebenza kahle ngaphandle kokuphazamiseka.
Izindleko zodwa akufanele kube yinto yokushayela ekuthengeni i-genset kagesi kagesi. Enye inzuzo yokuthola amandla e-backup asendaweni ukuhlinzeka ngokuhlinzekwa kwamandla okungaguquki ebhizinisini lakho. Ama-Generator anganikeza ukuvikela ekushintshashintsheni kwamandla aguqukayo kugridi yamandla angavikela ikhompyutha ebucayi kanye neminye imishini yemali ekwahluleke okungalindelekile. Lezi zimpahla zenkampani ezibizayo zidinga ikhwalithi yamandla engaguquki ukuze isebenze kahle. Ama-Generator avumela nabasebenzisi bokugcina, hhayi izinkampani zamandla, ukulawula nokunikeza ukunikezwa kwamandla okungaguquki kwimishini yabo.
Abasebenzisi bokugcina bayazuza ekwazini kokwehla kwezitha ezibhekene nezimo zemakethe eziguquguqukayo. Lapho usebenza ngesimo sentengo esekwe ngesikhathi sokuthola lokhu kungahle kube yinzuzo enkulu yokuncintisana. Ngezikhathi zamanani entengo aphezulu, abasebenzisi bokugcina bangashintsha umthombo wamandla kudizili yabo yokulinda noma generator yemvelo yamandla ezomnotho amaningi.
I-Prime and Provil Power Fanzi
I-Prime and Provil Power Supplies imvamisa isetshenziswa ezindaweni ezikude noma ezithuthukayo zomhlaba lapho kungekho nsizakalo yokusebenza, lapho insizakalo etholakalayo ibiza kakhulu noma ingathembekile, noma lapho amakhasimende avele akhethe ukuzakhela amandla awo aphambili.
Amandla aphambili achazwa njengokuhlinzekwa kwamandla okunikeza amandla amahora angama-8 kuya ku-12 ngosuku. Lokhu kujwayelekile kumabhizinisi anjengemisebenzi yezimayini eyihlane edinga ukunikezwa kwamandla okude ngesikhathi kunamashifu. Ukuhlinzekwa kwamandla okuqhubekayo kubhekiselwa emandleni okumele kuhlinzekwe njalo ngosuku olwemahora angama-24. Isibonelo salokhu kungaba yindawo eyincithakalo ezingxenyeni ezikude zezwe noma izwekazi elingaxhunyiwe kugridi yamandla atholakalayo. Iziqhingi ezikude oLwandle iPacific ulwandle luyisibonelo esiyingqayizivele salapho ama-generator wamandla asetshenziselwa ukuhlinzeka amandla aqhubekayo ezakhamizi zesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi sesiqhingi.
Amandla kagesi kagesi anezinto ezahlukahlukene ezisetshenziswa emhlabeni wonke kubantu namabhizinisi. Banganikeza imisebenzi eminingi ngaphandle kokuhlinzeka ngamandla okusekelayo uma kunezimo eziphuthumayo. IPrime and Provil Power Supplies iyadingeka ezindaweni ezikude zomhlaba lapho igridi yamandla ingandisi khona noma lapho amandla avela kugridi athembekile.
Kunezizathu eziningi zabantu noma amabhizinisi ukuba abe nezipelezo / zokubekwe eceleni, i-Prime, noma ama-general applity generator generator set (noma). Ama-Generator anikezela ngezinga elingeziwe lomshuwalense kwinqubo yakho yansuku zonke noma imisebenzi yebhizinisi eqinisekisa ukunikezwa kwamandla okungaphazanyiswa (ama-UPS). Ukuphazamiseka kokuphuma kwamandla akuvamile ukubonwa kuze kube yilapho uyisisulu sokulahleka kwamandla okungazelelwe noma ukuphazamiseka.