I-transformer engu-1250 kVA inamandla abonakalayo angu-1250 kilovolt-amperes. Ngokwezinto ezibonakalayo, lokhu kusho ukuthi ingahlinzeka ngama-volt-ampere afinyelela kwangu-1,250,000 omthwalo kagesi ngaphansi kukagesi wawo olinganiselwe, imvamisa, isimo sokupholisa, nendawo yokufaka.
Kodwa-ke, umthwalo wangempela osebenzisekayo uncike ku-voltage, isigaba, isici samandla, uhlobo lomthwalo, izinga lokushisa elizungezile, indlela yokupholisa, izimo zokufaka, kanye nemajini yokuphepha. A 1250 kva transformer ingase isekele isakhiwo esikhulu sezentengiselwano, indawo yokusebenzela yezimboni, ulayini wokukhiqiza, indawo yedatha, noma uhlelo lokusabalalisa, kodwa kufanele ifaniswe ngokucophelela nesidingo sangempela sikagesi.
Kusho Ukuthini I-1250 kVA?
Isilinganiso se-kVA se-transformer sichaza amandla ayo abonakalayo. Ihlanganisa i-voltage ne-current ngaphandle kokuthatha isici esithile samandla.
Ifomula eyisisekelo ithi:
kVA = i-voltage x yamanje x isigaba sesici / 1000
Okwesiguquli esinezigaba ezintathu:
kVA = 1.732 x voltage x yamanje / 1000
Okwesiguquli sesigaba esisodwa:
kVA = i-voltage x yamanje / 1000
Ngenxa yokuthi amayunithi amaningi amakhulu angu-1250 kVA angama-transformer ezigaba ezintathu, umthamo wamanje uvame ukubalwa ngefomula yezigaba ezintathu.
Ingakanani I-Transformer Yamanje engu-1250 kVA?
Okukhiphayo kwamanje kuncike ku-voltage yesibili.
Ku-transformer yezigaba ezintathu engu-1250 kVA, isilinganiso sokulayisha okugcwele samanje yilesi:
- Ku-400V: cishe ama-amps angu-1,804
- Ku-415V: cishe ama-amps angu-1,739
- Ku-480V: cishe ama-amps angu-1,504
- Ku-690V: cishe ama-amps angu-1,046
- Ku-11kV: cishe ama-amps angama-66
Lawa manani abalwa kusetshenziswa ifomula yamanje yezigaba ezintathu:
Okwamanje = kVA x 1000 / (1.732 x voltage)
Isibonelo, ku-400V:
1,250 x 1000 / (1.732 x 400) = cishe 1,804A
Lokhu kusho a 1250 kva transformer esebenza ku-400V izigaba ezintathu ngokwethiyori inganikeza cishe ama-amps angu-1,804 ngokulayisha okugcwele, kucatshangelwa izimo zokusebenza ezilinganiselwe.
Mangaki ama-kW Angakwazi Ukusekela I-Transformer engu-1250 kVA?
I-kVA ayifani ne-kW. I-kW ikala amandla okusebenza angempela, kuyilapho i-kVA ikala amandla abonakalayo. Ubudlelwano buncike kusici samandla.
Ifomula ithi:
kW = kVA x isici samandla
Izibonelo:
- Ku-1.0 amandla factor: 1250 kW
- Ku-0.95 isici samandla: 1187.5 kW
- Kumandla angu-0.90: 1125 kW
- Ku-0.85 isici samandla: 1062.5 kW
- Kumandla angu-0.80: 1000 kW
Ezinhlelweni eziningi zezimboni nezohwebo, isici samandla singasukela ku-0.8 kuye ku-0.95 kuye ngomthwalo wezimoto, amadrayivu, izibani, ama-capacitor, nemishini yokulungisa amandla.
Ngakho, i-transformer engu-1250 kVA ingase isekele cishe u-1000 kW kuya ku-1187 kW ezinhlelweni eziningi zangempela, kuye ngesici samandla.
Ingabe I-Transformer Kufanele Ilayishwe Ku-100%?
Yize i-transformer ingakalwa ngokusebenza komthwalo ogcwele, onjiniyela abaningi bayakugwema ukuyiqhuba ngokuqhubekayo ngo-100% ngaphandle uma umklamo uyivumela. Ithagethi esebenzayo yokulayisha ingase ihlanganise umkhawulo wokunwetshwa okuzayo, ukukhuphuka kwezinga lokushisa, ukulayishwa kwe-harmonic, amandla okuqalisa amandla, kanye nesidingo sesizini.
Ukucatshangelwa okuhlela okujwayelekile kufaka:
- Umthwalo oqhubekayo ovamile
- Isidingo esiphezulu
- Ukuqala okwamanje kwama-motor amakhulu
- Ukuhlanekezelwa kwe-Harmonic kusuka kumadrayivu noma izinhlelo ze-UPS
- Izinga lokushisa le-ambient
- Indlela yokupholisa
- Indawo yokungenisa umoya
- Ukukhula komthwalo
- Imithetho yendawo kagesi
- Ukuxhumana kwedivayisi yokuvikela
Ngokwethembeka kwesikhathi eside, amaphrojekthi amaningi asayizi we-transformer ukuze umthwalo ojwayelekile wokusebenza uhlale ungaphansi kwesilinganiso esigcwele. Isu eliqondile lokulayisha kufanele linqunywe ngonjiniyela bakagesi abaqeqeshiwe.
Izicelo Ezijwayelekile Ze-Transformer engu-1250 kVA
I-transformer engu-1250 kVA ivamise ukusetshenziswa ezinhlelweni zikagesi eziphakathi nendawo ezinkulu.
Izinhlelo zokusebenza ezijwayelekile zifaka:
- Izimboni
- Amapaki ezimboni
- Izakhiwo zezentengiselwano
- Izibhedlela
- Izikhungo zedatha
- Izikhungo zokuthenga
- Izikhungo zokuhlanza amanzi
- Imisebenzi yezimayini
- Izinhlelo zamandla elanga
- Amasistimu wokuqoqa amandla omoya
- Ukufakwa kwemishini emikhulu
- Iziteshi ezincane zokusabalalisa
A 1250 kva transformer inganikeza izinhlobo eziningi zemithwalo, kodwa iphrofayela yokulayisha kufanele ibuyekezwe ngaphambi kokukhethwa kokugcina.
Izinto Ezithinta Umthamo Womthwalo
Isilinganiso samandla kagesi
Isilinganiso esifanayo se-kVA ye-transformer sizokhiqiza amanani ahlukene amanje kuma-voltage ahlukene. Amandla kagesi aphansi asho amandla aphezulu e-kVA efanayo.
Isici samandla
Isici samandla esingesihle sinciphisa umthamo wangempela osebenzisekayo we-kW. Ukulungiswa kwezinto zamandla kungasiza ukuthuthukisa ukusebenza kahle kwesistimu futhi kunciphise isidingo ku-transformer.
Indlela Yokupholisa
Ama-transformer acwiliswe ngamafutha kanye nohlobo olomile angase abe nemiklamo ehlukene yokupholisa. Umoya wemvelo, umoya ophoqelekile, umoya wemvelo kawoyela wemvelo, noma ukupholisa okusizwa ngabalandeli kungathinta ikhono lokulayisha eliqhubekayo.
Izinga lokushisa
Ukushisa okuphezulu kwe-ambient kunganciphisa umthamo wokulayisha i-transformer. Uma indawo yokufaka ishisa noma ingenawo umoya ohlanzekile, kungase kudingeke ukuba kuncishiswe.
I-Harmonics
Imithwalo engaqondile efana namadrayivu okuguquguqukayo, iziphindisi, amasistimu e-UPS, nokunye ukukhanyisa kwe-LED kungakha ukufudumeza kwe-harmonic. Lokhu kungase kudinge i-transformer elinganiselwe ngokukhethekile noma ukulayisha okuncishisiwe.
Uhlobo Lokulayisha
Imithwalo yezimoto, imishini yokushisela, ama-compressor, nemishini esindayo yezimboni ingase idale ama-inrush currents aphezulu. I-transformer kufanele iphathe kokubili umthwalo osebenzayo kanye nezimo zokuqala.
Ungayikhetha kanjani i-Transformer engu-1250 kVA
Ngaphambi kokukhetha i-transformer, abathengi kufanele baqinisekise:
- I-voltage eyinhloko
- I-voltage yesibili
- Isigaba kanye nemvamisa
- kVA isilinganiso
- Uhlobo lokulayisha
- Isici samandla
- Indlela yokupholisa
- Indawo yokufaka
- Indawo ebiyelwe yangaphakathi noma yangaphandle
- Isigaba se-insulation
- Impedance
- Izidingo zokusebenza kahle
- Izinga lomsindo
- Izidingo zokuvikela
- Izindinganiso ezisebenzayo
- Uhlelo oluzayo lokwandisa
I-transformer kufanele futhi ihambisane ne-switchgear efanelekile, izintambo, izinto zokuvikela, uhlelo lokumisa phansi, nomklamo wokungenisa umoya.
Amaphutha Avamile Okufanele Uwagweme
Iphutha elilodwa elijwayelekile ukudida i-kVA ne-kW. I-transformer engu-1250 kVA ayihlali njalo ihlinzeka ngo-1250 kW ngaphandle uma isici samandla singu-1.0.
Elinye iphutha ukuziba i-voltage. Umthamo wamanje ushintsha kakhulu phakathi kuka-400V, 480V, namasistimu we-medium-voltage.
Iphutha lesithathu ukukala i-transformer kuphela umthwalo wanamuhla. Uma kungenzeka ukwanda kwesikhathi esizayo, umklamo ungase udinge imajini eyengeziwe.
Isiphetho
Umthamo wokulayisha we-transformer engu-1250 kVA ngu-1,250,000 volt-amperes. Okukhiphayo kwamanje kuncike ku-voltage, futhi umthamo wayo we-kW wangempela uncike kusici samandla. Ku-400V yezigaba ezintathu, inganikeza cishe ama-amps angu-1,804. Ku-480V yezigaba ezintathu, ingahlinzeka cishe ngama-amps angu-1,504.
Ekusebenzeni okungokoqobo, a 1250 kva transformer kufanele kukhethwe futhi kulayishwe ngokuya nge-voltage, isici samandla, isimo sokupholisa, iphrofayili yomthwalo, izinga lokushisa elizungezile, okuqukethwe kwe-harmonic, nezidingo zokunwetshwa zesikhathi esizayo. Usayizi olungile usekela ukusebenza okuphephile, ukusebenza kahle okungcono, nempilo yesevisi ye-transformer ende.
Ukuze uthole ulwazi lomkhiqizo we-transformer, vakashela JS Ningi.
