I-Transformer yezigaba ezintathu: Ukuze ufake ama-voltage ahlukene, okokufaka okokufaka kungaphinda kusebenzise ama-winding amaningi ukuze kufakwe ama-voltages ahlukene wokufaka. Ngesikhathi esifanayo, ama-winding amaningi angasetshenziswa ukuze kukhishwe ama-voltages ahlukene. Amawindi amathathu azimele axhunywe kugesi wezigaba ezintathu we-AC ngokusebenzisa ukuxhumana okuhlukile (isb., inkanyezi, unxantathu), futhi okukhiphayo nakho kuyafana. Lena i-transformer enezigaba ezintathu.
Isiguquli sesigaba esisodwa: Idivayisi esebenzisa umgomo wokungeniswa kuka-electromagnetic ukushintsha i-voltage ye-AC. Izingxenye eziyinhloko ikhoyili eyinhloko, ikhoyili yesibili, kanye nomnyombo (umnyombo). Emishinini kagesi namasekethe angenawaya, imvamisa isetshenziswa njenge-voltage ephakamisayo, i-impedance efanayo, kanye nokuhlukaniswa nokuphepha.
I-transformer yezigaba ezintathu zesigaba esisodwa i-transformer eguqula okokufaka kwezigaba ezintathu kube okukhiphayo kwesigaba esisodwa. I-transformer input maximum phase yamanje iphindwe kabili kuneyodwa yezinye izigaba. Inganciphisa isigaba esisodwa sokulayisha esingu-220V ngo-40%; umthamo wamanje wesigaba esisodwa esingu-380V unesigaba samanje esiphezulu esifanayo, kuyilapho ezinye izigaba ezimbili zingama-50% wezinga eliphezulu lesigaba esisodwa samanje. Ibiza kakhulu kune-transformer yokuhlukanisa. Isetshenziswa kakhulu ngesikhathi somthwalo othize wamabhizinisi ezimboni kanye nezimayini ukuxazulula inkinga yokungalingani okukhulu kwezigaba ezintathu zamanje. I-transformer yezigaba ezintathu kuya kwesigaba esisodwa Lolu chungechunge lwemikhiqizo lufanele i-AC 50/60Hz i-voltage yokusebenza engaphansi kuka-600V. Lolu chungechunge lwebanga lokumelana nokushisa kwe-transformer yibanga lika-F. Umongo we-transformer onezigaba ezintathu oguquguqukayo wesigaba esisodwa wakhiwa ngokunqwabelanisa amashidi ensimbi ye-silicon esezingeni eliphakeme agingqike abandayo, futhi isakhiwo sekhoyili sithatha isilinda, isilinda esiyielliptical nesilinda esingunxande. Usayizi omncane, ukusebenza okuhle kakhulu, okuphephile nokuthembekile.
Bambalwa abantu abazi ukuthi iyini isimiso sokusebenza se-transformer yesigaba esisodwa sesigaba sesithathu? Ngoba abathengi ngokuyisisekelo abanaki ukuthi yini esebenzayo, imisebenzi, izinto zokwakha, njll., banake kuphela intengo, okuholela kubantu abambalwa abaqonda isimiso sokusebenza se-transformer yesigaba esisodwa sesigaba sesithathu.
Ngokuvamile, ama-cores amathathu e-transformer yezigaba ezintathu azungeze ama-winding amathathu, futhi umthombo wamandla wezigaba ezintathu ungaguqulelwa kanyekanye ube ohlangothini lwesibili lwama-winding, futhi okukhiphayo futhi umthombo wamandla wezigaba ezintathu. I-single-phase transformer inomoya owodwa kuphela kumongo, futhi ingaguqula amandla esigaba esisodwa kuphela ekuphumeni kwesibili. Eziteshini ezincane ezinkulu nasezitshalweni zikagesi, ama-transformer amathathu esigaba esisodwa nawo ahlanganiswa abe yi-transformer eyodwa yezigaba ezintathu, ebizwa ngokuthi “ama-combined three-phase transformer.” Ngokuvamile, izigaba ezintathu zokunikezwa kwamandla zisetshenziselwa ukudlulisa igridi yamandla kanye nokusetshenziswa kwezimboni, ngakho-ke kusetshenziswa ama-transformer ezigaba ezintathu. I-single-phase transformer ngokuvamile isetshenziswa ezindaweni lapho ugesi wesigaba esisodwa udingeka khona ukuze usetshenziswe abantu, njengempahla yasendlini, njll., futhi umthamo wayo mancane uma kuqhathaniswa. Ngokuvamile, ama-cores amathathu e-transformer yezigaba ezintathu azungeze amawindi amathathu, futhi ukunikezwa kwamandla kwezigaba ezintathu kungashintshwa kanyekanye. Kucindezelwe ekujikeni kwesibili, okukhiphayo nakho kuyizigaba ezintathu zamandla. I-single-phase transformer inomoya owodwa kuphela kumongo, futhi ingaguqula amandla esigaba esisodwa kuphela ekuphumeni kwesibili. Eziteshini ezincane ezinkulu nasezitshalweni zikagesi, ama-transformer amathathu esigaba esisodwa nawo ahlanganiswa abe yi-transformer eyodwa yezigaba ezintathu, ebizwa ngokuthi “ama-combined three-phase transformer.” Ngokuvamile, izigaba ezintathu zokunikezwa kwamandla zisetshenziselwa ukudlulisa igridi yamandla kanye nokusetshenziswa kwezimboni, ngakho-ke kusetshenziswa ama-transformer ezigaba ezintathu. Ama-transformer esigaba esisodwa ngokuvamile asetshenziswa ezindaweni lapho amandla esigaba esisodwa edingeka khona ukuze kusetshenziswe abantu abavamile, njengempahla yasendlini, njll., futhi umthamo wabo mancane uma kuqhathaniswa.
Umehluko phakathi kwe-single-phase transformer kanye ne-three-phase transformer
1, incazelo ihlukile
Isiguquli sesigaba esisodwa: Idivayisi esebenzisa umgomo wokungeniswa kuka-electromagnetic ukushintsha i-voltage ye-AC. Izingxenye eziyinhloko ikhoyili eyinhloko, ikhoyili yesibili, kanye nomnyombo (umnyombo). Emishinini kagesi namasekethe angenawaya, imvamisa isetshenziswa njenge-voltage ephakamisayo, i-impedance efanayo, kanye nokuhlukaniswa nokuphepha.
I-Transformer yezigaba ezintathu: Ukuze ufake ama-voltage ahlukene, okokufaka okokufaka kungaphinda kusebenzise ama-winding amaningi ukuze kufakwe ama-voltages ahlukene wokufaka. Ngesikhathi esifanayo, ama-winding amaningi angasetshenziswa ukuze kukhishwe ama-voltages ahlukene. Amawindi amathathu azimele axhunywe kugesi wezigaba ezintathu we-AC ngokusebenzisa ukuxhumana okuhlukile (isb., inkanyezi, unxantathu), futhi okukhiphayo nakho kuyafana. Lena i-transformer enezigaba ezintathu.
2, isicelo sihlukile
I-Single-phase transformer: ilungele ukusetshenziswa nokukhuthazwa kumanethiwekhi okusabalalisa amandla aphansi anomthwalo ophansi wokuminyana.
I-transformer yezigaba ezintathu: I-transformer yezigaba ezintathu isetshenziswa kakhulu kumasekhethi ane-AC 50Hz kuya ku-60Hz kanye ne-voltage engaphansi kuka-660V. Isetshenziswa kabanzi ekungeniseni impahla ebalulekile, amathuluzi omshini wokunemba, okokusebenza ngomshini kanye ne-elekthronikhi, okokusebenza kwezokwelapha, izilungisi, izibani, njll.
Ama-voltage ahlukahlukene okokufaka nokuphumayo omkhiqizo, iqembu lokuxhuma, inombolo kanye nendawo yokumisa ompompi bokulungisa (ngokuvamile ± 5%), ukusatshalaliswa komthamo wokuvunguza, ukucushwa kwesigaba sesibili sokuphenduka, ukusebenza kwe- Isekhethi yokulungisa kabusha, noma iyadingeka Ikheseji yangaphandle nokunye okunjalo kungaklanywa ngokucophelela futhi kwenziwe ngokwezidingo zomsebenzisi.
3, izici ezahlukene
I-Single-phase transformer: I-transformer yesigaba esisodwa inesakhiwo esilula, ivolumu encane nokulahlekelwa okuphansi, ikakhulukazi ngenxa yokulahlekelwa kwensimbi encane.
I-transformer yezigaba ezintathu: I-neutral-grounding entsha ye-transformer yezigaba ezintathu ingasusa ukuphazamiseka kwemodi evamile nezinye izinkinga zomugqa omaphakathi kugridi yamandla. I-transformer yezigaba ezintathu iguqula izintambo ezinezintambo ezintathu △ zibe isistimu ye-Y0 enezintambo ezine.
Ukwengezwa kokuvikela kuphinde kuqede ukuphazanyiswa kwe-high-frequency pulse kanye nomsindo ohambisana ne-transformer. Nakuba i-transformer yezigaba ezintathu evikelekile ingavimbela ngokuphumelelayo ukuphazamiseka okuvela kuma-NG ahlukahlukene (umsindo we-pulse kanye ne-high-frequency), i-transformer kufanele ibekwe ngokufanele ngenye indlela. Ukuphazamiseka kwemodi ephikisana nokujwayelekile ngeke kube nomphumela.
Imikhawulo yohlelo lokusebenza
Imikhawulo yezinhlelo zokusebenza ze-transformer yesigaba esisodwa Okokuqala, ama-transformer esigaba esisodwa angasetshenziswa kuphela ekukhanyeni noma kumamotho amancane ngenxa ye-voltage yawo eyodwa. Ibanga lohlelo lokusebenza linemikhawulo. Kodwa-ke, ngenxa yebhizinisi eliseceleni kanye nemihlangano yokucobelelana ngolwazi ezindaweni zasemakhaya zaseShayina, alikwazi ukukhuthazwa kabanzi, okungukuthi, lisetshenziswe, futhi lisetshenziswa kuphela njengesengezo ohlelweni lokuphakelwa kukagesi lwezigaba ezintathu. Kusetshenziswe ama-Single-Phase Transformers. Okokuqala, zisetshenziswa ezindaweni ezijulile zezintaba. Izakhamuzi zihlakazekile, umthwalo kagesi mncane, futhi ngokuyisisekelo akukho ukusetshenziswa kwamandla, okunganciphisa kakhulu ukutshalwa kwezimali kolayini. Okwesibili, isetshenziswa kumalambu asemgwaqweni. Okwesibili, isikhungo se-high-voltage input load esibangelwa i-single-phase transformer siphikiswa kalula ngabantu. Umqondo wezomthetho wabantu uyathuthukiswa, futhi nokukhathazeka ngendawo okuhlala kuyo kubaluleke kakhulu. Akekho umnikazi ofuna umnyango wemboni kagesi uqede "isigxobo sefulegi" phambi komnyango, esinama-transformer kuso, amandla kagesi aphezulu, nomsindo. Ngesikhathi esifanayo, abathengisi bezindlu badinga ugesi kuphela, kodwa bayanqikaza ukuvela epulani yezindawo zabo zamandla. Omunye wesaba imisebe kagesi, omunye ukwesaba ingozi, kanti owesithathu wesaba ukuthikameza indawo. Umkhakha wamandla ukhokhisa ikhaya, futhi ukulahleka kwentambo kuyindaba yomkhakha wamandla. Umnikazi kanye nonjiniyela abaphoqelekile ukuthi banikeze usizo kumkhakha wamandla.
Ngokuvamile, ama-cores amathathu e-transformer yezigaba ezintathu azungeze ama-winding amathathu, futhi umthombo wamandla wezigaba ezintathu ungaguqulelwa kanyekanye ube ohlangothini lwesibili lwama-winding, futhi okukhiphayo futhi umthombo wamandla wezigaba ezintathu.
I-single-phase transformer inomoya owodwa kuphela kumongo, futhi ingaguqula amandla esigaba esisodwa kuphela ekuphumeni kwesibili.
Eziteshini ezinkulu nasezitshalweni zamandla, ama-transformer amathathu esigaba esisodwa nawo ahlanganiswe abe yi-transformer eyodwa yezigaba ezintathu, ebizwa ngokuthi "i-combined three-phase transformer".
Ekudluliselweni kwegridi jikelele kanye nokusetshenziswa kwezimboni kwamandla ezigaba ezintathu, ngakho-ke kusetshenziswa ama-transformer ezigaba ezintathu. Ama-transformer esigaba esisodwa ngokuvamile asetshenziswa ezindaweni lapho amandla esigaba esisodwa edingeka khona ukuze kusetshenziswe abantu abavamile, njengempahla yasendlini, njll., futhi umthamo wabo mancane uma kuqhathaniswa.
I-transformer isebenzisa umgomo wokungeniswa kwe-electromagnetic ukushintsha i-voltage ye-AC. Izingxenye eziyinhloko ikhoyili eyinhloko, ikhoyili yesibili kanye nomnyombo (umnyombo). Emishinini kagesi namasekethe angenawaya, imvamisa isetshenziswa njenge-voltage ephakamisayo, i-impedance efanayo, kanye nokuhlukaniswa nokuphepha. Imisebenzi ye-transformer ikakhulukazi ihlanganisa: ukuguqulwa kwe-voltage; ukuguqulwa kwamanje, ukuguqulwa kwe-impedance; ukuzihlukanisa; ukulawulwa kwamandla kagesi (i-magnetic saturation transformer); i-autotransformer; i-high voltage transformer (eyomile namafutha ecwilisiwe), njll. Uhlobo nohlobo lwe-C core, uhlobo lwe-XED, uhlobo lwe-CD yohlobo lwe-ED.
ukubaluleka:
Impahla encane
Ama-transformer esigaba esisodwa esinomthamo ofanayo ancishiswa ngo-20% uma kuqhathaniswa nama-transformer ezigaba ezintathu kanye no-10% ngethusi. Ikakhulukazi lapho kwamukelwa isakhiwo se-coil core, ukulahlekelwa okungekho umthwalo we-transformer kungancishiswa ngaphezu kwe-15%, okuzonciphisa izindleko zokukhiqiza kanye nezindleko zokusebenzisa i-transformer yesigaba esisodwa ngesikhathi esifanayo, ngaleyo ndlela kutholwe izindleko zomjikelezo wempilo ezifanele.
Ukutshalwa kwezimali okuphansi
Ukusetshenziswa kwesistimu yokuphakelwa kwamandla kwesigaba esisodwa kugridi yamandla kungonga ama-33% kuya ku-63% wentambo. Ngokwezibalo zamanje zokuminyana kwezomnotho, isisindo socingo singasindiswa ngo-42%. Ngokwezibalo zamandla emishini, ukusetshenziswa kocingo kungancishiswa ngo-66%. Ngakho-ke, ukutshalwa kwezimali kokwakhiwa kwawo wonke ulayini wokudlulisa kungancishiswa. Lokhu kunengqondo kakhulu ekukhanyisweni kwezindawo zasemakhaya nasemadolobheni aseShayina kanye nokusetshenziswa kukagesi kwezakhamuzi.
Okuhambisana nokukhiqizwa kwesimanje
Ngenxa yesakhiwo sayo esilula, ama-single-phase transformers afaneleka ekukhiqizeni okukhulu kwesimanje, okulungele ukuthuthukisa izinga lomkhiqizo nokusebenza kahle. Okwesine, ilungele ukwethula ubuchwepheshe obusha, izinto ezintsha, izinqubo ezintsha, kanye nokuzuza amaphuzu ezobuchwepheshe. ISeshini Yesihlanu Yomhlangano Wekomidi Elikhulu le-16 le-CPC ihlongoze ukonga izinsiza njengenqubomgomo kazwelonke eyisisekelo, kanye "noHlelo Lweminyaka Eyishumi Nanye Lweminyaka Emihlanu" "Uhlaka" ngokuqhubekayo Esikhathini esiyiminyaka emihlanu, ukusetshenziswa kwamandla ngeyunithi ngayinye ye-GDP kwaba. yehliswe cishe ngama-20% njengenkomba ebophezelayo. Kulo mongo, imikhiqizo emisha enenani eliphezulu elingeziwe izoncishiswa kakhulu. Lapho kubalwa ithiyori yokulahlekelwa ku-inthanethi, kungatholwa ukuthi u-80% wokulahlekelwa komugqa kwenzeka ku-20% womugqa oyinhloko. Ngakho-ke, ukufinyeza ibanga lomugqa omkhulu we-low-voltage kunganciphisa kakhulu ukulahleka kolayini we-low-voltage. Ngenxa yokuthi i-single-phase transformer inesisindo esincane, ingafakwa kalula esigxotsheni. Ingasetshenziswa phakathi nendawo yomthwalo, futhi inganciphisa ukunikezwa kwamandla futhi ithuthukise ikhwalithi yokunikezwa kwamandla. Ngokuvamile, i-single-phase transformer inikwe amandla ebangeni elincane, futhi iphutha linobuso obuncane, okuzuzisa ukuthuthukisa ukuthembeka kokunikezwa kwamandla. Ngesikhathi esifanayo, ngoba i-transformer yesigaba esisodwa ilula ngesisindo, kulula ukuyifaka nokuyigcina, iguquguqukayo ukuyisebenzisa, ingasetshenziswa ku-single-phase noma i-XNUMX-phase three-phase transformers.
Ukutshalwa kwezimali okuncane ekwakheni
Izindleko zama-transformers ziyancipha. Ukwakhiwa kwezinhlelo zokuphakela ugesi zesigaba esisodwa ezindaweni ezilayisha ukukhanya kunganciphisa ukutshalwa kwezimali kwezokwakha. Ukuguqulwa kwezinhlelo zokuphakelwa kukagesi zesigaba esisodwa ezindaweni ezithwala kanzima kudinga ukutshalwa kwezimali okukhulu kwezomnotho. Umlobi ubonile ukuthi amanye ama-transformers esigaba esisodwa ahlolwe ezindaweni zokuhlala, futhi ukuqaliswa kwama-transformers amakhulu ku-transformers amaningi amancane, afakwe eduze nomthwalo, kunciphisa ibanga lomugqa oyinhloko we-voltage ephansi, ngoba ibanga elivela endaweni yamandla. ekulayisheni kuqinisekile, ukufinyeza i-voltage ephansi Ibanga lokuphakelwa kwamandla lizokwelula nakanjani ibanga lokudlulisa amandla kagesi aphezulu. Lolu hlobo lwenguquko ludinga ukutshalwa kwezimali okuningi. Isibonelo, amakhaya angama-30 kumayunithi amathathu okuqala asebenzisa i-160 kVA i-transformer yezigaba ezintathu, kanti amasethi amathathu ama-50 kVA esigaba esisodwa asetshenziselwa ugesi. Ithebula lesi-2 linohlu Izinguquko ezintweni kanye nokulahlekelwa kwezinhlelo ezimbili zokubuyisela kabusha zikhulise kakhulu utshalomali lwezokwakha. Okokuqala, ukuze kuncishiswe ukulahleka kolayini oyinhloko we-low-voltage, ulayini we-voltage ephezulu kufanele ungeniswe esikhungweni sokulayisha ukuze kwandiswe ukutshalwa kwezimali ekwakhiweni kolayini we-voltage ephezulu. Okwesibili, ukulahlekelwa okungenamthwalo kanye nokulahlekelwa komthwalo ngemva kokusebenzisa ama-transformer amaningi amancane amancane kungaphezu kwama-transformer okuqala ane-single-capacity. Okwesithathu, ukuthengwa kwama-transformer amaningi amancane futhi kukhulu kunokuthengwa kwe-transformer eyodwa enkulu. Ngenxa yenani elikhulu likagesi elisetshenziswa izakhamuzi zakwamanye amazwe, izindlu ezimbalwa noma umuzi ngamunye usebenzisa i-transformer yesigaba esisodwa ngenxa yengcebo yezwe kanye nokutshalwa kwezimali okukhulu kwezimali emkhakheni kagesi. Nakuba i-investimenti inkulu, isababiza ngokujwayelekile.
I-single-phase transformer iyi-transformer lapho ama-winding ayisisekelo kanye ne-secondary windings i-single-phase windings.
Ukunikezwa kwamandla okushintshwa kwe-unipolar kusho ukuthi okukhiphayo ku-unipolar, okungukuthi, ukuphuma okuhle nokubi kuphela. Uma kuqhathaniswa ne-bipolar switching power supply, ugesi oshintshashintshayo we-bipolar unemiphumela emithathu, ehlukaniswe yaba ugesi omuhle, ukunikezwa kwamandla okungalungile kanye nomhlabathi. .
I-transformer yesigaba esisodwa inesakhiwo esilula, ivolumu encane nokulahlekelwa okuncane, futhi ngokuyinhloko incane ekulahlekeni kwensimbi, futhi ifaneleka ukusetshenziswa nokukhuthazwa kunethiwekhi yokusabalalisa i-voltage ephansi enesisindo esincane somthwalo. Idolobha laseSuzhou lisebenzise amayunithi angaphezu kuka-1,000 futhi longa u-45GWh kagesi. Okuhlangenwe nakho kufanelekile ukukhuthazwa. Enye idatha ibonisa ukuthi ama-single-phase transformer asetshenziswa kakhulu emazweni athuthukile, njenge-United States ne-Japan. Ukuphakelwa kukagesi kwesigaba esisodwa kuyindlela esemqoka yokuphakela abahlali ugesi. Ngaphansi kwale nkulumo-ze, abanye abantu bacabanga ukuthi ukunikezwa kwamandla kwesigaba esisodwa "kunokulahlekelwa okuwayo". Umlingo, cabanga ukuthi i-single-phase transformer inamandla kakhulu kune-transformer yezigaba ezintathu, nokuthi uhlelo lokunikezwa kwamandla lwesigaba esisodwa lungaphezu kwesistimu yokuphakelwa kwamandla ezigaba ezintathu. Eqinisweni, iziguquli zesigaba esisodwa kanye nezinhlelo zokuphakela ugesi zesigaba esisodwa ziyizinhlobo ezihambisanayo zohlelo lwamanje lokuphakelwa kukagesi lwezigaba ezintathu. Ngenxa yezici zabo, zingasetshenziswa kuphela emikhakheni ethile ethile.
umphumela:
Ukonga amandla okwengeziwe
Ingabe ukulahleka kwe-single-phase transformer kuphansi? Emaphepheni adlule kuma-single-phase transformers kanye ne-single-phase power supply technology, kubhekwa ukuthi ama-transformer esigaba esisodwa anokulahlekelwa okuncane okungekho umthwalo, ukusetshenziswa kwamandla okuphansi, nokulahlekelwa okuphansi kunama-transformers ezigaba ezintathu zomthamo ofanayo. Amanye amaphepha asho izibonelo zezinhlelo zokusebenza, ekhuluma ngezinzuzo zezomnotho zokubuyisela kabusha, kusetshenziswa i-D10, i-D11 noma i-D12 yochungechunge lwe-transformers kanye nama-S9 series transformers anamandla afanayo, isibonelo, isho umthamo ofanayo we-D11 yesigaba esisodwa se-transformer kune-S9 three Phase transformers ibe nayo. ukulahlekelwa okuncane kakhulu okungenamthwalo, ngakho-ke kuwukungaqondi ukuthi ama-transformer esigaba esisodwa ayonga kakhulu kunama-transformer ezigaba ezintathu. Isibonelo, umehluko wezinga lobuchwepheshe phakathi kwalokhu kokubili awunakwa. Ngokusho kwe-JB/T3837-1996 "Indlela Yokushintshanisa Yezibonelo Zomkhiqizo we-Transformer", izinga lokusebenza lemodeli ye-transformer licacisiwe, kanye nemingcele yokusebenza yeNombolo 1 Ukuze iphakanyiswe ezingeni elisha. Isibonelo, i-transformer yochungechunge lwe-D10 iklanyelwe ngokuvumelana nemingcele ye-transformer ye-S10. Uma ubonisa umphumela wokunciphisa ukulahlekelwa kwama-transformer ochungechunge afana ne-D10 noma i-D11, i-transformer ye-S10 noma i-S11 yohlobo olufanayo kufanele ikhethwe ukuze iqhathaniswe. Akulungile ukukhetha i-S9 series transformer njengento eyireferensi. .
Ngaphezu kwalokho, ama-transformer ajwayelekile e-S9 series asebenzisa i-stacked iron core structure, kuyilapho i-D10, i-D11 njalo njalo isebenzisa isakhiwo somgogodla wesilonda: umongo wensimbi oyisitaki kanye nensimbi yesilonda kunomehluko ohlukile wezobuchwepheshe, futhi isakhiwo somgogodla wesilonda sinqoba Okungenakunqotshwa. ububi besakhiwo esijwayelekile esinqwabelene esivamile, isibonelo, ku-lamination ewumgogodla, ubude bemigudu kazibuthe ohlangothini olungaphandle nohlangothi lwangaphakathi bukhulu ngokuqhathaniswa, ukuze i-flux kazibuthe ingasatshalaliswa ngokulinganayo esiqeshini sensimbi, futhi iphakeme. Ama-harmonics akhiqizwa. Igagasi liphumela ekwenyukeni kokulahlekelwa. Esigabeni sensimbi esinezigaba ezintathu, endaweni yokuphambana kwejoka lensimbi kanye nekholomu eyinhloko yesigaba B, kukhiqizwa inkambu yamagnetic ejikelezayo ngenxa yamandla ezigaba ezintathu ze-magnetomotive ukwandisa ukulahlekelwa, futhi kukhona umthungo. endaweni ehlangene ye-butt phakathi kwe-iron core laminations. Ngaphakathi kwendawo yomthungo, kukhona ukugeleza kazibuthe okunqamula ama-laminations eceleni ukuze kwandiswe ukulahlekelwa. Ngakho-ke, i-transformer yomgogodla wesilonda inokulahlekelwa okuncane okungalayishwa futhi okungaphansi komthwalo wamanje kune-iron core transformer ehlanganisiwe. Ngaphezu kokuhluka kwesisindo se-11-model 100 kVA umthamo we-coil core sealed transformer yesigaba esisodwa kanye nesigaba esisodwa se-coil core transformer, izinkomba zobuchwepheshe azibonakali. Ngakho-ke, isiphetho sokuthi ama-single-phase transformers abelokhu ewonakele kancane futhi ukonga amandla kunama-transformers ezigaba ezintathu akunasisekelo.
Ukulahleka komugqa ophansi
Ingabe imodi yokuphakelwa kwamandla yesigaba esisodwa iphansi? Ngokusho kwesimiso sesifunda, ibanga elifanayo lihanjiswa ngamandla afanayo P, isici samandla singu-1, futhi ukulahlekelwa komugqa wemodi yokuphakelwa kwamandla ezigaba ezintathu kanye nemodi yokunikeza amandla yesigaba esisodwa kanje. Cabanga ukuthi ucingo lwesigaba esifanayo sesiphambano sisetshenziswa futhi ukuphikiswa kocingo kungu-R. I-transformer yesigaba esisodwa inikwe amandla imodi yezintambo ezimbili. Lapho amandla P alethwa, okwamanje esigabeni kanye nemigqa engathathi hlangothi ithi I, futhi ukulahleka komugqa okuwumphumela kungu-P ukulahlekelwa okukodwa = 2I^2R. I-transformer enezigaba ezintathu inikwa amandla yimodi yezintambo ezine ezinezigaba ezintathu. Lapho amandla P alethwa, isigaba samanje emugqeni sithi I/3. Esimweni esihle, akukho okwamanje emgqeni ongathathi hlangothi, futhi isigaba sesigaba sesigaba se-P sokulahlekelwa = (I/3) 2R = I2R/9.
Kule modi, ukulahlekelwa komugqa kungu-P ukulahlekelwa okuthathu = 3 × (I / 3) 2R = I2R / 3. Kungabonakala ekubalweni ukuthi ukulahlekelwa komugqa wemodi yokuphakelwa kwamandla kwezigaba ezintathu kuphansi kakhulu, futhi Imodi yokuphakelwa kwamandla yesigaba esisodwa iphakeme ngokuphindwe kasithupha kunesistimu yamandla enezintambo ezintathu. Kungabonakala ukuthi imodi yokuphakelwa kwamandla yesigaba esisodwa ayinanzuzo ekunciphiseni ukulahlekelwa kolayini kumodi yokuphakelwa kwamandla ezigaba ezintathu.
