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Gawo la 3 kukhala gawo limodzi losinthira

Gawo la 3 kukhala gawo limodzi losinthira

Transformer ya magawo atatu: Kuti mulowetse ma voltages osiyanasiyana, mapindikidwe olowera amathanso kugwiritsa ntchito ma windings angapo kuti agwirizane ndi ma voltages osiyanasiyana. Panthawi imodzimodziyo, ma windings angapo angagwiritsidwe ntchito pofuna kutulutsa ma voltages osiyanasiyana. Mapiritsi atatu odziyimira pawokha amalumikizidwa ndi magawo atatu amagetsi a AC kudzera pazolumikizana zosiyanasiyana (mwachitsanzo, nyenyezi, makona atatu), ndipo zotulutsa zake ndizofanana. Ichi ndi chosinthira magawo atatu.

Single-phase transformer: Chipangizo chomwe chimagwiritsa ntchito mfundo ya electromagnetic induction kusintha mphamvu ya AC. Zigawo zazikuluzikulu ndi koyilo yoyamba, koyilo yachiwiri, ndi pachimake (pachimake). Pazida zamagetsi ndi mabwalo opanda zingwe, nthawi zambiri amagwiritsidwa ntchito ngati kukweza magetsi, kufananiza kofananira, komanso kudzipatula kwachitetezo.

Kusintha kwa gawo limodzi la magawo atatu ndi thiransifoma yomwe imatembenuza magawo atatu kukhala gawo limodzi. The transformer input maximum phase panopa ndi kawiri panopa wa gawo lina. Ikhoza kuchepetsa gawo limodzi la 220V katundu panopa ndi 40%; gawo limodzi la 380V katundu wamakono ali ndi gawo lofananira pakali pano, pamene magawo awiri ena ndi 50% a pazipita gawo limodzi panopa. Ndiwokwera mtengo kuposa chosinthira chodzipatula. Amagwiritsidwa ntchito kwambiri panthawi yamakampani ogulitsa mafakitale ndi migodi kuti athetse vuto la kusalinganika kwakukulu kwa magawo atatu apano. Magawo atatu mpaka gawo limodzi thiransifoma Mndandanda wazinthuzi ndi woyenera AC 50/60Hz voteji yogwira ntchito pansi pa 600V. Mndandanda wa kalasi yotsutsa kutentha kwa transformer ndi F grade. Chosinthira cha magawo atatu chagawo limodzi chimapangidwa ndikuyika mapepala achitsulo apamwamba kwambiri a silicon, ndipo mawonekedwe ake amatengera silinda, silinda ya elliptical ndi silinda yamakona anayi. Kukula kochepa, ntchito yabwino kwambiri, yotetezeka komanso yodalirika.

Gawo la 3 kukhala gawo limodzi losinthira

Ndi anthu owerengeka omwe amadziwa kuti ndi chiyani chomwe chimagwiritsidwa ntchito pa thiransifoma ya gawo limodzi la magawo atatu? Chifukwa ogula kwenikweni salabadira zomwe zimagwira ntchito, ntchito, zipangizo, ndi zina zotero, zimangoganizira zamtengo wapatali, zomwe zimapangitsa kuti anthu ochepa amvetse mfundo yogwira ntchito ya thiransifoma ya gawo limodzi la magawo atatu.
Nthawi zambiri, ma cores atatu a thiransifoma ya magawo atatu amazunguliridwa mozungulira ma windings atatu, ndipo gwero lamagetsi la magawo atatu limatha kusinthidwa nthawi imodzi kukhala mafunde achiwiri, ndipo kutulutsa kwake ndi gawo lamphamvu la magawo atatu. Transformer yokhala ndi gawo limodzi imakhala ndi chimphepo chimodzi chokha pachimake, ndipo imatha kusintha mphamvu ya gawo limodzi ku gawo lachiwiri. M'malo akuluakulu ndi magetsi, ma transformer atatu a gawo limodzi amaphatikizidwanso kukhala gawo limodzi la magawo atatu, lotchedwa "combined three-phase transformers." Nthawi zambiri, magetsi a magawo atatu amagwiritsidwa ntchito potumiza gridi yamagetsi ndikugwiritsa ntchito mafakitale, kotero zosinthira magawo atatu zimagwiritsidwa ntchito. Transformer ya gawo limodzi imagwiritsidwa ntchito m'malo omwe magetsi a gawo limodzi amafunikira kuti agwiritse ntchito anthu wamba, monga zida zapakhomo, ndi zina zambiri, ndipo mphamvu yake ndi yaying'ono. Nthawi zambiri, ma cores atatu a thiransifoma ya magawo atatu amazunguliridwa mozungulira makhoma atatu, ndipo mphamvu zamagawo atatu zimatha kusinthidwa nthawi imodzi. Kukanikizidwa ku mafunde achiwiri, zotulukazo zimakhalanso ndi magawo atatu amagetsi. Transformer yokhala ndi gawo limodzi imakhala ndi chimphepo chimodzi chokha pachimake, ndipo imatha kusintha mphamvu ya gawo limodzi ku gawo lachiwiri. M'malo akuluakulu ndi magetsi, ma transformer atatu a gawo limodzi amaphatikizidwanso kukhala gawo limodzi la magawo atatu, lotchedwa "combined three-phase transformers." Nthawi zambiri, magetsi a magawo atatu amagwiritsidwa ntchito potumiza gridi yamagetsi ndikugwiritsa ntchito mafakitale, kotero zosinthira magawo atatu zimagwiritsidwa ntchito. Ma transformer a gawo limodzi amagwiritsidwa ntchito m'malo omwe mphamvu ya gawo limodzi imafunikira kuti anthu wamba agwiritse ntchito, monga zida zapakhomo, ndi zina zambiri, ndipo mphamvu zawo ndizochepa.

Gawo la 3 kukhala gawo limodzi losinthira

Kusiyana pakati pa thiransifoma ya gawo limodzi ndi thiransifoma ya magawo atatu
1, tanthauzo ndi losiyana
Single-phase transformer: Chipangizo chomwe chimagwiritsa ntchito mfundo ya electromagnetic induction kusintha mphamvu ya AC. Zigawo zazikuluzikulu ndi koyilo yoyamba, koyilo yachiwiri, ndi pachimake (pachimake). Pazida zamagetsi ndi mabwalo opanda zingwe, nthawi zambiri amagwiritsidwa ntchito ngati kukweza magetsi, kufananiza kofananira, komanso kudzipatula kwachitetezo.
Transformer ya magawo atatu: Kuti mulowetse ma voltages osiyanasiyana, mapindikidwe olowera amathanso kugwiritsa ntchito ma windings angapo kuti agwirizane ndi ma voltages osiyanasiyana. Panthawi imodzimodziyo, ma windings angapo angagwiritsidwe ntchito pofuna kutulutsa ma voltages osiyanasiyana. Mapiritsi atatu odziyimira pawokha amalumikizidwa ndi magawo atatu amagetsi a AC kudzera pazolumikizana zosiyanasiyana (mwachitsanzo, nyenyezi, makona atatu), ndipo zotulutsa zake ndizofanana. Ichi ndi chosinthira magawo atatu.

2, kugwiritsa ntchito ndi kosiyana

Single-phase transformer: yoyenera kugwiritsidwa ntchito ndi kukwezedwa pama network otsika otsika kwambiri okhala ndi kachulukidwe kakang'ono.

Transformer ya magawo atatu: Transformer ya magawo atatu imagwiritsidwa ntchito kwambiri m'mabwalo okhala ndi AC 50Hz mpaka 60Hz ndi voteji pansi pa 660V. Amagwiritsidwa ntchito kwambiri poitanitsa zida zofunika, zida zamakina olondola, zida zamakina ndi zamagetsi, zida zamankhwala, zowongolera, zowunikira, ndi zina zambiri.

Mitundu yosiyanasiyana yolowera ndi kutulutsa kwa chinthucho, gulu lolumikizira, kuchuluka ndi malo a matepi osinthira (nthawi zambiri ± 5%), kugawa kwamphamvu yomangira, kasinthidwe ka mafunde achiwiri agawo limodzi, magwiridwe antchito a rectifier circuit, kaya ikufunika Chophimba chakunja ndi zina zotero zimatha kupangidwa mosamala ndikupangidwa molingana ndi zomwe wogwiritsa ntchito akufuna.

3, makhalidwe osiyana
Single-phase transformer: Single-phase transformer ili ndi dongosolo losavuta, voliyumu yaying'ono komanso kutayika kochepa, makamaka chifukwa cha kuchepa kwachitsulo kochepa.
Transformer ya magawo atatu: Kusintha kwatsopano kosalowerera ndale kwa thiransifoma ya magawo atatu kumatha kuchotsa kusokoneza wamba ndi zovuta zina zapakatikati mu gridi yamagetsi. Transformer ya magawo atatu imasintha mawaya atatu △ mawaya kukhala mawaya anayi Y0 system.
Kuwonjezera kwa chitetezo kumachotsanso kusokoneza kwapamwamba kwa phokoso ndi phokoso lophatikizidwa ndi transformer. Ngakhale kuti thiransifoma yotetezedwa ya magawo atatu imatha kuteteza kusokoneza kwa ma NG osiyanasiyana (phokoso la pulse ndi high-frequency), transformer iyenera kukhazikitsidwa bwino mosiyana. Kusokoneza kwa Anti-common mode sikudzakhala ndi zotsatira.

Zolepheretsa ntchito
Zochepa zogwiritsira ntchito thiransifoma ya gawo limodzi Choyamba, zosinthira zagawo limodzi zitha kugwiritsidwa ntchito pakuwunikira kapena ma mota ang'onoang'ono chifukwa chamagetsi awo amodzi. Mndandanda wa mapulogalamu uli ndi malire. Komabe, chifukwa cha bizinesi yam'mbali ndi zokambirana m'madera akumidzi aku China, sizingakwezedwe kwambiri, ndiko kuti, zimagwiritsidwa ntchito, ndipo zimangogwiritsidwa ntchito ngati chowonjezera pamagetsi atatu. Ma transformer agawo limodzi agwiritsidwa ntchito. Choyamba, amagwiritsidwa ntchito m'madera akuya amapiri. Anthu okhalamo amwazikana, mphamvu yamagetsi ndi yaying'ono, ndipo kwenikweni palibe ntchito yamagetsi, yomwe ingachepetse kwambiri ndalama za mzere. Chachiwiri, amagwiritsidwa ntchito pa nyali za pamsewu. Kachiwiri, malo olowetsa magetsi okwera kwambiri omwe amapangidwa ndi thiransifoma ya gawo limodzi amakanidwa mosavuta ndi anthu. Lingaliro lazamalamulo la anthu likuwongoleredwa, ndipo kudera nkhaŵa malo okhalako kulinso kofunika kwambiri. Palibe mwiniwake yemwe amafuna kuti dipatimenti yamakampani amagetsi izule "ndondomeko" kutsogolo kwa chitseko, ndi ma transformer pamenepo, mphamvu yayikulu yamagetsi, komanso phokoso. Panthawi imodzimodziyo, amalonda ogulitsa nyumba amangofuna magetsi, koma amazengereza kuwonekera pazithunzi za zipangizo zawo zamagetsi. Wina akuwopa ma radiation a electromagnetic, wina akuwopa ngozi, ndipo wachitatu akuwopa kukhudza malo. Gawo lamagetsi limalipira nyumbayo, ndipo kutayika kwa chingwe ndi nkhani ya gawo lamagetsi. Mwiniwake ndi wopanga sakukakamizika kupereka mwayi kwa gawo lamagetsi.

Gawo la 3 kukhala gawo limodzi losinthira

Nthawi zambiri, ma cores atatu a thiransifoma ya magawo atatu amazunguliridwa mozungulira ma windings atatu, ndipo gwero lamagetsi la magawo atatu limatha kusinthidwa nthawi imodzi kukhala mafunde achiwiri, ndipo kutulutsa kwake ndi gawo lamphamvu la magawo atatu.
Transformer yokhala ndi gawo limodzi imakhala ndi chimphepo chimodzi chokha pachimake, ndipo imatha kusintha mphamvu ya gawo limodzi ku gawo lachiwiri.
M'magawo akuluakulu ndi magetsi, otembenuza atatu a gawo limodzi amaphatikizidwanso kukhala gawo limodzi la magawo atatu, lotchedwa "combined three-phase transformer".
M'magawo onse a gridi ndikugwiritsa ntchito mphamvu zamagawo atatu, ma transfoma amagawo atatu amagwiritsidwa ntchito. Ma transformer a gawo limodzi amagwiritsidwa ntchito m'malo omwe mphamvu ya gawo limodzi imafunikira kuti anthu wamba agwiritse ntchito, monga zida zapakhomo, ndi zina zambiri, ndipo mphamvu zawo ndizochepa.

Transformer imagwiritsa ntchito mfundo ya electromagnetic induction kuti isinthe voteji ya AC. Zigawo zazikuluzikulu ndi koyilo yoyamba, koyilo yachiwiri ndi pachimake (pachimake). Pazida zamagetsi ndi mabwalo opanda zingwe, nthawi zambiri amagwiritsidwa ntchito ngati kukweza magetsi, kufananiza kofananira, komanso kudzipatula kwachitetezo. Ntchito za thiransifoma makamaka zikuphatikizapo: kutembenuka kwamagetsi; kutembenuka kwamakono, kusintha kwa impedance; kudzipatula; mphamvu yamagetsi (maginito machulukitsidwe thiransifoma); autotransformer; mkulu voteji thiransifoma (zouma ndi mafuta kumizidwa), etc. Mtundu ndi C mtundu pachimake, XED mtundu, ED mtundu CD mtundu.

tanthauzo:
Zinthu zochepa
Zosintha zamtundu umodzi wa mphamvu zomwezo zimachepetsedwa ndi 20% poyerekeza ndi otembenuza magawo atatu ndi 10% ndi mkuwa. Makamaka pamene coil pachimake dongosolo anatengera, palibe katundu kutaya thiransifoma akhoza kuchepetsedwa ndi oposa 15%, amene kuchepetsa mtengo kupanga ndi mtengo ntchito ya thiransifoma gawo limodzi nthawi yomweyo, potero kupeza ndalama zoyendetsera moyo wabwino.
Low line Investment
Kugwiritsa ntchito gawo limodzi lamagetsi mu gridi yamagetsi kumatha kupulumutsa 33% mpaka 63% ya waya. Malinga ndi mawerengedwe a kachulukidwe kachuma, kulemera kwa waya kumatha kupulumutsidwa ndi 42%. Malinga ndi kuwerengera mphamvu zamakina, kugwiritsa ntchito waya kumatha kuchepetsedwa ndi 66%. Chifukwa chake, ndalama zomanga za mzere wonse wotumizira zitha kuchepetsedwa. Izi ndizofunikira kwambiri pakuwunikira madera akumidzi ndi matauni ku China komanso kugwiritsa ntchito magetsi kwa anthu okhalamo.

Zothandizira kupanga zamakono
Chifukwa cha mawonekedwe ake osavuta, osinthira agawo limodzi ndi oyenera kupanga zazikulu zamakono, zomwe zimathandizira kuwongolera bwino kwazinthu komanso magwiridwe antchito. Chachinayi, ndi oyenera kubweretsa matekinoloje atsopano, zida zatsopano, njira zatsopano, ndikupeza mfundo zaukadaulo. Gawo lachisanu la Plenary Session ya 16th CPC Central Committee ikufuna kupulumutsa chuma ngati mfundo zofunika za dziko, ndi "Eleventh Five-year Plan" ya "Outline" mopitilira muzaka zisanu, kugwiritsa ntchito mphamvu pagawo lililonse la GDP kunali kuchepetsedwa ndi 20% ngati chizindikiro chomangirira. M'nkhaniyi, zinthu zatsopano zomwe zili ndi mtengo wowonjezera zidzachepetsedwa kwambiri. Powerengera malingaliro otayika pa intaneti, zitha kupezeka kuti 80% ya kutayika kwa mzere kumachitika pamzere waukulu wa 20%. Chifukwa chake, kufupikitsa mtunda wa mzere wocheperako wamagetsi otsika kumatha kuchepetsa kutayika kwa mzere wamagetsi otsika. Chifukwa thiransifoma ya gawo limodzi ndiyopepuka, imatha kuyika pamtengo. Itha kugwiritsidwa ntchito pakati pa katunduyo, ndipo imatha kuchepetsa mphamvu zamagetsi ndikuwongolera mphamvu yamagetsi. Kawirikawiri, transformer ya gawo limodzi imayendetsedwa pang'onopang'ono, ndipo cholakwikacho chimakhala ndi malo ang'onoang'ono, omwe amapindulitsa kupititsa patsogolo kudalirika kwa magetsi. Pa nthawi yomweyo, chifukwa thiransifoma gawo limodzi ndi wopepuka kulemera, zosavuta kukhazikitsa ndi kusamalira, kusinthasintha ntchito, angagwiritsidwe ntchito mu gawo limodzi kapena atatu gawo atatu thiransifoma.

Kuchepetsa ndalama zomanga
Mtengo wa thiransifoma wachepetsedwa. Kupanga makina opangira magetsi a gawo limodzi m'malo opepuka amatha kuchepetsa ndalama zomanga. Kusintha kwa magawo amagetsi a gawo limodzi m'malo olemetsa kumafuna ndalama zambiri zachuma. Wolembayo adawona kuti otembenuza ena a gawo limodzi amayesedwa m'madera okhalamo, ndipo kukhazikitsidwa kwa thiransifoma zazikulu kukhala ma transformer angapo ang'onoang'ono, omwe amaikidwa pafupi ndi katunduyo, amafupikitsa mtunda wa mzere waukulu wamagetsi otsika, chifukwa mtunda wochokera kumalo opangira magetsi. kwa katundu ndi wotsimikiza, kufupikitsa otsika voteji Kupereka mphamvu mtunda mosalephera adzatalikitsa mkulu-voteji kufala mtunda. Kusintha kwamtunduwu kumafuna ndalama zambiri. Mwachitsanzo, mabanja 30 m'magawo atatu oyambirira amagwiritsa ntchito thiransifoma imodzi ya 160 kVA ya magawo atatu, ndipo ma seti atatu a 50 kVA osinthira gawo limodzi amagwiritsidwa ntchito popereka magetsi. Table 2 yandandalika Kusintha kwa zida ndi kutayika kwa njira ziwiri zobweza ndalama zakulitsa kwambiri ndalama zomanga. Choyamba, kuti muchepetse kutayika kwa mzere wa mzere wochepa wamagetsi otsika kwambiri, mzere wothamanga kwambiri uyenera kulowetsedwa mu malo onyamula katundu kuti awonjezere ndalama pomanga mzere wamagetsi. Chachiwiri, kutayika kwapang'onopang'ono komanso kutaya katundu pambuyo pogwiritsira ntchito ma transformers angapo ang'onoang'ono ndi ochuluka kuposa oyambirira omwe ali ndi mphamvu imodzi. Chachitatu, kugulidwa kwa ma transformer angapo ang'onoang'ono kumakhalanso kwakukulu kuposa kugula kwa transformer imodzi yaikulu. Chifukwa cha kuchuluka kwa magetsi ogwiritsidwa ntchito ndi anthu okhala m'mayiko akunja, angapo kapena banja lililonse limagwiritsa ntchito thiransifoma ya gawo limodzi chifukwa cha chuma cha dzikoli komanso ndalama zambiri zogulira magetsi. Ngakhale kuti ndalamazo ndi zazikulu, zimakhala zotsika mtengo kwa iwo onse.

 

Gawo la 3 kukhala gawo limodzi losinthira

Transformer yokhala ndi gawo limodzi ndi thiransifoma momwe mafunde oyambira ndi mafunde achiwiri amakhala mafunde agawo limodzi.
Mphamvu yosinthira unipolar imatanthawuza kuti zotulutsazo ndi za unipolar, ndiko kuti, zabwino zokha ndi zoipa. Poyerekeza ndi mphamvu ya bipolar switching power supply, bipolar switching power supply ili ndi zotuluka zitatu, zomwe zimagawidwa kukhala magetsi abwino, magetsi oipa ndi nthaka. .
Transformer ya gawo limodzi ili ndi dongosolo losavuta, voliyumu yaying'ono komanso kutayika kochepa, ndipo imakhala yaying'ono pakutayika kwachitsulo, ndipo ndiyoyenera kugwiritsa ntchito ndi kukwezedwa pamakina ogawa otsika kwambiri okhala ndi kachulukidwe kakang'ono ka katundu. Mzinda wa Suzhou wagwiritsa ntchito mayunitsi opitilira 1,000 ndikusunga magetsi 45GWh. Chochitikacho ndi choyenera kukwezedwa. Deta ina imasonyeza kuti otembenuza gawo limodzi amagwiritsidwa ntchito kwambiri m'mayiko otukuka, monga United States ndi Japan. Mphamvu yamagetsi yagawo limodzi ndiyo njira yayikulu yoperekera magetsi kwa anthu okhalamo. Pansi pa mabodza awa, anthu ena amaganiza kuti magetsi a gawo limodzi ali ndi "kutaya kwambiri". Matsenga, ganizirani kuti thiransifoma ya gawo limodzi imakhala yopatsa mphamvu kuposa yosinthira magawo atatu, komanso kuti gawo limodzi lamagetsi limakhala lopambana kuposa magawo atatu amagetsi. M'malo mwake, zosintha zagawo limodzi ndi zida zamagetsi zagawo limodzi ndizongowonjezera zomwe zili mugawo lachitatu lamagetsi. Chifukwa cha mawonekedwe awo, amatha kugwiritsidwa ntchito kumadera ena apadera.

zotsatira:
Kugwiritsa ntchito mphamvu zambiri
Kodi kutayika kwa thiransifoma wagawo limodzi kuli kochepa? M'mapepala am'mbuyomu pa osinthika a gawo limodzi ndi ukadaulo wamagetsi agawo limodzi, amaonedwa kuti osinthira magawo amodzi amakhala ndi zotayika zochepa zopanda katundu, kugwiritsa ntchito mphamvu pang'ono, komanso kuchepa kwapang'onopang'ono kuposa magawo atatu amtundu womwewo. Mapepala ena amatchula zitsanzo za ntchito, kutchula ubwino chuma retrofitting, ntchito D10, D11 kapena ngakhale D12 mndandanda thiransifoma ndi S9 mndandanda tiransifoma wa mphamvu yomweyo, mwachitsanzo, kutchula mphamvu yomweyo D11 single-gawo thiransifoma kuposa S9 atatu Phase thiransifoma ali nawo. kutayika kwapang'onopang'ono kopanda katundu, kotero ndikusamvetsetsa kuti osintha magawo amodzi amakhala ndi ndalama zambiri kuposa osinthira magawo atatu. Mwachitsanzo, kusiyana kwaumisiri pakati pa ziwirizi kumanyalanyazidwa. Malingana ndi JB / T3837-1996 "Modulation Method for Transformer Product Models", mlingo wa ntchito ya transformer model umatchulidwa, ndi magawo a ntchito ya No. Mwachitsanzo, thiransifoma ya D1 idapangidwa molingana ndi magawo a S10. Posonyeza zotsatira za kuchepetsa kutayika kwa ma transfoma angapo monga D10 kapena D10, S11 kapena S10 transformer yamtundu womwewo iyenera kusankhidwa kuti ifanane. Ndizosalungama kusankha chosinthira cha S11 ngati chinthu chofotokozera. .
Kuphatikiza apo, osinthira wamba a S9 amagwiritsa ntchito chitsulo chokhazikika, pomwe D10, D11 ndi zina zambiri amagwiritsa ntchito mawonekedwe apakati pa bala: pachimake chachitsulo chokhazikika komanso pachilonda chachitsulo chimakhala ndi kusiyana kosiyanasiyana kwaukadaulo, ndipo mawonekedwe apakati pa bala amapambana osagonjetseka. kuipa kwa ochiritsira zaunikidwa pachimake dongosolo Mwachitsanzo, mu pachimake lamination, utali wa njira maginito mbali yakunja ndi mbali ya mkati ndi lalikulu, kotero kuti maginito flux si wogawana anagawira chitsulo chidutswa, ndi mkulu. ma harmonics amapangidwa. Mphunoyi imabweretsa kuwonjezeka kwa kutaya. Pakatikati pazitsulo zazitsulo zitatu, m'mphepete mwa goli lachitsulo ndi gawo la B-gawo loyambira, mphamvu yozungulira maginito imapangidwa chifukwa cha mphamvu yamagetsi yamagulu atatu kuti iwonjezere kutayika, ndipo pali msoko. pa matako olowa pakati pa chitsulo pakati laminations. Mkati mwa chigawo cha msoko, pali kusinthasintha kwa maginito komwe kumadutsa ma lamination cham'mbali kuti awonjezere kuwonongeka. Choncho, bala pachimake thiransifoma ali zochepa palibe katundu imfa ndi zochepa palibe katundu panopa kuposa zakhala zikuzunza m'miyoyo chitsulo pakati thiransifoma. Kuwonjezera kulemera kusiyana 11 chitsanzo 100 kVA mphamvu magawo atatu koyilo pachimake losindikizidwa thiransifoma ndi limodzi gawo koyilo pachimake thiransifoma, zizindikiro luso si zoonekeratu. Choncho, mfundo yakuti osinthira amtundu umodzi nthawi zonse akhala akuwonongeka pang'ono komanso kupulumutsa mphamvu kuposa otembenuza magawo atatu alibe maziko.

Kutayika kwa mzere wotsika
Kodi njira yoperekera magetsi yagawo limodzi ndiyotsika? Malinga ndi mfundo ya dera, mtunda womwewo umaperekedwa ndi mphamvu yomweyo P, mphamvu yamagetsi ndi 1, ndipo kutayika kwa mzere wa magawo atatu amagetsi ndi njira imodzi yamagetsi ndi motere. Tangoganizani kuti waya wa gawo lomwelo la mtanda amagwiritsidwa ntchito ndipo kukana kwa waya ndi R. The single-phase transformer imayendetsedwa ndi ma waya awiri. Pamene mphamvu P imaperekedwa, panopa mu gawo ndi mizere yosalowerera ndale ndi ine, ndipo kutayika kwa mzere ndi P kutayika kamodzi = 2I ^ 2R. Transformer ya magawo atatu imayendetsedwa ndi magawo atatu amawaya anayi. Mphamvu P ikaperekedwa, gawo lomwe lili pamzere ndi I/3. Mu chikhalidwe chabwino, palibe panopa mu mzere wosalowerera ndale, ndi gawo-gawo P-phase imfa = (I/3) 2R = I2R/9.
Munjira iyi, kutayika kwa mzere ndi P zitatu zotayika = 3 × (I / 3) 2R = I2R / 3. Zitha kuwoneka kuchokera kuwerengera kuti kutayika kwa mzere wa magawo atatu amagetsi ndikotsika kwambiri, ndipo single-phase power supply mode ndi kasanu ndi kamodzi kuposa mphamvu yama waya atatu. Zitha kuwoneka kuti njira yamagetsi yagawo limodzi ilibe mwayi wochepetsera kutayika kwa mzere mu gawo la magawo atatu amagetsi.

Gawo la 3 kukhala gawo limodzi losinthira

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