1. Kodi thiransifoma imasintha bwanji magetsi?
Transformer imapangidwa kutengera electromagnetic induction. Zimapangidwa ndi chitsulo chachitsulo chopangidwa ndi zitsulo zachitsulo za silicon (kapena mapepala a zitsulo za silicon) ndi ma seti awiri a ma coil omwe amabala pakatikati pachitsulo. Pakatikati pachitsulo ndi ma coils ndi insulated wina ndi mzake ndipo alibe magetsi.
Zatsimikiziridwa mwachidziwitso kuti chiŵerengero cha voteji pakati pa koyilo yoyamba ndi koyilo yachiwiri ya thiransifoma chikugwirizana ndi chiwerengero cha kutembenuka kwa koyilo yoyamba ndi koyilo yachiwiri, yomwe ingasonyezedwe ndi ndondomeko yotsatirayi: koyilo yoyamba. voteji/wachiwiri koyilo yamagetsi = kutembenuka koyambira koyambira / kutembenuka kwachiwiri. Kutembenuka kochulukira, mphamvu yamagetsi imakwera. Chifukwa chake, zitha kuwoneka kuti ngati koyilo yachiwiri ili yochepa kuposa koyilo yoyamba, ndi chosinthira chotsika. M'malo mwake, ndi transfoma yowonjezera.
2. Kodi pali ubale wotani pakati pa koyilo yoyamba ndi koyilo yachiwiri ya thiransifoma?
Pamene thiransifoma ikuyenda ndi katundu, kusintha kwa koyilo yachiwiri kumapangitsa kusintha kofanana ndi koyilo yoyamba. Malinga ndi mfundo ya maginito kuthekera bwino, ndi inversely molingana ndi panopa wa koyilo pulayimale ndi sekondale. Pakali pano kumbali yokhala ndi matembenuzidwe ambiri ndi ang'onoang'ono, ndipo panopa kumbali yocheperapo ndi yokulirapo.
Itha kuwonetsedwa ndi njira iyi: koyilo yoyamba / yachiwiri yapano = kutembenuka kwa koyilo yachiwiri/kutembenuka koyambira koyambira.
3. Kodi mungatsimikizire bwanji kuti thiransifoma ili ndi mphamvu yamagetsi?
Mphamvu yamagetsi yokwera kwambiri kapena yotsika kwambiri imakhudza magwiridwe antchito komanso moyo wautumiki wa thiransifoma, chifukwa chake kuwongolera ma voltage ndikofunikira.
Njira yoyendetsera magetsi ndikutulutsa matepi angapo mu coil yoyamba ndikulumikiza ndi chosinthira chapampopi. Chosinthira chapampopi chimasintha kuchuluka kwa kutembenuka kwa koyilo potembenuza ma contact. Malingana ngati malo a chosinthira chapampopi atembenuzidwa, mtengo wamagetsi wofunikira ukhoza kupezeka. Zindikirani kuti kuwongolera magetsi nthawi zambiri kumayenera kuchitidwa katundu wolumikizidwa ndi thiransifoma atadulidwa.
4. Ndi zotani zotayika za thiransifoma pakugwira ntchito? Kodi kuchepetsa zomvetsa?
Zowonongeka mu ntchito ya transformer zili ndi magawo awiri:
(1) Zimayamba chifukwa cha chitsulo. Koyiloyo ikapatsidwa mphamvu, mizere yamphamvu ya maginito imasinthasintha, zomwe zimapangitsa kuti eddy current ndi hysteresis ziwonongeke pakatikati pachitsulo. Kutayika kumeneku kumatchedwa kuti iron loss.
(2) Zimayamba chifukwa cha kukana kwa koyilo yokha. Pamene panopa ikudutsa muzitsulo zoyambirira ndi zachiwiri za transformer, kutaya mphamvu kudzapangidwa. Kutayika kumeneku kumatchedwa kutayika kwa mkuwa.
Kuwonongeka kwachitsulo ndi kutayika kwa mkuwa ndiko kutayika kwa thiransifoma. Zotayika izi zikugwirizana ndi mphamvu ya transformer, magetsi ndi kugwiritsa ntchito zipangizo. Chifukwa chake, posankha thiransifoma, mphamvu yazidayo iyenera kukhala yogwirizana ndi kagwiritsidwe ntchito kake momwe kungathekere kuwongolera kagwiritsidwe ntchito ka zida, ndipo kusamala kuyenera kuchitidwa kuti thiransifomayo isayende mopepuka.
5. Kodi pepala la dzina la thiransifoma ndi chiyani? Kodi zambiri zaukadaulo pa nameplate ndi chiyani?
Dzina la transformer limasonyeza ntchito, luso lamakono ndi zochitika zogwiritsira ntchito transformer kuti zikwaniritse zosowa za wogwiritsa ntchito. Deta yayikulu yaukadaulo yomwe iyenera kutsatiridwa pakusankha ndi:
(1) Kilovolt-ampere ya mphamvu yovotera. Ndiko kuti, mphamvu linanena bungwe la thiransifoma pansi zinthu oveteredwa. Mwachitsanzo, mphamvu yovotera ya transformer ya gawo limodzi = U mzere× Ine mzere; mphamvu ya thiransifoma ya magawo atatu = U mzere× Ine mzere.
(2) Mphamvu yamagetsi mu volts. Onetsani mphamvu yamagetsi ya koyilo yoyamba ndi voteji yomaliza ya koyilo yachiwiri (popanda kulumikizidwa ndi katundu) motsatana. Zindikirani kuti voteji yotsiriza ya thiransifoma ya magawo atatu imatanthawuza mtengo wa mzere wa U.
(3) Mawonekedwe apano mu ma amperes. Zimatanthawuza mtengo wa mzere wamakono wa mzere umene koyilo yoyamba ndi yachiwiri imaloledwa kudutsa kwa nthawi yaitali pansi pa zikhalidwe za mphamvu zovotera ndi kukwera kovomerezeka kwa kutentha.
(4) Chiŵerengero cha magetsi. Amatanthauza chiŵerengero cha mphamvu yamagetsi ya koyilo yoyambirira ndi mphamvu yamagetsi ya koyilo yachiwiri.
(5) Njira yolumikizira waya. Transformer ya gawo limodzi imakhala ndi makina okwera kwambiri komanso otsika kwambiri ndipo imagwiritsidwa ntchito pagawo limodzi. Transformer ya magawo atatu ili ndi Y/△mtundu. Kuphatikiza pazidziwitso zaukadaulo zomwe zili pamwambapa, palinso ma frequency ovotera, kuchuluka kwa magawo, kukwera kwa kutentha, kuchuluka kwa impedance ya thiransifoma, ndi zina zambiri.
6. Ndi mayeso otani omwe ayenera kuchitidwa pa thiransifoma panthawi yogwira ntchito?
Pofuna kuonetsetsa kuti thiransifoma ikugwira ntchito bwino, mayeso otsatirawa amayenera kuchitidwa pafupipafupi:
(1) Kuyeza kutentha. Kutentha ndikofunikira kwambiri kuti muwone ngati thiransifoma ikugwira ntchito bwino. Malamulowa amanena kuti kutentha kwapamwamba kwa mafuta sikuyenera kupitirira 85C (ie, kutentha ndi 55C). Nthawi zambiri, ma transfoma amakhala ndi zida zapadera zoyezera kutentha.
(2) Muyeso wa katundu. Pofuna kupititsa patsogolo kuchuluka kwa kagwiritsidwe ntchito ka thiransifoma ndikuchepetsa kutayika kwa mphamvu yamagetsi, mphamvu yamagetsi yomwe thiransifoma imatha kunyamula iyenera kuyeza panthawi yogwira ntchito. Ntchito yoyezera nthawi zambiri imachitika panthawi yomwe magetsi amagwiritsa ntchito kwambiri nyengo iliyonse, ndipo amayezedwa mwachindunji ndi clamp ammeter. Mtengo wapano uyenera kukhala 70-80% wa ovotera pano wa transformer. Ngati ipitilira izi, zikutanthauza kuchulukira ndipo iyenera kusinthidwa nthawi yomweyo.
(3)Kuyeza kwa magetsi. Malamulowa amafuna kuti kusintha kwa magetsi kukhale mkati±5% yamagetsi ovotera. Ngati ipitilira mulingo uwu, mpopiyo uyenera kugwiritsidwa ntchito kusintha ma voliyumu kumtundu womwe watchulidwa. Nthawi zambiri, voltmeter imagwiritsidwa ntchito kuyeza voteji yachiwiri ya coil terminal ndi ma terminal voltage a wogwiritsa ntchito motsatana.
Kutsiliza: Mnzanu Wodalirika Wamphamvu Sankhani JZPpazosowa zanu zogawa mphamvu ndikupeza kusiyana komwe kungapangitse, luso, ndi kudalirika. Ma Transformers athu a Single Phase Pad-Mounted Transformers adapangidwa kuti azipereka magwiridwe antchito apamwamba, kuwonetsetsa kuti mphamvu zanu zimagwira ntchito bwino komanso moyenera. Lumikizanani nafe lero kuti mudziwe zambiri zazinthu zathu komanso momwe tingathandizire kukwaniritsa zolinga zanu zogawa mphamvu.
Nthawi yotumiza: Jul-19-2024