Kapangidwe ka ma thiransifoma a substation sikophweka ngati ma bushings pa padmount transfoma. Nsapato pa padmount nthawi zonse mu kabati kutsogolo kwa unit ndi otsika-voltage bushings kumanja ndi high-voltage bushings kumanzere. Magetsi a substation amatha kukhala ndi tchire pafupifupi paliponse pagawo. Zowonjezera, kutengera momwe zimagwiritsidwira ntchito, dongosolo la substation bushings limatha kusiyanasiyana.
Zonsezi zikutanthauza kuti mukafuna thiransifoma ya substation, onetsetsani kuti mukudziwa momwe mungapangire bushing musanayike oda yanu. Kumbukirani kugawanika pakati pa thiransifoma ndi zipangizo zomwe mukugwirizanitsa nazo (zophwanya, ndi zina zotero) Mapangidwe a bushing ayenera kukhala chithunzi cha galasi, osati chofanana.
Momwe mungasankhire masanjidwe a bushings
Pali zinthu zitatu:
- Magawo a Bushing
- Phasing
- Ma Terminal Enclosures
Magawo a Bushing
Bungwe la American National Standards Institute (ANSI) limapereka chizindikiritso chapadziko lonse cholembera mbali za transformer: ANSI Side 1 ndi "kutsogolo" kwa transformer-mbali ya unit yomwe imakhala ndi valve yokhetsa ndi nameplate. Mbali zina zimasankhidwa kusuntha mozungulira mozungulira gawolo: Kuyang'ana kutsogolo kwa thiransifoma (Kumbali 1), Mbali 2 ndi kumanzere, Mbali 3 ndi kumbuyo, ndipo Mbali 4 ndi kumanja.
Nthawi zina ma bushings a substation amatha kukhala pamwamba pa chipangizocho, koma zikatero, amakhala m'mphepete mwa mbali imodzi (osati pakati). Dzina la transformer lidzakhala ndi kufotokozera kwathunthu kwa mapangidwe ake.
Substation Phasing
Monga mukuwonera pachithunzipa chomwe chili pamwambapa, zitsamba zotsika kwambiri zimayenda kuchokera kumanzere kupita kumanja: X0 (osalowerera ndale), X1, X2, ndi X3.
Komabe, ngati magawowo anali osiyana ndi chitsanzo cham'mbuyomu, mawonekedwewo asinthidwa: X0, X3, X2, ndi X1, kusuntha kuchokera kumanzere kupita kumanja.
Chomera chosalowerera ndale, chojambulidwa apa kumanzere, chingathenso kupezeka kumanja. Zosalowerera ndale zithanso kukhala pansi pa tchire zina kapena pa chivindikiro cha thiransifoma, koma malowa ndi ochepa.
Tma erminal enclosures
Kuti atetezeke kwa aliyense amene angakumane ndi thiransifoma, malamulo amafunikira kuti ma terminals akhazikike pamalo pomwe sangafike. Kuonjezera apo, pokhapokha ngati matabwa akugwiritsidwa ntchito panja-monga matabwa okwera pamwamba-ayeneranso kutsekedwa. Kukhala ndi zitsamba zapansi panthaka kumatchinga madzi ndi zinyalala kutali ndi zigawo zamoyo. Mitundu itatu yodziwika kwambiri yazigawo zapansi panthaka ndi flange, mmero, ndi chipinda cha air terminal.
Flange
Flanges nthawi zambiri amagwiritsidwa ntchito ngati gawo lokwerera kuti atseke pachipinda cholumikizira mpweya kapena gawo lina losinthira. Monga momwe chithunzichi chili pansipa, thiransifoma imatha kuvalidwa ndi flange yayitali (kumanzere) kapena mawonekedwe akutali (kumanja), komwe kumapereka mawonekedwe omwe mungatsekere gawo losinthira kapena njira ya basi.
Pakhosi
Pakhosi kwenikweni ndi flange yotalikirapo, ndipo monga mukuwonera pachithunzichi pansipa, imatha kulumikizananso mwachindunji ndi khwalala la basi kapena chidutswa cha switchgear, ngati flange. Mitsempha nthawi zambiri imakhala pambali yotsika kwambiri ya thiransifoma. Izi zimagwiritsidwa ntchito mukafuna kulumikiza basi yolimba molunjika ku ma spades.
Pakhosi
Pakhosi kwenikweni ndi flange yotalikirapo, ndipo monga mukuwonera pachithunzichi pansipa, imatha kulumikizananso mwachindunji ndi khwalala la basi kapena chidutswa cha switchgear, ngati flange. Mitsempha nthawi zambiri imakhala pambali yotsika kwambiri ya thiransifoma. Izi zimagwiritsidwa ntchito mukafuna kulumikiza basi yolimba molunjika ku ma spades.
Nthawi yotumiza: Sep-19-2024