Isakhiwo se-bushing kuma-substation transformer akulula kangako njengama-bushings kuma-padmount transformers. Izihlahla eziphezu kwepadmount zihlala zikhona kwikhabhinethi ngaphambili kweyunithi enamahlahla anamandla kagesi aphansi kwesokudla kanye namahlahla anamandla aphezulu kwesokunxele. Ama-substation transformers angaba nezihlahla ezitholakala cishe noma yikuphi kuyunithi. Ngaphezu kwalokho, ngokuya ngesicelo esiqondile, ukuhleleka kwe-substation bushings kungahluka.
Konke lokhu kusho ukuthi uma udinga i-substation transformer, qiniseka ukuthi uyazi kahle i-bushing layout ngaphambi kokufaka i-oda lakho. Khumbula ukuhlukaniswa kwezigaba phakathi kwe-transformer kanye nezinto zokusebenza oxhuma kuzo (i-breaker, njll.) Isakhiwo se-bushing kufanele sibe isithombe sesibuko, singafani.
Indlela yokukhetha ukwakheka kwe-bushings
Kunezici ezintathu:
- Izindawo zokuhlala e- Bushing
- Izigaba
- I-Terminal Enclosures
Izindawo zokuhlala e- Bushing
I-American National Standards Institute (ANSI) inikeza igama elivamile lokulebula izinhlangothi ze-transformer: I-ANSI Side 1 "ingaphambili" le-transformer-uhlangothi lweyunithi elibamba i-valve yokudonsa kanye ne-nameplate. Ezinye izinhlangothi ziqokwe ukuthi zinyakaze ngokuhambisana newashi kuyunithi: Ibhekene nengaphambili le-transformer (Uhlangothi 1), Uhlangothi 2 uhlangothi lwesobunxele, Uhlangothi 3 lungemuva, futhi Uhlangothi 4 lungakwesokudla.
Ngezinye izikhathi ama-substation bushings angaba phezulu kweyunithi, kodwa uma kunjalo, azokleliswa eceleni kohlangothi olulodwa (hhayi phakathi nendawo). I-nameplate ye-transformer izoba nencazelo ephelele yesakhiwo sayo se-bushing.
I-Substation Phasing
Njengoba ungabona esiteshini esiboniswe ngenhla, izihlahla ezine-voltage ephansi zisuka kwesokunxele ziye kwesokudla: X0 (i-neutral bushing), X1, X2, kanye ne-X3.
Kodwa-ke, uma izigaba beziphambene nesibonelo sangaphambilini, isakhiwo sizohlehliswa: X0, X3, X2, and X1, sisuka kwesokunxele siye kwesokudla.
Isihlahla esingathathi hlangothi, esifanekiselwa lapha ngakwesokunxele, singatholakala ngakwesokudla. I-neutral bushing ingase ibekwe ngaphansi kwezinye izihlahla noma phezu kwesivalo se-transformer, kodwa le ndawo ayivamile.
Tizivalo ze-erminal
Ukuze kuphephe noma ubani ongase axhumane ne-transformer, imithethonqubo idinga ukuba zonke izikhumulo zibekwe endaweni lapho kungafinyeleleki khona. Ukwengeza, ngaphandle kokuthi ama-bushings akalelwe ukusetshenziswa ngaphandle-njengama-bushings abekwe phezulu-kumele avalelwe. Ukumbozwa kwezihlahla zesiteshi esincane kugcina amanzi nemfucumfucu kude nezingxenye eziphilayo. Izinhlobo ezintathu ezivame kakhulu zokubiyela kwesiteshi esincane yi-flange, umphimbo, negumbi letheminali yomoya.
I-Flange
Ama-Flanges ngokuvamile asetshenziswa njengengxenye yokukhwelana ukuze kuboshwe egumbini letheminali yomoya noma kwesinye isigaba sezinguquko. Njengoba kuboniswe ngezansi, i-transformer ingagqokwa nge-flange yobude obugcwele (kwesokunxele) noma i-flange yobude obuyingxenye (kwesokudla), ehlinzeka nge-interface lapho ungabhinca khona ingxenye yoshintsho noma ipayipi lebhasi.
Umphimbo
Umphimbo ngokuyisisekelo uyi-flange enwetshiwe, futhi njengoba ubona esithombeni esingezansi, ungaphinda uxhumeke ngqo epayipini lebhasi noma ocezwini lwe-switchgear, njenge-flange. Imiqala imvamisa itholakala ohlangothini lwe-low-voltage ye-transformer. Lezi zisetshenziswa uma udinga ukuxhuma ibhasi eliqinile ngqo kuma-spades.
Umphimbo
Umphimbo ngokuyisisekelo uyi-flange enwetshiwe, futhi njengoba ubona esithombeni esingezansi, ungaphinda uxhumeke ngqo epayipini lebhasi noma ocezwini lwe-switchgear, njenge-flange. Imiqala imvamisa itholakala ohlangothini lwe-low-voltage ye-transformer. Lezi zisetshenziswa uma udinga ukuxhuma ibhasi eliqinile ngqo kuma-spades.
Isikhathi sokuthumela: Sep-19-2024