Kungani kufanele kwenziwe izivivinyo ezi-5 ze-impulse ngaphambi kokuba i-transformer iqale ukusebenza?

(1) Hlola ukufakelwa kwe-transformer kanye namasekethe ayo ukuze ubone ubuthakathaka noma amaphutha. Uma i-transformer engenamthwalo idonswa phakathi, kungenzeka ukuthi kukhiqizwe ama-overvoltage asebenzayo. Lapho iphuzu elingathathi hlangothi lesistimu yamandla lingagxilile noma lingagxilile nge-coil yokucindezela i-arc, i-amplitude ye-overvoltage ingafinyelela izikhathi ezingu-4-4.5 ze-voltage yesigaba; lapho iphuzu elingathathi hlangothi ligxilile ngqo, i-amplitude ye-overvoltage ingafinyelela izikhathi ezintathu ze-voltage yesigaba. Ukuze kuhlolwe ukuthi amandla okufakelwa kwe-transformer angamelana yini nomphumela we-voltage egcwele noma i-overvoltage esebenzayo, kuyadingeka ukwenza isivivinyo se-impulse ye-non-load full voltage ngaphambi kokuba i-transformer iqale ukusebenza. Uma i-transformer namasekethe ayo enobuthakathaka bokufakelwa, izovezwa ekuqhekekeni kwe-overvoltage yokusebenza.

(2) Hlola ukuthi ukuvikelwa komehluko we-transformer akusebenzanga kahle yini. Uma i-transformer engenamthwalo ivuliwe, kuzokhiqizwa ugesi wokungena, futhi inani layo lingafinyelela izikhathi ezingu-6-8 zamandla alinganiselwe. Ugesi wokungena we-magnetizing uqala ukuncipha ngokushesha, ngokuvamile ungancishiswa ube izikhathi ezingu-0.25-0.5 zamandla alinganiselwe ngemva kwamasekhondi angu-0.5-1, kodwa kuthatha isikhathi eside ukuthi konke ukuncishiswa kuqedwe, cishe imizuzwana embalwa kuma-transformer amancane naphakathi, kanye namasekhondi angu-10-20 kuma-transformer amakhulu, ngakho-ke ugesi wokungena we-magnetizing uyancishiswa Esigabeni sokuqala, ukuvikelwa komehluko kuvame ukungasebenzi kahle, okwenza i-transformer ingakwazi ukusebenza. Ngakho-ke, lapho ukuvala komthelela wokungabi nomthwalo, ngaphansi kwesenzo sogesi wokungena we-excitation, izintambo, izici kanye nokusetha kokuvikelwa komehluko kungahlolwa ngempela, futhi ukuhlolwa kanye nesiphetho sokuthi ukuvikelwa kungasetshenziswa yini kungenziwa.

(3) Hlola amandla omshini we-transformer. Njengoba i-excitation inrush current ikhiqiza amandla kagesi amaningi, ukuze kuhlolwe amandla omshini we-transformer, kudingeka ukuhlolwa komthelela ongenamthwalo.

Ngokwemithethonqubo, inani lokuhlolwa komthelela we-full-voltage okungenamthwalo kufanele lihlale lithintekile izikhathi ezi-5 lapho imikhiqizo emisha iqala ukusebenza; ngemva kokulungiswa, kufanele lihlale lithintekile izikhathi ezi-3. Isikhathi esiphakathi komthelela ngamunye asikho ngaphansi kwemizuzu emi-5. Ngaphambi kokusebenza, kufanele kuthunyelwe othile endaweni ukuze aqaphe i-transformer ukuze ahlole ukuthi kukhona yini ukungahambi kahle ku-transformer. Uma kukhona ukungahambi kahle, ukusebenza kufanele kumiswe ngokushesha.

Ngemva komthelela wokuqala, kufanele iqhubeke isebenza imizuzu engaphezu kweyi-10, kanti umphumela olandelayo kufanele ulinde imizuzu engaphezu kwemi-5 ngaphambi komthelela olandelayo. Ngokuqondene nokuthi kungani isethwe izikhathi ezi-5, kuchazwe emithethweni, futhi isilinganiso esithile siyisiphetho esithathwe ekucabangeni okuphelele kwamandla omshini, i-overvoltage kanye ne-excitation inrush current.