Indlela yokuthintela ngokufanelekileyo iingxaki zokugqithiswa kombane ngexesha lokusebenza kwe-substation

Kwinkqubo yokusebenza i-transformer engekho-load, kuya kubakho into engenakuphetshwa emzimbeni, oko kukuthi, ukunqunyulwa.Ingxaki yokusebenza kwe-overvoltage ngenxa yokunqunyulwa kwe-breaker circuit inokuthintelwa ngokuthatha amanyathelo alandelayo:

1. Phucula undoqo wentsimbi

Ukuphucula i-core yentsimbi kunempembelelo ethile ekunciphiseni i-no-load current.Ngenxa yokuba i-magnetizing yangoku kunye nelahleko yentsimbi yangoku kunye zenza i-no-load yangoku, kwaye i-magnetizing yangoku iya kuvelisa i-magnetic flux, kwaye ilahleko yentsimbi iya kubangela ilahleko yentsimbi yangoku, ngoko ke undoqo wesinyithi we-transformer yeyona nto iphambili Nciphisa akukho mthwalo wangoku.Ukuphucula ngakumbi ubume obuphambili kunye nokuphucula umgangatho wentsimbi yentsimbi yimilinganiselo emibini esisiseko.Iinkozo eziqengqelekisiweyo ezibandayo zinokusetyenziswa endaweni yamaphepha entsimbi ye-silicon, ngenxa yokuba inkqubo yemagnethi yokungena kweenkozo eziqengqelekayo iphezulu.Xa i-transformer igqitywe, intsimbi yentsimbi kufuneka ihlolwe kwaye ihlolwe ngokungqongqo ngokwemigangatho efanelekileyo yemigangatho.

2. Ukuvuthuza kwamkela uhlobo oluphitheneyo

                                                               I-HV HIPOT GDB-P isiguquli esizenzekelayo sijika umvavanyi womlinganiselo

I-220kV transformer yi-core transformer.Ukuba indlela yokucima i-tangled winding, i-parasitic capacitance ye-transformer iya kwanda.Ukujija okubambeneyo kukufaka olunye ujiko lokujija ngokuthe ngqo phakathi kokujika kombane okufutshane, ukwenzela ukuba umthamo wexesha elide wokujika unyuke, kwaye umahluko okhoyo phakathi kojiko oluya kufutshane uya kwanda ngakumbi, ukuze kubukho beNdawo. yesenzeko sokugqithisa umbane, amandla ombane okuqala anokwabiwa ngokulinganayo phakathi kokujika.

3. Sebenzisa isitshixo esine-resistor ehambelanayo

Ngomzuzu wokunqunyulwa kwangoku, amandla ombane kwi-inductor aya kuguqulwa abe ngamandla ombane ukuhlawula i-capacitor.Ngeli xesha, ukuba utshintsho ludibaniswe ngokuhambelana ne-resistor, amandla amagnetic kwi-inductor angakhululwa.Emva kokuba ukutshintshwa kunye nokumelana nokuxhatshazwa kuvaliwe ngaphambi kokunqunyulwa kwangoku, ukutshintshwa kwe-parallel resistance kufutshane.Emva kokunqunyulwa kwangoku, umtshintshi ubamba i-R84Th N resistor ukwenza i-current, ukwenzela ukuba amandla ombane ombane kwi-inductor asetyenziswe.