Izimbangela ze-corona ku-high-voltage motor windings

1. Izimbangela ze-corona

I-Corona ikhiqizwa ngenxa yokuthi inkambu kagesi engalingani ikhiqizwa umqhubi ongalingani. Lapho i-voltage ikhuphukela enanini elithile eduze kwe-electrode ene-radius encane yokugoba ezungeze insimu kagesi engalingani, ukukhishwa kuzokwenzeka ngenxa yomoya wamahhala, okwenza i-corona.Ngenxa yokuthi inkambu kagesi emaphethelweni e-corona ibuthakathaka kakhulu futhi akukho ukuhlukana kokushayisana okwenzekayo, izinhlayiya ezikhokhiswayo endaweni ye-corona ngokuyisisekelo ama-ion kagesi, futhi la ma-ion akha i-corona discharge current.Kalula nje, i-corona ikhiqizwa lapho i-electrode ye-conductor ene-radius encane yokugoba iphumela emoyeni.

2. Izimbangela ze-corona kumamotho ane-voltage ephezulu

Inkambu kagesi ye-stator winding ye-high-voltage motor igxile ezindaweni zokungena komoya, izindawo zokuphuma ezilandelanayo, kanye neziphetho ezijikayo. Lapho amandla enkambu efinyelela inani elithile endaweni yendawo, igesi ithola i-ionization yendawo, futhi i-fluorescence eluhlaza okwesibhakabhaka ivela endaweni ye-ionized. Lesi yisimo se-corona. .

3. Izingozi ze-corona

I-corona ikhiqiza imiphumela eshisayo kanye ne-ozone ne-nitrogen oxides, okwandisa izinga lokushisa lendawo kukhoyili, okubangela ukuba ingcina yonakale futhi i-carbonize, futhi ukugqunywa kwe-strand kanye ne-mica kube mhlophe, okubangela ukuthi imicu ixege, ibe mfushane- ukujikeleza, kanye neminyaka yokufakelwa.
Ngaphezu kwalokho, ngenxa yokuxhumana okungekuhle noma okungazinzile phakathi kwendawo efaka i-thermosetting kanye nodonga lwethangi, ukuphuma kwenhlansi esikhaleni sethangi kuzobangelwa ngaphansi kwesenzo sokudlidliza kwe-electromagnetic.Ukwenyuka kwezinga lokushisa lendawo okubangelwa yilokhu kuphuma kwenhlansi kuzoyiguguleka kakhulu indawo yokushisa.Konke lokhu kuzodala umonakalo omkhulu ku-insulation motor.

4. Izinyathelo zokuvikela i-corona

(1) Imvamisa, izinto ezifakwayo zenjini zenziwe ngezinto ezingazweli yi-corona, kanti upende wokucwilisa nawo wenziwa ngopende ongazweli yi-corona. Lapho uklama injini, izimo zokusebenza ezinzima kufanele zicatshangelwe ukuze kuncishiswe umthwalo we-electromagnetic.

(2) Lapho wenza ikhoyili, bopha itheyiphu evikela ilanga noma ufake upende omelene nelanga.

(3) Izikhala zomongo zifafazwa ngopende ongamelana nokuqhakaza ophansi, futhi ama-slot pads enziwe ngama-semiconductor laminates.

(4) Ngemva kokwelashwa kokufakwa okumazombezombe, qala ngokufaka upende we-semiconductor ongamelana kancane engxenyeni eqondile yokusonteka. Ubude bopende kufanele bube bubude obungama-25mm ohlangothini ngalunye kunobude bomgogodla.Upende wesemiconductor ongamelana kancane ngokuvamile usebenzisa upende we-semiconductor we-epoxy resin ongu-5150, okumelana nobuso bungu-103~105Ω.

(5) Njengoba iningi le-capacitive current ligeleza lisuka kungqimba lwe-semiconductor liye endaweni ewumgogodla, ukuze kugwenywe ukushisisa kwendawo lapho kuphuma khona, ukumelana nokumelana kwendawo kufanele kukhule kancane kancane ukusuka endaweni ejikayo ukuya ekugcineni.Ngakho-ke, sebenzisa upende wesemiconductor ongamelana okuphezulu kanye ukusuka eduze kwendawo yokuphuma ejikayo ukuya ekupheleni kuka-200-250mm, futhi indawo yayo kufanele idlulele nopende wesemiconductor ongamelana kancane ngo-10-15mm.Upende we-semiconductor omelana kakhulu ngokuvamile usebenzisa upende we-semiconductor we-alkyd ongu-5145, okumelana kwawo nobuso kungu-109 kuya ku-1011.

(6) Ngenkathi upende we-semiconductor usemanzi, bopha ungqimba oluyingxenye yeribhoni yengilazi ewugqinsi engu-0.1mm uwuzungeze.Indlela ye-dewaxing ukufaka iribhoni yengilazi engena-alkali kuhhavini bese uyishisa ifike ku-180~220℃ amahora angu-3~4.

(7) Ngaphandle kweribhoni yengilazi, sebenzisa olunye ungqimba lukapende we-semiconductor ongamelana kancane nopende we-semiconductor ongamelana kakhulu. Izingxenye ziyafana nezinyathelo (1) kanye no-(2).

(8) Ngokungeziwe ekwelashweni okunqanda ukuphefumula kwama-windings, umgogodla nawo udinga ukufafazwa ngopende we-semiconductor ongamelana kancane ngaphambi kokuphuma emugqeni wokuhlanganisa.Ama-groove wedges nama-groove pads kufanele enziwe ngamabhodi endwangu yengilazi ye-semiconductor yengilazi.