Ngaphandle kweenjini ezincinci, uninzi lweemotor windings zifuna ukudipha kunye neenkqubo zokomisa ukuze kuqinisekiswe ukusebenza kwe-insulation ye-motor windings kwaye kwangaxeshanye kuncitshiswe umonakalo kwi-windings xa i-motor isebenza ngesiphumo sokunyanga se-windings.
Nangona kunjalo, xa impazamo yombane engenakulungiseka yenzeke kwi-windings ye-motor, i-windings kufuneka ihlaziywe, kwaye i-windings yokuqala iya kususwa.Kwiimeko ezininzi, ii-windings ziya kukhutshwa ngokutshiswa, ngakumbi kwiivenkile zokulungisa iimoto., yindlela ethandwa kakhulu.Ngexesha lenkqubo yokutshisa, umbindi wentsimbi uya kufudunyezwa kunye, kwaye i-iron core punch sheets iya kufakwa i-oxidized, elingana nobude obusebenzayo be-motor core iba yincinci kunye nokungena kwemagnethi kombindi wentsimbi ukwehla, okukhokelela ngokuthe ngqo I-no-load current ye-motor iba mkhulu, kwaye umthwalo wangoku uya kunyuka kakhulu kwiimeko ezinzima.
Ukuze ugweme le ngxaki, kwelinye icala, amanyathelo athathiweyo kwinkqubo yokuvelisa i-motor ukuqinisekisa umgangatho kunye nokuthembeka kwee-motor windings.Ngakolunye uhlangothi, ii-windings zithathwa ngezinye iindlela xa ii-motor windings zilungiswa.Lo ngumlinganiselo othathwe ziivenkile ezininzi zokulungisa ezisemgangathweni.Kukwayimfuneko kwiimfuno zokhuseleko lokusingqongileyo.
Ngokuqhelekileyo, kuxhomekeke kumandla emoto.I-No-load current yeemoto ezincinci zinokufikelela kwi-60% ye-current rated current, okanye nangaphezulu.Ukungalayishwa kwangoku kweenjini ezinkulu zobungakanani ngokubanzi kuphela malunga ne-25% yangoku elinganisiweyo.
Ubudlelwane phakathi kokuqala kwangoku kunye nokusebenza okuqhelekileyo kwangoku kwemotor yamanqanaba amathathu.Ukuqala ngokuthe ngqo ngamaxesha angama-5-7, ukuqala kombane oncitshisiweyo ngamaxesha angama-3-5, kunye nesigaba sesithathu se-motor stall current malunga namaxesha angama-7.Iimotor zesigaba esinye malunga namaxesha angama-8.
Xa i-asynchronous motor isebenza ngaphandle komthwalo, i-current flowing through the three-phase phase winding of stator ibizwa ngokuba akukho mthwalo wangoku.Uninzi lwangoku olungenamthwalo lusetyenziselwa ukuvelisa intsimi yamagnetic ejikelezayo, ebizwa ngokuba yi-no-load excitation current, eyona nxalenye ye-reactive ye-no-load current.Kukwakho nenxalenye encinci yangoku akukho mthwalo osetyenziswayo ukuvelisa ilahleko yamandla eyahlukeneyo xa i-motor isebenza ngaphandle komthwalo.Le nxalenye yinxalenye esebenzayo ye-no-load yangoku, kwaye inokungahoywa kuba ibala umlinganiselo omncinci.Ke ngoko, akukho mthwalo wangoku ungathathwa njengosebenza ngoku.
Ukusuka kulo mbono, incinci, ingcono, ukwenzela ukuba umbane we-motor uphuculwe, olungele ukunikezelwa kwamandla kwigridi.Ukuba akukho mthwalo wangoku mkhulu, ekubeni umqhubi ophethe indawo ye-stator winding uqinisekile kwaye umsinga ovunyelwe ukuba udlule uqinisekile, umsinga osebenzayo ovumelekileyo ukuba uhambe kwii-conductor unokuncitshiswa kuphela, kunye nomthwalo okhoyo. i-motor ingaqhuba iya kuncitshiswa.Xa i-motor output iyancipha kwaye umthwalo ukhulu kakhulu, i-windings ivame ukutshisa.
Nangona kunjalo, i-current-load current ayikwazi ukuba yincinci kakhulu, ngaphandle koko iya kuchaphazela ezinye iipropati ze-motor.Ngokubanzi, akukho mthwalo wangoku weemoto ezincinci malunga ne-30% ukuya kwi-70% yangoku, kwaye akukho mthwalo wangoku weenjini ezinkulu neziphakathi zimalunga ne-20% ukuya kwi-40% yangoku.Isixhobo esithile sokungathwali sangoku semoto ethile ayiphawulwanga kwigama lemoto okanye kwincwadana yemveliso.Kodwa iingcali zombane zihlala zifuna ukwazi ukuba yintoni na eli xabiso, kwaye usebenzise eli xabiso ukugweba umgangatho wokulungiswa kweemoto kunye nokuba ingasetyenziswa.
Uqikelelo olulula lwemotor's no-load current: yahlula amandla ngexabiso le-voltage, kwaye uphindaphinde i-quotient yayo ngamathandathu ahlulwe ngeshumi.
Ixesha lokuposa: Sep-28-2023