Pamene induction motor ikuyamba, yapano ndi yayikulu kwambiri, koma ikayamba, yapano imachepa pang'onopang'ono.Chifukwa chiyani?

110V 220V 380V AC MOTOR

Pali zifukwa ziwiri zazikulu:

1. Makamaka kuchokera ku gawo la rotor: pamene galimoto yolowetsamo ili mu chikhalidwe choyimitsidwa, kuchokera kumalo owonetsera ma electromagnetic, monga thiransifoma, mafunde a stator a injini yolumikizidwa ndi mbali yamagetsi ndi ofanana ndi mafunde oyambirira a magetsi. thiransifoma, ndi kuzungulira kwa rotor mumayendedwe otsekedwa ndi ofanana ndi mafunde achiwiri a thiransifoma yomwe imakhala yochepa.Palibe kugwirizana kwamagetsi pakati pa mafunde a stator ndi mafunde a rotor, koma kugwirizana kwa maginito.Kuthamanga kwa maginito kumapanga chipika chotsekedwa kudzera pa stator, mpweya wa mpweya ndi rotor core.Pamene rotor imayatsidwa chifukwa cha inertia, mphamvu ya maginito yozungulira imadula kuzungulira kwa rotor pa liwiro lalikulu kwambiri (liwiro la synchronous), zomwe zimapangitsa kuti kuzungulira kwa rotor kupangitse mphamvu yapamwamba kwambiri ya electromotive.Chifukwa chake, maginito akuluakulu akuyenda mu kondakitala ya rotor, yomwe imatulutsa mphamvu ya maginito kuti ithetse mphamvu ya maginito ya stator, monga momwe maginito achiwiri amasinthira maginito osinthira maginito.

Pofuna kusunga maginito oyambirira omwe ali oyenera mphamvu zamagetsi panthawiyo, stator imangowonjezera mphamvuyi.Panthawiyi, ma rotor panopa ndi aakulu kwambiri, kotero kuti stator panopa imakulanso kwambiri, ngakhale mpaka 4 ~ 7 nthawi zamakono ovotera, chomwe chiri chifukwa chachikulu choyambira panopa.

Pamene liwiro la galimoto likuwonjezeka, liwiro limene maginito a stator amadula kondakitala wa rotor amachepetsa, mphamvu ya electromotive mu rotor conductor imachepa, ndipo panopa mu rotor conductor imachepa.Choncho, gawo la stator panopa lomwe limagwiritsidwa ntchito polimbana ndi mphamvu ya maginito yomwe imapangidwa ndi rotor panopa imachepetsanso, kotero kuti stator panopa imasintha kuchokera ku zazikulu mpaka zazing'ono mpaka zachilendo.

2. Makamaka kuchokera ku gawo la stator: Malingana ndi lamulo la Ohm, pamene ma voltages ali ofanana, ang'onoang'ono amtengo wapatali, ndi ochulukirapo.Panthawi yoyambira injini, kutsekeka kwamtundu wamakono kumangolimbana ndi mafunde a stator, omwe nthawi zambiri amapangidwa ndi conductor yamkuwa, chifukwa chake kukana kumakhala kochepa kwambiri, apo ayi, mphamvuyo idzakhala yayikulu kwambiri.

Panthawi yoyambira, chifukwa cha mphamvu ya maginito induction, reactance value in the loop pang'onopang'ono imawonjezeka, kotero kuti mtengo wamakono umachepa pang'onopang'ono mpaka ukhale wokhazikika.


Nthawi yotumiza: Oct-28-2022