Zomwe muyenera kudziwa za braking resistors

Zomwe muyenera kudziwa za braking resistors

Onani: 28 mawonedwe


Braking resistorkamangidwe, pachimake ndi kuganizira capacitor ndi IGBT mavuto gawo voteji, kupewa zipangizo ziwiri zofunika ndi voteji mkulu wa basi anatsuka, mitundu iwiri ya zigawo zikuluzikulu ngati zoipa, ndi inverter sangathe ntchito bwino.

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Kuphatikiza pa kuchuluka kwakukulu, kuchuluka kwa shuga kumafunikirabraking resistorndi mabuleki wagawo kuti kusala braking, Ndipotu, ngati mogwirizana ndi cholemera, nthawi yoyambira-mmwamba chofunika kwambiri kudya mtundu, komanso ayenera ananyema unit ndi braking resistor kuyamba ndi, m'mbuyomu, ndinayesetsa kugwiritsa ntchito inverter kuti galimoto yapadera kukhomerera makina, zofunika mathamangitsidwe nthawi ya inverter lakonzedwa ngati masekondi 0.1, pamene zonse katundu kuyamba, ngakhale katundu si wolemetsa kwambiri, koma chifukwa mathamangitsidwe nthawi yochepa kwambiri, basi voteji kusinthasintha. kudzakhalanso overvoltage kapena overcurrent situation.Koma chifukwa mathamangitsidwe nthawi ndi lalifupi kwambiri, basi voteji kusinthasintha ndi wamphamvu kwambiri, padzakhala pa-voteji kapena pa-panopa, ndiyeno kuonjezera kunja mabuleki unit ndi braking resistor, ndi inverter ntchito bwinobwino.

2024.1.02(1)

Yang'anani, chifukwa nthawi yoyambira ndi yaifupi kwambiri, voteji ya capacitor ya basi imachotsedwa nthawi yomweyo, ndipo chowongolera nthawi yomweyo chimakhala ndi charger yayikulu, zomwe zimapangitsa kuti magetsi azikwera modzidzimutsa, motero kusinthasintha kwamagetsi a basi kumakhala kolimba kwambiri, nthawi yomweyo kumatha kupitilira 700. volts, kuphatikiza ndibraking resistor, mutha kuthetsa kusinthasintha uku kwa kuthamanga kwambiri munthawi yake, kuti otembenuza pafupipafupi azigwira ntchito bwino.