Txhuam DC

Taw qhia:

Abrushless DC hluav taws xob lub cev muaj zog (BLDC motororBL lub cev muaj zog), kuj paub ua lub cev muaj zog (ECMorEC tsav) andsynchronous DC motors, issynchronous motorspowered bydirect current (DC) hluav taws xob aninverterorswitching zog movwhich tsim hluav taws xob nyob rau hauv cov qauv ofalternating tam sim no (AC) los tsav txhua theem ntawm lub cev muaj zog ntawm aclosed loopcontroller. Tus maub los muabpulsesof tam sim no rau lub cev muaj zogwstshwm tswj thespeedandtorqueof lub zog. Qhov kev tswj fwm hloov no yog siv thecommutator (txhuam hniav) siv rau hauv cov tshuab hluav taws xob ntau.

Kev tsim kho ntawm lub cav tsis siv lub tshuab hluav taws xob tsis zoo ib yam li apermanent magnet synchronous lub cev muaj zog (PMSM), tabsis tseem tuaj yeem ua rau lub cev muaj zog tsis sib xws, lossis lub cev muaj zog (lub zog ua tsis tau). Lawv kuj tseem yuav useneodymium magnetsand beoutrunners (tus stator yog puag ncig los ntawm lub rotor), inrunners (lub rotor yog puag ncig los ntawm stator), lossis axial (lub rotor thiab stator yog lub tiaj thiab thaum uas tig mus).

Qhov zoo ntawm tus txhuam brushless lub cev muaj zog lub cav loj lub zog ua kom hnyav, qhov siab ceev, kev tswj hluav taws xob, thiab kev tu qis. Cov txhuam tsis zoo nrhiav cov ntawv thov nyob rau hauv cov chaw zoo li lub khoos phis tawm ntawm lub khoos phis tawm (lub tshuab disk, lub tshuab luam ntawv), cov cuab yeej siv hluav taws xob, thiab cov tsheb sib txawv los ntawm cov qauv dav hlau mus rau lub tsheb. Hauv cov tshuab ntxhua khaub ncaws niaj hnub, brushless DC lub cev muaj zog tau tso cai hloov cov hlua roj hmab thiab cov thawv los ntawm cov qauv siv tsav ncaj qha.

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