直驱式电动机在皮带运输机上的应用

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中图分类号：TD528 文献标志码：B 文章编号：1004-4345（2025）05-0036-05

ApplicationofDirect-DriveMotorsin Belt Conveyors

HU Tao

（Guixi Smelter of Jiangxi Copper CorporationLimited，Guixi，Jiangxi 3354Oo，China）

Abstract Traditional drive systems for belt conveyors commonly employ thecombination of“asynchronous motor + reducer + （20 hydrauliccoupler，hichersfrosssuchslotrasmssonfiencyigrgsumptiondfreqentce. Toaddress these problems，aretrofit scheme usingadirect-drivethree-phasepermanent magnetsynchronous motor pairedwitha low-voltagefrequencyconverterisproposed.Byanalyzingtheperformanceadvantagesofpermanentmagnetmotorsintermsof structuraleffciencypowerfacto，andlowspeedighoquecaracterisic，andcombiningithpracticalretrofitcaseofabelt conveyorintheblendingplantofacoppersmelter，thispaperelaboratesontheselectioncriteria，instalationprocedures，and frequencyconversioncontrolstrategiesfortepermanentmagetdirect-drivesystem.Practicalresultsshowthataftertheretrofit，te system'trassistldsieltli enhanced，and maintenance workload is decreased，providing areferable technical pathway for energy saving renovations of belt conveyor systems in similar industrial scenarios.

Keywordspermanent magnet synchronous motor;beltconveyor；energy-savingrenovation;direct-drive system; low-voltage frequency converter

随着智能工厂建设与“双碳”目标推进，电机系统节能已成为工业降耗的关键路径，其改造主要围绕电机本体效能提升与传动系统能效优化两方面展开。（剩余7457字）