Off-Line Identification of Induction Motor Parameters

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摘要 Thisstudypresentedanoff-lineidentificationmethodofinductionmotor(IM)parameters.Beforestartup,theinverterdriveperformedautomaticallyamodifiedDCtest,alocked-rotortest,ano-loadtestandastep-voltagetesttoidentifyalltheparametersofaninductionmotor.Nomanualoperationandspeedsignalswererequiredintheprocess.Inordertoobtaineffectivemessagesandimprovetheaccuracyofidentification,thediscretefastFouriertransform(DFFT)andtheleast-squareswereusedtoprocessthesignalsofcurrentsandvoltages.Aphase-voltagemeasuringmethodformotorswasalsoproposed,whichmeasureddirectlytheactualconductingtimeofthreeupperswitchesintheinverterwithoutneedforadead-timecompensator.Thevalidity,reliabilityandaccuracyofthepresentedmethodshavebeenverifiedbytheexperimentsonaVSI-fedIMdrivesystem.
机构地区 不详
出处 《电气:英文版》 2005年2期
出版日期 2005年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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