预览加载中,请您耐心等待几秒...
1/3
2/3
3/3

在线预览结束,喜欢就下载吧,查找使用更方便

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

关于电梯平衡系数检验中电流测量点的探讨 Introduction 电梯平衡系数检验是指检测电梯在各种工作条件下的能量消耗,包括电能和机械能两个方面。为了保证电梯的安全性和性能稳定性,平衡系数必须符合国际和国内的相关技术标准。而电流测量点的选择对平衡系数检验结果的影响也很重要。 Inthispaper,wewilldiscusstheselectionofcurrentmeasuringpointsinthebalancecoefficienttestofelevators.Specifically,wewillanalyzetheimpactofcurrentmeasurementpointsonaccuracyandefficiencyofthebalancecoefficienttest,andprovidesomesuggestionsforselectingcurrentmeasuringpoints. Theimportanceofcurrentmeasuringpointsinbalancecoefficienttest Inbalancecoefficienttestofelevators,currentmeasurementisakeyparameterthataffectstheaccuracyofthetest.Currentflowreflectstheenergyconsumptionoftheelevatorsystem,whichisoneoftheimportantindicatorsofsystemperformance.Whenselectingcurrentmeasuringpoints,thefollowingfactorsshouldbeconsidered: 1.Accuracy Thefirstimportantfactorisaccuracy,whichreflectshowclosethemeasurementistothetruevalue.Inthebalancecoefficienttestofelevators,theaccuracyofcurrentmeasurementisparticularlyimportant,becauseimproperselectionofcurrentmeasuringpointsmaycausemeasurementerrorsthatwillaffecttheaccuracyofthebalancecoefficienttestresults. 2.Efficiency Anotherimportantfactorisefficiency,whichisrelatedtothetimelinessandcostofthebalancecoefficienttest.Efficiencyismainlydeterminedbythenumberandlocationofthecurrentmeasurementpoints.Themoremeasuringpointsthereare,themoreaccuratethemeasurementislikelytobe,butthemoreexpensiveitwillbeandthelongeritwilltake. Factorstobeconsideredwhenselectingcurrentmeasuringpoints 1.Systemstructure Thefirstfactortoconsiderwhenselectingcurrentmeasuringpointsisthesystemstructureoftheelevator.Differenttypesofelevatorshavedifferentstructures,whichwillaffecttheselectionofcurrentmeasuringpoints.Forexample,inthetractiondriveelevator,thecurrentmeasurementpointisusuallyselectedattheoutputoftheinverter,whileinthehydraulicdriveelevator,thecurrentmeasurementpointisusuallyselectedattheoutputofthehydraulicpump. 2.Systemload Thesecondfactortoconsiderwhenselectingcurrentmeasuringpointsisthesystemload.Theloadlevelofelevatorsys