论变频器运行过程中存在的问题及其对策

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1、摘要变频器，也称为变频驱动器或驱动控制器。变频器是可调速驱动系统的一种，是应用变频驱动技术改变交流电动机工作电压的频率和幅度，来平滑控制交流电动机速度及转矩。自80年代通过变频器进入中国市场以来，得到了广泛应用。但随着应用范围的扩大，暴露出来的问题也越来越多。如谐波问题、变频器负载匹配问题、发热问题。以上这些问题已经引起了有关管理部门和厂矿的注意并制定了相的技术标准。研究变频器运行过程中存在的各类问题，具有十分重要的意义。本文拟在搜集资料，对各类变频问题的分析的基础上，梳理变频器运行过程中存在的问题，并探讨各类问题的解决方案。关键词:变频器；谐波；负载；

2、发热AbstractPowerenterprisesystemistoohotforequipmentmanytimes,downtimeresultingfromblastfurnaceattheaccident.thisarticleanalyzestheelectricalequipmentfailureofelectricitycompaniesisthereasonforthefailureofelectricalequipmentforobservationandanalysis,thisclassisdividedmainlyintoane

3、xternalandinternalproblemswithtwomajortypes；analysisandinnormalcircumstanceswereresponsibleforelectricalequipment;theresistanceandlosses,mediumandthedefectofthethreeformsofviolenceandtreatmentmeasures,andthecommontestthetemperatureoftheelectricalequipmentandtechniquesfordiagnosis

4、theelectricalequipmentfailureofthedefectsandinsulatingperformanceareliableestimate,thetraditionaltestofpreventiverepairselectricalequipmenttopredictthestate.thisisalsoamodernenterprisedevelopment.accordinglytheelectricalequipmentmaybehiddeninahot,andimprovetheoperationofequipment

5、security.Keywords:the frequencyconverter,electricalequipment,operation天津大学网络教育学院本科毕业设计（论文）目录1绪论····························································12存在的问题及对策············································22.1谐波问题及对策······································22.2噪声与振动及其对策·········

6、·························22.3振动问题及对策······································32.4负载匹配及对策······································32.5发热问题及对策············································33故障实例及对策分析18天津大学网络教育学院本科毕业设计（论文）··········································53.1误操作故障··················

7、························53.2使用条件造成的故障··································63.3变频器应用中的常见问题及处理方法····················64变频器选型及安装注意事项································114.1变频器的选择······································114.2变频器安装注意事项·······························13结论·························

8、·······················15致谢·············