大型泵站主电机调速方式的选择

大型泵站主电机调速方式的选择电工电气(2014No．1)大型泵站主电机调速方式的选择龚维明，陆一忠，赵培江。，莫岳平，陆臻辉(1江苏省江都水利工程管理处，江苏扬州225200；2江苏省防汛防旱指挥部，江苏南京210029；3苏州市吴江区水利局，江苏苏州2152004扬州大学水利与能源动力工程学院，江苏扬州225127)摘要：分析了定子变频调速方式在泵站的应用情况及其优缺点；介绍了在风力发电中获得大量应用的交流励磁电机在泵站中应用的可行性；研究了已在自来水厂等获得成功应用的内反馈调速方式在泵站中的应用前景。提出应在大中型泵站建设与改造中积极推广应用新型调速方式，以达到节约投资、节约能源和提高泵站技术的目的。关键词：泵站；变频调速；交流励磁电机；内反馈调速中图分类号：TM343．4文献标识码：A文章编号：Selection0fMainMotorSpeedControlMethodinLarge-SizedPumpingStationGONGWei—ming。，LUYi—zhong，ZHAOPei-jiang，MOYue—ping，LUZhen—hui(1JiangduWaterControlProjectManagementOfficeofJiangsuProvince,Yangzhou225200，China；2FloodandDroughtDisasterPre—ventionCommandOfficeofJiangsuProvince,Nanjing210029，China；3WujiangWaterResourcesBureau，Suzhou215200，China；4SchoolofHydraulic,EnergyandPowerEngineering,YangzhouUniversity,Yangzhou225127，China)Abstract：Analysiswasmadetotheapplicationanditsadvantagesanddisadvantagesofstatorvariablefrequencyspeedcontrolmethodinpumpingstation．IntroductionwasmadetothefeasibilityofapplicationforACexcitationmotorswithalargeamountofapplicationinwindpowergenerationinpumpingstation．Thispaperstudiedtheapplicationprospectofinnerfeed—backspeedcontrolmethodwhichhasbeensuccessfullyappliedintapwatersupplyplantsinpumpingstation．Duringthebuildingandrebuildingoflarge—sizeandmedium—sizepumpingstations，newtypeofspeedcontrolmethodwasactivelypopularized，SOastoreachinvestmentsaving，energysavingandliftingpumpingstationtechnologygoals．Keywords：pumpingstation；variablefrequencyspeedcontrol；ACexcitationmotor；inner—feedbackspeedcontrol0引言据200