【英文标准名称】:Low-voltageswitchgearandcontrolgear-Part8:Controlunitsforbuilt-inthermalprotection(PTC)forrotatingelectricalmachines
【原文标准名称】:低压开关和控制设备.第8部分:旋转电机用嵌入式热保护(PTC)控制装置
【标准号】:IEC60947-8Edition1.1-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC17B
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThispartofIEC60947specifiesrulesforcontrolunits,whichperformtheswitchingfunctionsinresponsetothethermaldetectorsincorporatedinrotatingelectricalmachinesaccordingtoIEC60034-11,andtheindustrialapplication.Itspecifiesrulesforthattypeofsystemcomprisingapositivetemperaturecoefficient(PTC)thermistordetectorhavingparticularcharacteristics,anditsassociatedcontrolunit.ThePT100detectorsarecoveredbyIEC60751,wheretheresistorvaluesaregivenaccordingtothetemperaturesofthedetector.Thepresentruleslaydownthecharacteristicsofassociationofthisparticularpositivetemperaturecoefficientthermistordetectoranditsassociatedcontrolunit(designated“MarkAdetector”and“MarkAcontrolunit”),whentheyareusedinthermalprotectionsystems.NOTEItisnotpossibletospecifyalltherequirementsfortheoperatingcharacteristicsofacontrolunit,astheyaredependentonsomeaspectsofthethermaldetectors.Someaspectsoftherequirementsofthethermalprotectorsystemcanonlybespecifiedwhenaccountistakenofthecharacteristicsoftherotatingmachinetobeprotectedandthemethodofinstallationofthedetectorwithinthemachine.Forthesereasons,foreachcharacteristicitisnecessarytospecifywhoisresponsibleforstatingtherequiredvaluesandwhoisresponsibleforcompliancewiththerequirementandforcarryingoutanyconfirmatorytest.
【中国标准分类号】:K32;K31
【国际标准分类号】:29_130_20
【页数】:65P;A4
【正文语种】:英语