在线测温装置在变电站的应用

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1、目录在线测温装置在变电站的应用摘要···············································11引言·························································································12变电设备电气接触部分发热的产生及危害·····························13变电设备电气接触部分发热的传统发现方法·························13.1利用巡视检查发现发热缺陷······

2、·············································13.2利用停电操作的机会发现发热缺陷········································23.3应用远红外成像仪发现和分析发热缺陷·································24利用在线测温装置检测变电设备电气接触部分发热··············25在线测温装置与传统检查发热缺陷的分析对比······················25.14人工巡视存在的缺陷····················

3、···········································25.2红外成像仪测温的缺点···························································25.3在线测温装置检测发热的特点················································26结束语·····················································································3参考

4、文献·························································································3在线测温装置在变电站的应用张明亮张子见(获嘉县供电有限责任公司，河南新乡获嘉453800)4Thesubstationequipmenttoproduceelectricpartscontactingfeverdefects,usinganinspectiontourandtemperaturemeasuringequipmenttofindfeverdefec

5、t,iscausedextremelyeasilyundetection,delayorfindfaultdetection.Thatfeverforsubstationequipmentdefectsandguaranteethesafeoperation,thispaperintroducesthesubstationequipmentheatcausesofthedefectsandthemethodthatusingonlinetemperaturemeasuringdevices,withtraditionalheatingdefe

6、ctsareanalyzedandsummarizedtheonlinetemperaturemeasurementdeviceintransformersubstation,andpracticalapplicationofsuperiorityandapplicationintransformersubstation.摘要:变电设备电气接触部分容易产生发热缺陷，利用巡视检查和测温设备来发现发热缺陷，极易造成漏检、错检或延误发现时间。为及时发现和处理发热缺陷，保证变电设备安全运行，文中介绍了变电设备发热缺陷产生的原因和发现的方法，用在线测温

7、装置与传统检查发热缺陷进行分析对比，总结了在线测温装置在变电站应用的优越性、实用性，并建议在变电站推广应用。关键词：变电设备发热在线测温装置应用1引言在用电紧张、负荷增长迅速的情况下，变电设备电气接触部分温度异常几率不断上升，但通常发现设备电气接触部分温度异常的方法有巡视、红外测温等传统方法，这些方法存在偏差大、不能及时或无法直接观测发热点等缺陷，再者由于变电站无人和少人值班的实现，巡视、测温周期延长，所以按传统方法检测发热故障，势必造成漏检、错检或延误发现时间。如何及时、正确发现发热故障？这一问题困扰了运行管理部门很多年。目前电力工业技术发

8、展迅速，在线测温装置已投放市场，为此公司选择了性能较好的在线测温装置应用在35kV岳庄变电站，通过运行分析总结，该装置检测设备发热故障具有实时、准确、及时报警、低成