简介:Anovelnon-communicationprotectionbasedonadaptivetrippingandreclosuretechniquefortransmissionlines,Astudyoneffectonsimulationbyusingreducedmodeloftransmissionnetworkforreal-timepowersystemsimulator,AdvanceoftheGroundRelayoftheLineProtection,AnapplicationofanANN-basedprotectiverelayforfaultdetectionusingwavelettransform,AnIntegratedSupportSystemforProtectiveRelaySettingDesignedtoEnhanceFunctionLinkageandImproveDataReusability。
简介:Agraphicalblockplatformforreal-timeDSP-baseddigitalrelaydevelopment,AnAdaptiveSchemetoPreventUndesirableDistanceProtectionOperationDuringVoltageInstability,ArtificialNeuralNetworkbasedComparatorsforGeneratingDistanceRelayCharacteristics,Discrete-Fourier-transform-basedtechniqueforremovalofdecayingDCoffsetfromphasorestimates.
简介:摘要针对一起我省某变电站完成220kV××乙线由II母倒至I母,II母分列运行的操作中,II母母线刀闸辅助转换开关常闭接点因接触不良而未能接通,由于该电压切换回路设计按照电压切换部分采用双位置继电器,告警监视继电器采用常规电压继电器并串入母线刀闸常开接点的模式。导致乙线保护CZX-12R1操作箱电压切换回路因承担充电电流而发热。进而导致操作箱电压切换回插件、C相出口插件烧毁。进行阐述220kV线路保护电压切换相关回路双位置继电器应用,进一步做好电压切换相关回路并确保失灵动作准确性。