Publication | Closed Access
On-line diagnostics of high-voltage bushings and current transformers using the sum current method
58
Citations
0
References
2000
Year
On-line DiagnosticsElectrical EngineeringHigh-voltage BushingsSum Current MethodEngineeringHigh Voltage EngineeringElectrical TransmissionSubstation WorkElectric Power TransmissionPower ElectronicsCurrent TransformersElectric Power DistributionPower Systems
Experience with the application of the sum current method to on-line diagnostics of high-voltage bushings and current transformers is presented. The method and analysis are described along with field experience obtained at fourteen substations, comprising 56 sets of (three) bushings and current transformers. The influences of temperature, humidity and changes in more than one bushing are discussed.