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This paper presents results from the continued application of a new technique for the remote, on-line partial discharge (OLPD) testing and monitoring of in-service, high voltage (HV) Ex/Atex motors operating in hazardous gas zones. The technique employs high current, wideband, high frequency current transformer (HFCT) sensors located remotely from the motor under test, at the switchboard end of the...
The authors present a paper on the application of a new technique for the remote on-line partial discharge monitoring of the stator insulation condition of in-service, high-voltage rotating machines. The technique applies wideband, ferrite-based high frequency current transformer sensors and high resolution measurement technology. This remote partial discharge monitoring technique has significant...
The authors present a paper on the application of online partial discharge (PD) testing and monitoring technology for the insulation condition assessment of in service medium voltage (MV — 3.3kV to 45kV)) and high voltage (HV — 66kV to 750kV) cables and plant. The paper begins with a short summary of the different economic ‘DRIVERS’ which apply to both public utility and industrial HV networks. The...
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