局放Field experiences using radio frequency scanning(RFS) to detect partial discharge(PD) in bus duct and metal clad switchgear of electrical generating and transmission substations.pdfVIP

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局放Field experiences using radio frequency scanning(RFS) to detect partial discharge(PD) in bus duct and metal clad switchgear of electrical generating and transmission substations.pdf

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2012 IEEE 10th International Conference on the Properties and Applications of Dielectric Materials July 24-28,2012, Bangalore, India Field Experiences Using Radio Frequency Scanning (RFS) to Detect Partial Discharge (PD) in Bus Duct and Metal Clad Switchgear of Electrical Generating and Transmi ion Substations. J.E.Acevedo Doble Engineering Company Email: jacevedo@ Abstract- It is well known that the occurrence and technique, allowing engineers to assess the condition of evolution of partial discharge phenomena within individual HV electrical apparatus as part of a electrical insulation can lead to their destruction. Early substation surveillance program. It has long been detection of this phenomenon can avoid catastrophic observed that corona discharge pulses and micro-gap failures of electrical equipments installed on discharges occurring on high-voltage power transmission, distribution and generating stations. In this transmission and distribution lines could disrupt radio paper, two practical experiences using radio frequency and television reception. This noise was frequently the scanning to detect partial discharge activity in electrical result of a defect in the system, which, if unchecked, equipments are described. In the first case, partial sooner or later could result in an outage. RFI scanning discharge activity in two of thre