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High Voltage Testing of Gas (SF6) Insulated Substation

John De Britto C    

Resumen

A resonant test system with variable frequency has been used to perform the On-Site Testing. The paper mainly describes about the concept of High Voltage testing using resonant test system with variable frequency and the concept of high voltage fault sensing and tripping mechanism. A design of a 220 V switchgear arrangement is described and performance of high voltage testing is explained. A fault sensing circuit along the arrangement has also been briefed. 

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