Abstract:Sulphur hexafluoride (SF6) is an insulating medium widely used in the power industry due to its high dielectric strength and arc quenching capability. There is a growing interest in identifying an environmentally friendly alternative to SF6 and a mixture of C3F7CN and CO2 is one potential candidate. This project investigates the effect of different electrode materials on the breakdown performance of the aforementioned gas mixture over 300 breakdowns under negative DC. Three sets of rod-plane electrodes manufac… Show more
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