On-line partial discharge measurement in hydrogen-cooled generators

Abstract

Turbine generators in nuclear, coal, oil and some gas-fired power plants are normally rated above a few hundred megawatts. Such machines tend to be hydrogen-cooled (and above 500 MW or so, both direct-water and hydrogen-cooled). Hydrogen-cooling has many advantages, but one of the important features is the suppression of partial discharge (PD) activity by… (More)

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