On the performance parameters of the static excitation system for 1000 MW Nuclear Generators
Energy Research and Information(2011)
Abstract
The 1 000 MW nuclear generator,introduced by Shanghai Generator Works from Siemens AG,adopts a brushless excitation system.The field forcing of the excitation system for the generator is limited due to the limited capacities of the main exciter and rectifier and sometimes cannot meet the requirements of the national grid.The static self and shunt excitation system has a high field forcing factor and a high voltage rise rate,and thus it can be selected as the excitation system for 1 000 MW nuclear generators.In this paper,performance parameters of the main devices for the 1 000 MW nuclear generator excitation system were analyzed,inclusive of the excitation transformer,thyristor rectifier bridge,de-excitation and over-voltage protection,and automatic voltage regulation.
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Key words
static excitation system,mw nuclear generators,performance parameters
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