Reliability Verification Method of 6.6kv Mobile Emergency Power Supply in Nuclear Power Plant

Abstract

The invention relates to a reliability validation method of a 6.6KV mobile emergency power source of a nuclear power station. The reliability validation method of the 6.6KV mobile emergency power source of the nuclear power station includes the following steps: performing feasibility analysis on a loaded auxiliary feed water pump for the 6.6KV mobile emergency power source, and judging whether the 6.6KV mobile emergency power source meets experiment conditions of the 6.6KV mobile emergency power source; performing an experiment of loading the 6.6V mobile emergency power source with a rated load, and outputting experiment parameters of loaded capacity; judging loaded capacity of the 6.6V mobile emergency power source according to the experiment parameters of the loaded capacity; performing a water feeding experiment on the loaded auxiliary feed water pump, and outputting experiment parameters of the water feeding experiment of the loaded auxiliary feed water pump; judging water feeding ability of the loaded auxiliary feed water pump of the 6.6KV mobile emergency power source according to the water feeding experiment of the loaded auxiliary feed water pump. The reliability validation method of the 6.6KV mobile emergency power source of the nuclear power station can overall verify whether all properties of the 6.6KV mobile emergency power source meet design requirements or not, enhances reliability of the 6.6KV mobile emergency power source of the nuclear power station, and improves defense ability in depth for the nuclear power station.

Description

technical field [0001] The invention relates to the technical field of nuclear power, and more specifically, relates to a method for verifying the reliability of a 6.6kV mobile emergency power supply of a nuclear power plant. Background technique [0002] The emergency diesel generator system, as the third power source of the nuclear power plant and the only backup power source, plays a very important role in the nuclear power plant. In the event of an accident or loss of off-site power supply, the emergency diesel generator will automatically start, and provide emergency medium-voltage power to auxiliary equipment related to the safety shutdown of the reactor, so that the reactor protection system and its controlled equipment can operate normally, ensuring personnel, Safety of major equipment. [0003] At present, in China's improved million-kilowatt (1000MW) pressurized water reactor nuclear power plant (hereinafter referred to as CPR1000 nuclear power plant), each unit i...

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Problems solved by technology

[0011] In the above-mentioned existing debugging technical scheme, there is a lack of a test with a rated load on the 6.6kV mobile emergency power supply, and a lack of verification and inspection of real simulated operation, so it cannot be fully verified that the performance of the 6.6kV mobile emergency power supply meets the design requirements

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