A design system and method for nuclear power plant communication power supply

Abstract

The present invention provides a design system and method for a communication power supply of a nuclear power plant, including: a power input component, which has three independent power input screens and / or input boxes, respectively correspondingly connected to three different power sources; Under normal and accident conditions (including LOOP conditions and SBO conditions), the power input component selects a row of three different power supplies; UPS components are used to supply power to the communication system under normal or accident conditions; In some cases, the UPS components only supply power to the emergency communication AC load equipment of the nuclear power plant. The invention has the ability to maintain power supply for the communication system in the SBO working condition and the SBO diesel engine failure access mobile emergency diesel engine working condition, and satisfies the requirement that effective communication means are available after all hypothetical initiating events and in accident working conditions. At the same time, it avoids the power loss of most communication systems caused by single-point failure of the dual-channel AC input screen, and improves power utilization efficiency and expansion capability.

Description

technical field [0001] The invention relates to the technical field of nuclear power plants, in particular to a design system and method for a communication power supply of a nuclear power plant. Background technique [0002] The nuclear power plant communication power system installed in the central computer room of the nuclear power plant communication network is the heart of the nuclear power plant communication system, and plays a pivotal role in the normal operation of the entire plant communication system. The communication power supply system of the nuclear power plant must not only maintain normal operation during the normal operation of the nuclear power plant, but also cannot be paralyzed under accident conditions. Effective means of communication are available. The accident conditions of nuclear power plants that have a major impact on communication power mainly include: SBO (Station (Supply) Black Out, power station supply interruption / plant-wide power outage ac...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems that the current nuclear power plant communication power supply system cannot maintain power supply under the power supply accident SBO working condition and the SBO diesel engine fails to connect to the mobile emergency diesel engine, and the system power distribution equipment is improperly configured, has poor reliability and low power utilization efficiency Problem, combined with the existing technical status in the nuclear power plant, the present invention proposes a design system and method for the communication power supply of the nuclear power plant. The specific technical scheme is as follows:

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