Risk of Loss Power for ATWT in Daya Bay and Ling’ao Nuclear Power Stations
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摘要: 为分析没有紧急停堆的预期瞬态(ATWT)保护与其他反应堆保护实现方式的不同,本文以大亚湾及岭澳核电站为依据,从反应堆保护系统的设计原理入手,用系统接线图详细分析了ATWT反应堆保护的实现方式和供电电源丧失对机组的影响。综合上述分析,给出了大亚湾及岭澳核电站在ATWT保护叠加供电电源丢失工况下,重新恢复供电电源时的开关送电顺序。
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关键词:
- 未能紧急停堆的预期瞬变 /
- 反应堆保护 /
- 供电电源
Abstract: In order to analyze the differences between the Anticipated Transient Without Reactor Trip （ATWT） and other reactor protection methods,this paper analyzes in detail the realizing means of ATWT and the effect of lost of power supply on the units based on Daya Bay and Ling’ao Nuclear Power Stations by system wiring diagram.Based on the comprehensive analysis,this paper proposes the sequence for powering when recovering the power source after ATWT power supply（LCC / LNE） loss for Daya Bay and Ling’ao Nuclear Power Stations. -
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