Suzhou Electric Appliance Research Institute
期刊号: CN32-1800/TM| ISSN1007-3175

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核电厂电气设备抗震能力鉴定方法探讨

来源:电工电气发布时间:2019-01-21 13:21 浏览次数:749
核电厂电气设备抗震能力鉴定方法探讨
 
阮善发,初文婷,吴梅英
(河海大学 结构抗震实验室,江苏 南京 210098)
 
    摘 要:探讨了核电设备抗震能力鉴定试验基本过程及评价方法,试验采用的阻尼比通常采用白噪声扫描或正弦扫描的方法测得,提出了阻尼比及地震反应谱量级的确定原则,确定鉴定结论的可接受性。针对目前抗震考核中电气设备的安装环境模拟存在不足之处,给出了改进措施与方法。根据核电站不同电气设备工作的复杂性和多样性特点,列出了几种常用的电气性能监测电路原理图,并给出了具体的电气性能评价方法。
    关键词:核电站;反应谱;地震波;抗震能力鉴定;阻尼比
    中图分类号:TM506     文献标识码:B     文章编号:1007-3175(2019)01-0046-04
 
Discussion on Aseismatic Capability Qualification Method of Electrical Equipment for Nuclear Power Plant
 
RUAN Shan-fa, CHU Wen-ting, WU Mei-ying
(Laboratory of Structural and Aseismatic Engineering, Hohai University, Nanjing 210098, China)
 
    Abstract: This paper discussed the basic process and evaluation method of nuclear power equipment seismic capacity qualification test. The adopted damping ratio in the test could be obtained by white noise scanning or sinusoidal scanning.This paper proposed the certainty principle of damping ratio and earthquake response spectrum order and determined the acceptability of qualification conclusion.Aiming at the installation environment of electrical equipment in current aseismatic examination, this paper simulated the shortcomings and gave the improved measurements and methods.According to the complicated work and diverse characteristics of different electrical equipment in nuclear power plants, this paper listed the several kinds of common electrical performance monitoring circuit schematic and gave the specific evaluation methods for electrical performance.
    Key words: nuclear power station; response spectrum; seismic wave; shock resistance appraisal; damping ratio
 
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