[1]刘如山,舒荣星,熊明攀.变电站高压电气设备易损性研究[J].自然灾害学报,2018,(01):009-16.[doi:10.13577/j.jnd.2018.0102]
 LIU Rushan,SHU Rongxing,XIONG Mingpan.Vulnerability study for high voltage electrical equipment in substations[J].,2018,(01):009-16.[doi:10.13577/j.jnd.2018.0102]
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变电站高压电气设备易损性研究
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《自然灾害学报》[ISSN:/CN:23-1324/X]

卷:
期数:
2018年01期
页码:
009-16
栏目:
出版日期:
2018-02-28

文章信息/Info

Title:
Vulnerability study for high voltage electrical equipment in substations
作者:
刘如山 舒荣星 熊明攀
中国地震局工程力学研究所, 中国地震局地震工程与工程振动重点实验室, 黑龙江 哈尔滨 150080
Author(s):
LIU Rushan SHU Rongxing XIONG Mingpan
Key Laboratory of Earthquake Engineering and Engineering Vibration, Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China
关键词:
变电站高压电气设备地震烈度破坏概率易损性曲线
Keywords:
substationhigh voltage electrical equipmentseismic intensitydamage probabilityvulnerability curve
分类号:
P315.957;X9
DOI:
10.13577/j.jnd.2018.0102
摘要:
统计了汶川地震中121个110 kV及以上变电站的变压器、电压互感器、电流互感器、断路器、隔离开关、避雷器等6类高压电器设备在不同地震烈度下破坏比,采用正态分布函数及其累积函数拟合了各类高压电气设备基于烈度的破坏概率密度曲线和破坏概率曲线,从而形成各类高压电气设备的易损性曲线。统计结果表明:变电站的各类高压电气设备中,变压器最容易发生破坏,在烈度较低的6、7度区就有少量破坏,烈度为8度时发生破坏的概率密度最大;其它依次为断路器、避雷器、电压互感器、电流互感器、隔离开关,烈度为9度和9度强时破坏概率密度最大;电压互感器、电流互感器、隔离开关的破坏概率曲线非常接近。
Abstract:
In this study, damage ratios of 6 kinds of high-voltage electrical equipment such as transformers, potential transformers, current transformers, circuit breakers, disconnecting switches and lightening arresters, of 121 110 kv-and-above substations under different seismic intensities in the Wenchuan earthquake were counted. All kinds of high voltage electrical equipment were assigned damage probability density function curves and damage probability curves in regard to earthquake intensities fitted by normal distribution function and its accumulation function. Based on the curves, their vulnerability curves were then obtained. The statistical results showed that, for all equipment, transformers were the most vulnerable. Followed in order were:circuit breaker, lightening arresters, potential transformers, current transformers, and disconnecting switches. Transformers showed some minor damages even in districts of low intensities of 6 and 7, and for higher intensity of 8, their damage probability density reached the peak; while other electrical equipment reached their peak damage probability density for intensities 9 or 9 plus. The damage probability curves of potential transformers, current transformers and disconnecting switches were very close.

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备注/Memo

备注/Memo:
收稿日期:2017-06-10;改回日期:2017-11-15。
基金项目:地震行业专项(201508023);中国地震局创新团队发展计划;中国地震局工程力学研究所基本科研业务费专项(2014A01)
作者简介:刘如山(1964-),男,研究员,主要从事地震工程研究.E-mail:liurushan@sina.com
更新日期/Last Update: 1900-01-01