[1]程永锋,刘振林,卢智成,等.软导线互连电气设备回路抗震试验研究[J].地震工程与工程振动,2018,(02):168-175.[doi:10.13197/j.eeev.2018.02.168.chengyf.019]
 CHENG Yongfeng,LIU Zhenlin,LU Zhicheng,et al.Study on the seismic test of electrical equipments interconnection circuit with flexible bus[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2018,(02):168-175.[doi:10.13197/j.eeev.2018.02.168.chengyf.019]
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软导线互连电气设备回路抗震试验研究
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《地震工程与工程振动》[ISSN:/CN:]

卷:
期数:
2018年02
页码:
168-175
栏目:
论文
出版日期:
2018-08-03

文章信息/Info

Title:
Study on the seismic test of electrical equipments interconnection circuit with flexible bus
作者:
程永锋 刘振林 卢智成 李圣 刘海龙 钟珉
中国电力科学研究院, 北京 100055
Author(s):
CHENG Yongfeng LIU Zhenlin LU Zhicheng LI Sheng LIU Hailong ZHONG Min
China Electric Power Research Institute, Beijing 100055, China
关键词:
特高压复合材料电气设备软导线冗余长度互连回路抗震性能振动台试验
Keywords:
UHV composite material electrical equipmentflexible busredundancy lengthinterconnection circuitseismic performanceshake table test
分类号:
TB33;TM752
DOI:
10.13197/j.eeev.2018.02.168.chengyf.019
摘要:
复合材料电气设备由于其材料质轻高强、绝缘性能好的特点,在电网工程中得到了推广应用。为研究特高压复合材料电气设备在软导线连接回路中的抗震性能, 采用地震模拟振动台试验,研究5种不同软导线冗余长度的回路系统,在不同地震波波形、加速度峰值和激振力方向影响下设备的加速度和应力变化趋势。试验结果表明:互连回路中在导线连接方向上,刚度大的设备频率降低、刚度小的设备频率增大;地震作用下回路中两设备最大应力均出现在底部绝缘子根部,应力响应基本与加速度峰值呈线性变化关系,竖向地震组合的地震影响系数可按1.40考虑;回路导线冗余长度变化,对小震中设备地震响应影响较大。试验得到的软导线连接回路在地震作用下的响应规律,可为变电站或换流站回路系统抗震设计提供借鉴和参考。
Abstract:
Because of its characteristics of light weight, high strength and good insulation performance, composite electrical equipment has been widely used in power grid engineering. In order to study the seismic performance of UHV composite electrical equipment in flexible bus interconnection circuit, 5 different redundancy length were tested by seismic simulated shaking table to study the acceleration and stress variation of the equipments under the influence of different seismic wave shapes, acceleration peaks and exciting force directions. The results showed that the frequency of the higher stiffness equipment decreased and the other increased. The maximum stress of the two equipments in the circuit under the action of the earthquake is in the bottom of the root insulator. The stress response is linearly related to the acceleration peak. The seismic influence coefficient of the vertical seismic combination can be considered as 1.40. The change of redundant length of bus has a great influence on seismic response of equipments in small seismic. The seismic response rule of the flexible bus connection circuit obtained by test can provide reference for the seismic design of the substation or converter station interconnection circuit.

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备注/Memo

备注/Memo:
收稿日期:2017-07-02;改回日期:2017-10-15。
基金项目:国家电网公司科技项目(GCB17201500063)
作者简介:程永锋(1969-),男,教授级高级工程师,博士,主要从事电力工程地基基础和电网防灾减灾研究.E-mail:m13910096290@163.com
通讯作者:刘振林(1987-),男,工程师,硕士,主要从事电网防灾减灾技术研究.E-mail:liuzhenlin@epri.sgcc.com.cn
更新日期/Last Update: 1900-01-01