[1]吕雪斌,张搏宇,贺子鸣,等.特高压避雷器工频电压耐受时间特性研究[J].电瓷避雷器,2017,140(06):51-56.[doi:10.16188/j.isa.1003-8337.2017.06.009]
 Lü Xuebin,ZHANG Boyu,HE Ziming,et al.Research on Power-Frequency Voltage?Withstand?Time Characteristic of UHV MOA[J].,2017,140(06):51-56.[doi:10.16188/j.isa.1003-8337.2017.06.009]
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特高压避雷器工频电压耐受时间特性研究()
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《电瓷避雷器》[ISSN:1006-6977/CN:61-1281/TN]

卷:
140卷
期数:
2017年06期
页码:
51-56
栏目:
避雷器
出版日期:
2017-12-10

文章信息/Info

Title:
Research on Power-Frequency Voltage?Withstand?Time Characteristic of UHV MOA
作者:
吕雪斌张搏宇贺子鸣张翠霞殷禹时卫东
中国电力科学研究院,北京 100192
Author(s):
Lü Xuebin ZHANG Boyu HE Ziming ZHANG Cuixia YIN Yu SHI Weidong
China Electric Power Research Institute,Beijing 100192
关键词:
特高压 避雷器 电阻片 工频电压耐受时间特性 温度 能量
Keywords:
UHVMOA varistor power-frequency voltage withstand time characteristics temperature energy
DOI:
10.16188/j.isa.1003-8337.2017.06.009
文献标志码:
A
摘要:
工频电压耐受时间特性是避雷器最重要的技术参数之一,关系着避雷器的额定电压等基本参数的选择及避雷器长期安全可靠性。结合现有试验条件和标准规定,研究了特高压避雷器用电阻片工频电压极限耐受时间特性试验方法,并选取4种电阻片开展了试验研究。提出若某一特高压工程的工频暂时过电压低于线路侧1.4 pu或母线侧1.3 pu时,从工频电压耐受的角度考虑,可适当进一步降低特高压避雷器的额定电压至780 kV。推荐特高压变电站高抗中性点避雷器采用4柱并联结构;不建议采用单柱结构。
Abstract:
Power-frequency voltage withstand time characteristics is one of the most important technical parameters of metal-oxide arrester,which related to the selection of basic parameters, such as the rated voltage of the MOA, and the long-term safety and reliability of the MOA. According to the standard requirements and the actual conditions of test equipments, the test method of power-frequency voltage withstand time characteristics is studied and the experimental study on four kinds of varistors is carried out. It may be appropriate to further reduce the rated voltage of UHV arrester to 780 kV if the power frequency over voltage is lower?than 1.4 pu or 1.1.3 pu on the busbar side. It is recommended that neutral point arrester of UHV substation should contain four parallel varistor, but not a single column structure.

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备注/Memo

备注/Memo:
收稿日期:2016-11-09 作者简介:吕雪斌(1973—),工程师,长期从事避雷器相关科研和质量检测工作。 基金项目:国家电网公司科技项目(编号:XTB17201600058)。
更新日期/Last Update: 2017-12-10