[1]陈鹤冲,陈轩恕,刘 波,等.一种发电机保护用断路器布置方案的动稳定校核及仿真分析[J].高压电器,2020,56(07):86-93.[doi:10.13296/j.1001-1609.hva.2020.07.013]
 CHEN Hechong,CHEN Xuanshu,LIU Bo,et al.Dynamic Stability Check and Simulation Analysis of a Circuit Breaker Layout Scheme for Generator Protection[J].High Voltage Apparatus,2020,56(07):86-93.[doi:10.13296/j.1001-1609.hva.2020.07.013]
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一种发电机保护用断路器布置方案的动稳定校核及仿真分析()
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《高压电器》[ISSN:1001-1609/CN:61-11271/TM]

卷:
第56卷
期数:
2020年07期
页码:
86-93
栏目:
研究与分析
出版日期:
2020-07-20

文章信息/Info

Title:
Dynamic Stability Check and Simulation Analysis of a Circuit Breaker Layout Scheme for Generator Protection
作者:
陈鹤冲1 陈轩恕1 刘 波1 张 嵩2 杜 玮1
(1. 国网电力科学研究院, 武汉 430074; 2. 哈尔滨供电局有限公司, 哈尔滨 150006)
Author(s):
CHEN Hechong1 CHEN Xuanshu1 LIU Bo1 ZHANG Song2 DU Wei1
(1. State Grid Electric Power Research Institue,Wuhan 430074, China; 2. Harbin ELectric Power Limited Company, Harbin 150006, China)
关键词:
紧耦合电抗器 真空断路器 动稳定校核 仿真分析 发电机出口保护
Keywords:
tightly coupled reactor vacuum circuit breaker dynamic stability check simulation analysis generator outlet protection
DOI:
10.13296/j.1001-1609.hva.2020.07.013
摘要:
目前国内大功率试验站的发电机断路器短路开断电流较低,文中研发了一种基于紧耦合分裂电抗器的发电机出口保护用真空断路器,它能开断160 kA的短路大电流。然而过大的短路电流会在整套装置上产生过大的电动力,若布置方案设计不当,整套装置将无法承受短路电流产生的电动力,造成装置的损坏。因此文中提出了该套装置的成套布置方案,该方案将电抗器用铜排与断路器连接起来,最后需要对该布置方案进行动稳定校核。首先运用电路分析及数学计算的方式对矩形母线进行了短路动稳定校验和绝缘子动稳定校验;并利用Ansoft仿真软件对电抗器出线铜排进行仿真分析,用Solidwork Simulation仿真软件对连接支架进行了受力仿真分析;最后对成套装置进行了型式试验。结果表明了该布置方案的安全可靠性。
Abstract:
At present, the short circuit breaking current of the generator circuit breaker in the domestic high power test station is relatively low. The National Institute of Electricity and Technology has developed a vacuum circuit breaker for generator outlet protection based on tightly coupled split-reactor. It can turn off the short circuit and large current of 160 kA. However, too large a short circuit current can produce too much electric power on the whole device. If the layout scheme is not properly designed, the whole device will be unable to withstand the electrical power generated by the short circuit current, resulting in damage to the device. Therefore, this paper puts forward a complete set of layout scheme for this set of devices. This scheme connects reactor with circuit breaker by copper bar. Finally, it is necessary to check the dynamic stability of the layout. In this paper, the short-circuit dynamic stability check and insulator dynamic stability check are carried out by using circuit analysis and mathematical calculation. And Ansoft simulation software is used to simulate the copper bar of the reactor outlet. The mechanical simulation analysis of the connection support is carried out by using Solidwork Simulation software. Finally, the type test is carried out to prove the safety and reliability of the arrangement.

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备注/Memo

备注/Memo:
收稿日期:2020-01-30; 修回日期:2020-03-28 基金项目:国家电网科技项目(524625160019);南瑞集团科技项目(524625160035)。 Project Supported by State Grid Sience and Technology Project(524625160019),NARI Group Science and Technology Project(524625160035).
更新日期/Last Update: 2020-07-25