[1]庚振新,林 莘,郭煜敬,等.电机转矩波动对断路器运动速度影响的研究[J].高压电器,2020,56(07):63-68.[doi:10.13296/j.1001-1609.hva.2020.07.010]
 GENG Zhenxin,LIN Xin,GUO Yujing,et al.Research on the Influence of Motor Torque Ripple on the Moving Speed of Circuit Breaker[J].High Voltage Apparatus,2020,56(07):63-68.[doi:10.13296/j.1001-1609.hva.2020.07.010]
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电机转矩波动对断路器运动速度影响的研究()
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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:
63-68
栏目:
研究与分析
出版日期:
2020-07-20

文章信息/Info

Title:
Research on the Influence of Motor Torque Ripple on the Moving Speed of Circuit Breaker
作者:
庚振新1 林 莘1 郭煜敬2 王子驰2 李少华2 徐建源1屈 凯1 黄晓明3
(1. 沈阳工业大学电气工程学院, 沈阳 110870; 2. 平高集团有限公司, 河南 平顶山 467001; 3. 国网浙江省电力有限公司, 杭州 310007)
Author(s):
GENG Zhenxin1 LIN Xin1 GUO Yujing2 WANG Zichi2 LI Shaohua2 XU Jianyuan1QU Kai1 HUANG Xiaoming3
(1. School of Electrical Engineering, Shenyang University of Technology, Shenyang 110870, China; 2. Pinggao Group Co, Ltd., Henan Pingdingshan 467001, China; 3. State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310007, China)
关键词:
真空断路器 电机操动机构 动触头速度 转矩波动 合闸速度
Keywords:
VCB motor operating mechanism moving contact speed torque ripple closing speed
DOI:
10.13296/j.1001-1609.hva.2020.07.010
摘要:
为了减小驱动电机换相转矩波动对真空断路器动触头运动速度的影响,提出一种换相期间PWM调制电机驱动回路开关管的方法。根据电机操动机构的工作原理,计算得到断路器动触头运动速度与电机输出转矩之间的数学关系,同步调节换相过程中各开关管触发信号PWM的占空比,减小输出转矩下降幅度,提高动触头运动速度。真空断路器电机操动机构联机实验结果表明,换相期间采用PWM调制的动触头运动速度整体得到提升,断路器平均合闸速度提高了0.21 m/s。
Abstract:
To reduce the influence of drive motor commutation torque ripple for vacuum circuit breaker(VCB)moving contact speed, a method of Pulse-width modulation(PWM) to switching tubes during the motor commutation is proposed. According to the motor operating mechanism of VCB, the relation between the moving contact speed and the motor torque is calculated. During the motor commutation, the duty ratios of the opening switching tube and the closing switching tube are regulated respectively, so as to reduce the decline of motor output torque, the moving contact speed is increased. Through the experiment on VCB, the results show that the moving contact speed is raised entirely after PWM modulation during the commutation period. The average closing speed of VCB is raised by 0.21 m/s.

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备注/Memo

备注/Memo:
收稿日期:2020-01-07; 修回日期:2020-02-20 基金项目:国家电网公司科技项目资助(52110418001Z)。 Project Supported by Science and Technology Project of SGCC(52110418001Z).庚振新(1983—),男,博士,工程师,主要从事高压电器绝缘与测试研究。 林 莘(1961—),女,博士,教授,博导,主要从事高压电器绝缘与开断技术研究。
更新日期/Last Update: 2020-07-25