摘要
目的:针对双线圈永磁接触器的合分闸电容充电电路体积大、电容寿命急剧下降的问题,提出一种合分闸电容双向倍压的分回路同步充电控制系统,实现双线圈永磁接触器合分闸电容快速安全充电。方法:构建双向倍压整流电路,使用Multisim建立的仿真模型进行测试,通过PWM波控制充电电路两端电压,并对波形进行分析。结果:对倍压整流电路两端电压进行检测,两端电压可达到350 V,对合分闸充电电容两端充电电压进行控制,可以将充电电压稳定在150 V。结论:该设计实现合分闸电容双向倍压整流功能,一定程度上增加合分闸电容的工作寿命,大大提高电力设备运行的稳定性和安全性。
Objective:Aiming at solving the problems of large volume and sharp decrease of capacitor life of double-coil permanent magnet contactor,a double-voltage double circuit synchronous charging control system of double-coil permanent magnet contactor was proposed to realize fast and safe charging of double-coil permanent magnet contactor.Methods:The bidirectional voltage doubling rectifier circuit was constructed,the simulation model established by Multisim was tested,and the voltage at both ends of the charging circuit was controlled by PWM wave,and the waveform was analyzed.Results:The voltage at both ends of the voltage doubling rectifier circuit was tested,and the voltage at both ends could reach 350 V.The charging voltage at both ends of the closing and opening charging capacitor was controlled,and the charging voltage could be stabilized at about 150 V.Conclusion:The experimental and simulation results showed that the design realized the function of bidirectional voltage doubling rectification of the capacitor,increased the working life of the capacitor to a certain extent,and greatly improved the stability and safety of power equipment operation.
作者
彭纪玉
汪先兵
彭靳
黄可诚
侯子扬
PENG Jiyu;WANG Xianbing;PENG Jin;HUANG Kecheng;HOU Ziyang(School of Electrical and Information Engineering,Anhui University of Science and Technology,Huainan 232001,China;School of Mechanical and Electrical Engineering,Chuzhou University,Chuzhou 239000,China)
出处
《安徽科技学院学报》
2024年第4期94-101,共8页
Journal of Anhui Science and Technology University
基金
安徽省高校学科(专业)拔尖人才学术资助项目(gxbjZD2020088)
安徽省高校自然科学研究项目(2022AH051085)
发光学及应用国家重点实验室开放课题(SKLA-2023-20)。
关键词
双线圈永磁接触器
合分闸电容
双向倍压
同步充电控制
Double coil PM contactor
Closing and breaking capacitors
Bi-directional voltage doubling
Synchronous charging control
