矿用永磁接触器PI恒流充电控制器设计  

Design of PI Constant Current Charging Controller for Mining Permanent Magnet Contactor

作　　者：黄可诚 汪先兵 彭靳 侯子扬 彭纪玉 HUANG Kecheng;WANG Xianbing;PENG Jing;HOU Ziyang;PENG Jiyu(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)

机构地区：[1]安徽理工大学电气与信息工程学院,安徽淮南232001 [2]滁州学院机械与电气工程学院,安徽滁州239000

出　　处：《电器与能效管理技术》2023年第12期53-59,共7页Electrical & Energy Management Technology

基　　金：安徽省传统专业改造提升项目(2022zygzts080);安徽省教育厅高校学科(专业)拔尖人才学术资助项目(gxbjZD2020088);安徽省高等学校科研计划重点项目(2022AH051085)。

摘　　要：为提高永磁接触器中储能电容的使用寿命,进而保证矿井下永磁接触器工作的可靠性,提出了一种基于比例积分(PI)算法的储能电容恒流充电控制策略。通过MATLAB搭建PI恒流充电仿真模型,构建了以Buck电路为硬件结构基础的改进型PI恒流充电控制器仿真实验平台。仿真和实验结果表明,储能电容在所提的改进型PI控制器调控下实现了恒流充电,符合预期恒流充电设定的参考值,对于增强电路稳定性、延长储能电容使用寿命以及提高整体控制器智能化程度有着一定的实用意义。To improve the service life of energy storage capacitors in permanent magnet contactors and ensure the reliability of permanent magnet contactors in mines,a constant current charging control strategy for energy storage capacitors based on the proportional integral(PI)algorithm is proposed.A PI constant current charging simulation model is built using MATLAB,and an improved PI constant current charging controller simulation experimental platform based on the Buck circuit hardware structure is constructed.The simulation and experimental results show that the energy storage capacitor can achieve constant current charging under the control of the proposed improved PI controller,which meets the expected reference value for constant current charging.It has practical significance for enhancing the circuit stability,extending the service life of the energy storage capacitor,and improving the overall intelligence of the controller.

关 键 词：永磁接触器 储能电容 恒流充电 比例积分算法 Buck结构 

分 类 号：TM572.2[电气工程—电器]