逆变器单神经元自调节PID电流控制策略研究  

Research on Single Neuron Adaptive PID Current Control Strategy for Inverter

作　　者：张科 刘刚 王秀茹 黄华峰 韩少华 王科龙 ZHANG Ke;LIU Gang;WANG Xiuru;HUANG Huafeng;HAN Shaohua;WANG Kelong(Suqian Power Supply Company,State Grid Jiangsu Electric Power Co.,Ltd.,Suqian 223800,Jiangsu,China;Shanghai Jinzhi Shengdong Power Technology Co.,Ltd.,Shanghai 200233,China)

机构地区：[1]国网江苏省电力有限公司宿迁供电分公司,江苏宿迁223800 [2]上海金智晟东电力科技有限公司,上海200233

出　　处：《电气传动》2021年第11期62-67,共6页Electric Drive

基　　金：国家重点研发计划(2018YFB2100100)。

摘　　要：以光伏发电系统中的T型三电平逆变器系统为对象,针对光伏发电系统随光照影响较大而导致逆变器功率波动问题,传统的PID调节器在并网电流频繁切换给定时难以达到预期的快速性效果,提出一种单神经元自调节PID调节器并网电流闭环控制应用于T型三电平逆变器中,能够实现光照情况不同的情况下并网电流的快速跟踪以及平滑切换。搭建了实验平台,实验波形验证了所提方案的正确性与有效性。The T-type three-level inverter system in photovoltaic power generation system was taken as the object of study,aiming at the problem of power fluctuation of the inverter caused by the large influence of solar energy in photovoltaic power generation system,the traditional PID regulator is difficult to achieve the expected fast effect when the grid-connected current is frequently switched,therefore,a single neuron adaptive PID regulator gridconnected current closed-loop control applied to T-type three-level inverters was proposed,which can achieve fast tracking and smooth switching of grid-connected current under different lighting conditions.An experimental platform was built.The experimental waveforms verify the correctness and effectiveness of the proposed scheme.

关 键 词：T型三电平逆变器 单神经元自调节PID调节器 并网电流 快速跟踪 

分 类 号：TM464[电气工程—电器]