基于RT-LAB、RTE-Drive的光伏并网发电系统半实物建模及仿真研究  

Semi-Physical Modeling and Simulation of Grid-connected Photovoltaic Power Generation System Based on RT-Lab RTE-Drive

作　　者：孙君朋 郑慧丽 刘静 燕晨阳 Sun Junpeng;Zheng Huili;Liu Jing;Yan Chenyang(TBEA Xi'an Electric Technology Co.,Ltd.,Xi'an Shaanxi 710117)

机构地区：[1]特变电工西安电气科技有限公司,陕西西安710117

出　　处：《现代工业经济和信息化》2023年第4期253-255,共3页Modern Industrial Economy and Informationization

摘　　要：以集中式光伏并网发电系统为对象,开展基于RT-LAB、RTE-Drive的光伏并网系统半实物仿真建模研究,针对高开关频率下仿真步长过大引起脉冲失真问题,提出一种针对光伏逆变器的高频脉冲插值仿真方法,并进行对比仿真测试。结果表明,提出的插值仿真方法能够准确捕捉高频脉冲变化情况,提高系统稳定性和响应速度,满足高开关频率测试要求。Taking the centralized photovoltaic grid connected power generation system as the object,this paper carries out the semi physical simulation modeling research of photovoltaic grid connected system based on RT-Lab RTE-Drive.Aiming at the problem of pulse distortion caused by large step size at high switching frequency,a high frequency pulse interpolation simulation method for photovoltaic inverter is proposed.The comparative simulation test is carried out.The results show that the proposed interpolation simulation method can accurately capture the changes of high-frequency pulses,improve the stability and response speed of the system,and meet the requirements of high switching frequency test.

关 键 词：光伏逆变器 高开关频率 插值 半实物 

分 类 号：TM464[电气工程—电器]