基于RT-LAB光储模型及功率在环实时仿真平台研究

Research on Real Time Simulation of Photovoltaic and Energy Storage Model with the Power in Loop Based on RT-LAB

基于RT-LAB实时仿真软件搭建光伏、储能模型,通过数字物理混合仿真方法为微网控制器接入提供实时仿真模拟平台。设计了一种功率在环接口模型,通过该模块连接数字仿真硬件接口与电压型、电流型功率放大器,放大的电压或电流信号与微网控制器输入端连接,最后将控制器输出端模拟量反馈给数字仿真器,通过仿真数据与真实数据对比分析,验证了该模拟环境的准确性。同时,通过该平台,对分布式微网控制器产品进行测试,提高了测试的效率,降低了测试成本。

Based on the RT-LAB real-time simulation software,this paper builds a photovoltaic and energy storage model,and provides a real-time simulation platform for micro controller access through the digital physical hybrid simulation method.The paper designs a power in loop connection at the interface model.The digital simulation and hardware interface are connected with the voltage type and current type power amplifier through this module.The amplified voltage or current signals are connected with the input of the micro-grid controller.At the end of the process it gives analog quantity feedbacks to the digital simulator.Through the comparison of simulation data and real data,this paper verifies the accuracy of the simulation platform.At the same time,through this platform,a test was given to the micro-grid controller.This can improve the efficiency and reduce the cost.