变速变桨距风电机组半实物仿真平台的研发

Hardware-in-loop Simulative Platform for Variable-speed Variable-pitch Wind Generator Systems

为在实验室条件下对风力发电的相关技术进行研究,设计了一种通用的变速变桨距风力发电机组半实物仿真平台。该平台采用数据库仿真风力-桨距角-风机轴功率特性曲线和风速指令曲线,据此控制异步电动机变频系统模拟风力机发出机械转矩。理论分析及实验结果证明,该平台可以对各种风力机进行精确模拟,还可装配各种发电机和并网逆变器作为发电装置,据此可研究不同类型风电系统的能量优化技术以及并网控制问题。

A hardware-in-loop simulative platform for variable-speed variable-pitch wind generator systems（VSVP-WGSs） is presented.This platform simulates the wind speed command curve as well as the characteristics of wind energy,pitch angle and shaft power based on relevant databases,whereby to contain the torque controlled AC motor system to output appropriate mechanical torque.Theoretical analysis and experimental results confirme that this platform can simulate various wind turbines accurately and equip with different generators and grid inverters.This platform can be used for research on energy optimization and grid integration technology.