摘要
针对风力发电系统的特性,设计了与电网并联的PWM逆变器控制系统,该系统采用电流瞬时值反馈控制,直接以电网电压同步信号为逆变器输出电流跟踪指令,通过对网侧电流的闭环跟随控制,实现以单位功率因数向电网馈送电能。对系统的稳定性进行了分析,实验结果证明了该逆变器控制系统的可行性和正确性。
In view of the characteristics of the wind energy system, a grid connected PWM inverter control system is presented. With the instantaneous output current feedback and as the net work voltage in-phase signal to be the output current tracking reference, the inverter can transfer the wind power energy to the net work as unity power factor by the closed-loop control of the output current. The steady characteristic of the control system is analyzed. Experiment results have verified the feasibility and the correctness of the proposed topology.
出处
《电气应用》
北大核心
2006年第10期63-65,共3页
Electrotechnical Application
关键词
风力发电
并网逆变器
功率因数
wind power generation
grid connected inverter
power factor
