摘要
对逆变电源采用电压、电流双闭环控制方法,以提高逆变器输出的稳定性。利用有功-频率和无功-电压的下垂特性控制方法分别对微网在并网运行和孤岛运行两种工作方式进行有效的控制,使微网系统可以快速自动的找到稳定工作点。通过仿真实验证明所设计的控制系统的有效性、正确性。
According to the control method of voltage and current double-loop control of inverter power, the stability of inverter output is improved. The droop characteristic control methods of active-frequency and reactive-voltage are used to implement parallel operation and island operation respectively and effectively in micro-grid. Micro-grid system can find the stable operating point automatically and quickly. The simulation results show the effectiveness and correctness of the designed control system.
出处
《自动化应用》
2014年第12期77-80,96,共5页
Automation Application
关键词
微网
逆变器
双环控制
下垂控制
计算机仿真
micro-grid
inverter
dual-loop control
droop control
computer simulation
