The results show that the proposed control scheme can stabilize the output 50 Hz sine wave well,is a costeffective wave for UPS invert control system.

• 仿真实验结果表明:采用此控制方案在额定负载范围内输出特性良好,能获得稳定的50Hz正弦电压,是一种高性能、低成本的控制系统。