摘要
基于FPGA芯片EP2C35F672C6设计了一种单相输入的数字式控制变频电源系统。该系统采用了正弦波脉冲宽度调制（SPWM）变频控制技术，实现正弦波的变频调压输出。本文还设计了一台容量为10kVA、电压为0-250V，频率为20-300Hz的可调样机，进行了完整的系统软硬件设计，采用双环的PID控制进行了仿真实验。仿真结果表明，系统具有较好的动、静态性能。
A variable-frequency variable-voltage power supply system is presented based on FPGA. which adopts the FPGA chip EP2C35F672C6.A SPWM （Sinusoidal Pulse Width Modulation） inverter control technology is used in the system, and a variable-frequency variable-voltage sine wave output is achieved. A prototype has been designed. The prototype has a capacity of 10 kVA, and its voltage and frequency are adjustable within the range of 0-250 V and 20-300 Hz.The hardware and software are designed completely. Simulation experiments are done based on the dual closed-loop PID control strategy. The results verify that the system has good dynamic and static performance.
出处
《电源技术应用》
2012年第11期14-18,共5页
Power Supply Technologles and Applications
基金
国家自然科学基金资助项目：（60904073）
湖北省教育厅项目：（Q20091406）
关键词
变频调压电源
SPWM
FPGA
双环
PID
variable-frequency variable-voltage power source
SPWM
FPGA
dual loop
PI D
