模块化高效隔离可编程序电压源装置设计

Design of modularized high-efficiency isolated programmable voltage source device

针对低压电气设备对电压源测试的需要,实现数字化可控的大功率电压源装置需求,研制一种模块化高效隔离可编程序电压源装置,多组电压源发生单元并联扩容冗余,采用数模转换的方式生成试验波形。通过对所需波形电压幅值、相位数值归一化,经过主控系统进行指令计算,实现电压的幅值、频率、阶跃和渐变等功能。通过理论研究和样机测试,为性能提升提供理论和实验依据。

Aiming at the need of testing voltage source for low-voltage electrical equipment and realizing the demand of digital and controllable high-power voltage source device,a modular and high-efficiency isolated programmable voltage source device is developed,the multi-group voltage source generating unit is connected in parallel,and the test waveform is generated by the way of digital-analog conversion,and the voltage amplitude and phase of the waveform are normalized,and the instructions are calculated by the main control system,the realization of voltage amplitude,frequency,step,gradual change and other functions.Through theoretical research and prototype test,provide theoretical and experimental basis for performance improvement.