瞬时比较法制作交流稳压电源的基本原理是采用输入电压与参考电压进行比较找出其波形的不足,对输入电压进行修补,通过改变控制电压以改善输入电压波形、稳定幅值,从而达到输出电压稳定的目的。其实质是利用小功率的控制电源得到大容量的稳定电压输出,使用该技术研制的交流稳压电源具有廉价、指标高、成本低、易控制的特点。 Instantaneous comparison method of making AC power supply is the basic principle of using the input voltage and reference voltage comparison to find the lack of its waveform, the input voltage to repair, by changing the control voltage to improve the input voltage waveform, the stability of the amplitude, so as to achieve the output The purpose of voltage stability. Its essence is the use of low-power control power to get a large capacity of the stable voltage output, the use of AC power technology developed with low-cost, high indicators, low cost, easy to control features.