然后根据交流侧和直流侧的功率平衡方程，推导了电压环的小信号模型。最后基于该模型设计了一种高动态性能的直流电压调节器。
Subsequently, a novel controller for DC bus voltage regulation is put forward according to the small signal model based on the instantaneous power balance in AC and DC sides of three-phase SAPF.
电源及能调节交流或直流电流在期望值的5%之内的，控制开路电压到最大20毫伏的路。
Power supply or circuit capable of regulating either alternating or direct current within 5% of desired value, and limiting the open circuit (source) voltage to 20 millivolts maximum.
本文利用最常见的用于电源的PWM电压调节芯片TL494，设计成直流电机调速控制电路。
This paper makes use of ordinary power supply chip TL494, which having characteristic of PWM output, DC motor speed-varying control circuit has been designed.
通过直流电源电压的变化，可以方便地调节定子磁链的旋转速度。
With the variations in the DC supply voltage, it is easy to alternate the input DC voltage of the converter and control the rotating speed of stator's magnetic flux.
通过电压闭环调节，实现了输出恒定110V直流电压的功能。
By adjusting under voltage regulation loop, it achieves the function of providing stable 110v DC output.
电源通过BOOST电路校正功率因数和调节电压，用移相全桥把直流电逆变成高频方波，然后经高频变压器升压后倍压整流得到直流高压。
The power supply USES BOOST converter for power factor correction and voltage regulation, and it converts DC to HF ac square wave with phase-shifted full bridge.
电源通过BOOST电路校正功率因数和调节电压，用移相全桥把直流电逆变成高频方波，然后经高频变压器升压后倍压整流得到直流高压。
The power supply USES BOOST converter for power factor correction and voltage regulation, and it converts DC to HF ac square wave with phase-shifted full bridge.
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