模拟部分采用电压电流瞬时值控制，提高响应速度；
The analog part adopts the control based on current virtual value and improves the response speed.
数字控制器存在采样与计算延时，实时控制性差，采用数字控制器实现双闭环瞬时值控制比较困难。
But it is hard to realize the dual-loop instantaneous control with digital scheme, because there is delay time of sampling and computing and lack of real-time regulation for digital control.
功率变换器主电路采用电压电流双闭环瞬时值反馈控制方式，电容电压和电流瞬时值控制环提高了系统的稳定性、硬特性、稳态特性及动态特性。
The voltage and current real-time feedback control method is adopted, which improves the stability, the stiffness, the static characteristics, and the dynamic characteristics of the system.
系统利用重复控制抑制非线性负载下的电压畸变，利用瞬时值反馈控制加快负载突变时的动态响应过程。
Repetitive control is used to reduce voltage distortion under nonlinear loads and instantaneous feedback control is designed to quicken the dynamic response process under abrupt load variation.
本文对开关磁阻电机发电运行原理，对采用定时瞬时值比较方式的PW M变流器的原理与控制进行分析。
This paper firstly introduced the principle of switched reluctance motor; the working principle and control of PWM converter, which USES timing and compare of instantaneous value, is described.
在单位功率因数整流器中，利用瞬时值比较法来控制电源电流，不但控制简单，还可有效限制器件的最高开关频率。
The method of instantaneous value comparison for source current control of unity power factor rectifier possesses advantages of simplicity as well as valid restriction for maximum switching frequency.
文中将目前逆变器输出波形控制技术分为基于周期的控制和瞬时值反馈控制。
The waveform control technology of inverter is classified into periodic control and instantaneous control in this paper.
提出了一种基于重复控制和瞬时值反馈控制的逆变电源控制系统。
An inverter control system based on repetitive control and instantaneous feedback control is presented.
该方案采用电感电流和输出电压瞬时值双环控制，以提高输出稳定性和动态响应。
To improve the steady state operation and dynamic response, a dual-loop control strategy which incorporates the inductor current and the instantaneous output voltage has been used.
该文对零输出换相策略、电压增益及开关动作顺序进行了详细的分析，并与双电压合成控制策略下共模电压的最大瞬时值进行了对比。
The paper analyzes in detail the synthetical method, the voltage gain and the switch action sequence of matrix converter based on the zero-output commutation strategy.
提出基于瞬时值的功率控制算法。
The instantaneous power control algorithm of UPFC-a new rapid method is put forward.
逆变控制采用SPWM方式，由数字PID调节器实现输出电压瞬时值反馈，并采用有效值调节实现稳压。
SPWM method is adopted to control the inverter model. Digital PID adjuster is used to realize voltage loop and the value modulation is used to maintain the value of output voltage.
逆变控制采用SPWM方式，由数字PID调节器实现输出电压瞬时值反馈，并采用有效值调节实现稳压。
SPWM method is adopted to control the inverter model. Digital PID adjuster is used to realize voltage loop and the value modulation is used to maintain the value of output voltage.
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