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1·The total harmonic distortion (THD) can be reduced by the instantaneous voltage feedback control.

采用电压瞬时值反馈降低了输出电压波形的总谐波量。

2·The instantaneous voltage PID control inverter has advantage on circuit and cost, compared with voltage current dual-loop control inverter.

逆变器瞬时电压PID控制与电压电流双环控制相比，在电路结构、成本等方面更具优越性。

3·Adopting sinusoidal instantaneous voltage and current, a new algorithm for measuring sinusoidal electrical parameters has been put forward.

提出了一种利用正弦交流电压和电流的瞬时值测量正弦交流电参量的新算法。

4·Some numerical results have been obtained for the instantaneous sheath thickness, the instantaneous voltage and the ion flux density on the substrate, etc.

采用数值方法模拟出鞘层的瞬时厚度及极板的瞬时电位变化、鞘层内离子密度和电场强度等物理量的时空变化。

5·Those components of which values are independent on history record of sampled quantities and reflect the relationship of instantaneous voltage and current are realized by themselves.

而对于模型中与采集量历史记录无关、反映电压电流瞬时变化关系的元件则用实际元件模拟。

6·This paper presents a digital multiple-loop control technology of inverters. The scheme incorporates a current loop with an instantaneous voltage loop, while a repetitive control outer loop is added.

本文提出了一种逆变器数字多环控制技术，该方案在电流环和瞬时电压环之外附加了一个重复控制环。

7·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.

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。

8·The hysteresis wide is widened for decreasing switching frequency and energy losses, which causes the pulsation of instantaneous active power and direct current voltage.

为降低开关频率和减少开关损失，需增加功率滞环比较器环宽，否则引起瞬时有功功率和直流电压波动，影响系统的性能；

9·In order to implement real time detection of harmonic voltage, a method for any harmonic voltage detection based on instantaneous reactive power theory was presented.

基于瞬时无功功率理论提出了一种任意整数次谐波电压的实时检测方法。

10·The transformation of the instantaneous value symmetry component applied, the positive sequence space vector of fault component of the voltage and current can be derived.

应用瞬时值对称分量变换，可提取电压、电流故障分量的正序空间向量。