The development of the software for drawing voltage waveform of the thyristor circuit with VB is realized in order to make power and electric teaching easy and put it into application.
为方便电力电子教学及工程应用，用VB实现了晶闸管变流电路电压波形图绘制软件的开发。
Since more and more nonlinear equipments have been used in the power supply network, the generated high harmonics current leads to waveform distortion of voltage and current in the supply network.
由于电网中非线性设备的使用日益增多，所产生的高次谐波电流大量注入电力线路中，使得电网电压、电流波形发生畸变。
When nonlinear loads, such as adjustable speed motor drives, affect a sinusoidal power source, the voltage waveform is distorted and becomes nonsinusoidal.
当加上非线性负载如调速电动机驱动器时，会影响正弦电源。电压波形畸变变成非正弦波。
The power supply adopts D/A mixed control and repetitive control. The digital part realizes the high precise waveform generator and the control based on voltage virtual value.
该电源采用数/模混合控制及重复控制方法，数字部分实现高精度的波形发生器和电压有效值控制；
The traditional measure method of the power withstand test is to use the voltage meter, ammeter, power analyzer, frequency analyzer etc to measure the waveform and parameters of the power signals.
传统的工频耐压试验是通过电压表，电流表，功率分析仪，频谱分析仪等等来分别测量波形及其各个参数的。
The present invention has no intermediate DC link and thus simplified circuit, low cost, less harmonic component in the voltage anc current waveform and high power factor.
本发明所设计的波形变换方法及其装置，省去了中间直流环节，使线路得以大大简化，显著降低了成本，同时使电压、电流谐波得以减小，并可获得较高的功率因数。
The improvement of no-load voltage waveform is an important problem for design optimization of generators and ensuring the quality of electric power.
改善空载电压波形是发电机优化设计、保证电能质量的重要问题。
Pulse power generator, controlled by an embedded MCU, can produce high voltage or low voltage discharge pulse waveform.
电火花脉冲电源由单片机控制，用于产生高压放电脉冲、低压放电脉冲、间隙状态检测等功能。
It can produce high power, high voltage arbitrarily waveforms. The realizing method of frequency adjustment, phase adjustment, amplitude adjustment, online waveform programming are stressed.
文中重点介绍了频率、相位、幅度调节和波形在线编程的实现方法，单次波形的控制方法以及功率放大器的设计。
The experiment result verifies the feasibility of voltage waveform control and parallel control scheme of high power three phase inverter.
实验结果进一步验证了大功率三相逆变器的波形控制和并联控制策略有效可行性。
Such problems as the attenuation of DC elements and Sine waveform, voltage sag and frequency deviation should be taken into account in order to analyze the transient process in the power system.
要分析电网的暂态特性，还必须考虑衰减直流分量和衰减正弦波，以及电压缺口和频率偏移等问题。
Such problems as the attenuation of DC elements and Sine waveform, voltage sag and frequency deviation should be taken into account in order to analyze the transient process in the power system.
要分析电网的暂态特性，还必须考虑衰减直流分量和衰减正弦波，以及电压缺口和频率偏移等问题。
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