采用电压瞬时值反馈降低了输出电压波形的总谐波量。
The total harmonic distortion (THD) can be reduced by the instantaneous voltage feedback control.
在非对称输入电压情况下，对基于双空间矢量调制的矩阵变换器的输出电压波形进行了分析，提出了利用时变调制比改善输出电压波形的方法。
The output voltage waveforms of matrix converter which is based on the space vector modulation are analysed under the unbalanced input voltage. A time-variant modulation ratio method is proposed.
在本教程中，我们将观察在初级波形和次级ht输出之间的关系，和监测火花燃烧时间和HT电压。
In this tutorial we will be looking at the relationship between the Primary picture and the Secondary HT output, and monitoring spark burn times and HT voltages.
另外，还对滤波器的结构和参数对输出直流电压脉动和发电机相电流波形的影响及相电流谐波进行了仿真分析。
In addition, the thesis analyzes the influence of the filter structure and parameters on the output DC voltage ripple and the shape of phase currents, as well as harmonics of phase currents.
SPWM逆变器是UPS系统的核心部件，要求它具有高质量的输出电压波形。
The CVCF-SPWM inverter is the core of a UPS system which required high quality output voltage waveform.
提出了一种基于三电平spwm调制的中点电压抑制方法，在改善输出波形质量的同时，有效的降低了IGCT过电压的危险。
A method of keeping neutral point potential balanced based on three-level SPWM had been brought forward, which can improve output waveform and decrease the possibility of IGCT's over-voltage.
在逆变电源带非线性负载时，它是对输出电压波形进行改善的一种有效手段。
It was an effective way to improve output voltage waveform for inverter under nonlinear load.
作出对应的状态轨迹图，通过仿真和实测，求出相应的电压、电流波形及输出特性，从中得出有益的结论。
Through simulation and measuring, a corresponding state locus diagram and a voltage and current waveform and output characteristics are thus made, from which a useful conclusion is reached.
改善输出电压的波形。
实验结果表明，利用该方法设计的无差拍控制正弦波逆变器系统稳定性好、输出电压波形畸变率低，具有一定的实际应用价值。
The experimental results prove that the sine wave inverter designed by this method have good stability and high quality output voltage and can be applied in practice.
为避免输出信号波形畸变，输入电压的跃变应该是在给定推荐工作条件的范围之内。
To avoid output-waveform abnormalities, input voltage transitions should be within the range set forth in the recommended operating conditions.
这种中压变频器输出电压为多电平pwm脉冲波形，目前对其谐波还没有完善的理论分析。
Output voltage of this type ASD is multilevel PWM waveform, and by now there is not perfect theoretical analysis for its harmonics.
分析了所用的PWM驱动电路的输出电压和电流波形，并给出实际应用电路以及实验结果。
Analyzes the waveform of output voltage and current of PWM drive circuit, and also gives practical application circuits and test results.
根据SPWM的基本原理与付立叶级数理论，建立了SPWM电压型逆变器输出波形的数学模型。
Based on SPWM basic principle and Fourier series theory, the mathematical model of output waveform of SPWM voltage source inverter is built.
本发明电路结构简单，输出的交流电的波形为纯正弦波，输出的电压和频率稳定，不会随输入电压和负载的变化而变化。
The circuit of the invention is simple, the wave output is pure sine wave, voltage and frequency output is stable, they do not change with input voltage and load.
文中还介绍了IGBT栅极驱动电路和IGBT电压均衡电路的设计方法，并给出调制器的输出波形。
The design of the grid-driven circuit and the voltage balancing circuit for IGBT are also introduced, giving the output wave of the modulator.
本文介绍电压逆变器的原理，分析带上磁滞同步电动机这一负载后逆变器输出电压电流波形畸变的原因。
It introduces the principle of voltage inverter, analyzed the reason of distortion of output voltage and current wave form, as it is loaded with hysteresis synchronous motor.
由于直流电压源的钳位作用，交流侧输出电压波形为矩形波，并且与负载阻抗角无关。
Because the clamp effect of DC voltage source, AC side output the rectangular wave voltage waveform, and it has nothing to do with the load impedance Angle.
为改善级联型多电平逆变器输出电压波形质量，对通过控制逆变单元开关角实现级联多电平逆变器谐波控制的方法进行了分析研究。
In this paper, the means of harmonics control by selecting switching angles are analyzed for improving quality of output voltage in cascaded multilevel inverter.
在分析了十二相交-交变频器的数学模型后，仿真得出了十二相交-交变频器的输出电压电流波形，并对其进行了谐波的分析。
After analyzed the math model of the multi-phase cycloconverter, the simulation wave of output voltage and output current was given and the harmonic was analyzed.
为了得到实际输出电压波形，根据开关器件通断时间的具体要求，提出了展宽开关角对的优化策略。
For obtaining practical output voltage waveform, the optimized strategy of widening a couple of switch angles is presented based on the specific requirement of on-off time of switching device.
而逆变器是整个不间断电源系统的核心，必须具有输出高质量电压波形的能力。
Inverter is the core of UPS and is required to have high quality output waveform.
介绍了SPWM逆变电源输出电压波形重复控制的工作原理及重复控制器的设计方法。
The operation principle of repetitive control of output voltage of SPWM inverter and design method of repetitive controller are introduced.
给出了一个具体的算法和实现后的电压输出波形。
针对航空静止变流器输出电压波形畸变的问题，提出了采用重复控制技术解决方案。
Aimed at the voltage wave distortion of ASI (aeronautical static inverter), a scheme based on the repetitive control technique was proposed.
为了克服逆变电源因带整流性负载而引起的输出电压波形周期性畸变，本文选取重复控制技术为研究对象。
Most research is concentrated on repetitive control technique in this paper for the sake of overcoming the repetitive distortion when inverter induced by rectifier-type nonlinear loads.
它采用了绝缘栅极双极型二极管和电压型换流器，控制和运行方式简单，输出波形好，具有广阔的应用范围和良好的发展前景。
It can be widely used for its easy and simple control and operation as well as for its good output waveforms.
使用MAX038波形发生芯片产生波形，通过修改MAX038相应引脚的参数方便地实现输出波形的频率和占空比及偏置电压参数的调节。
The waveform is generated by MAX038. It is very convenient to adjust the frequency, duty cycle and offset voltage of the waveform by changing parameters of the corresponding pins of the chip.
在这种新的逆变器开关控制策略中建立多目标优化函数，既使得电压型逆变电路输出电流波形总谐波畸变率尽量小，同时又能减小逆变过程的电力电子开关损耗。
In this control law multi-object function is created, which enables a voltage-source type inverter to produce a near standard sine wave with a minimum switching loss.
在这种新的逆变器开关控制策略中建立多目标优化函数，既使得电压型逆变电路输出电流波形总谐波畸变率尽量小，同时又能减小逆变过程的电力电子开关损耗。
In this control law multi-object function is created, which enables a voltage-source type inverter to produce a near standard sine wave with a minimum switching loss.
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