介绍了一种单桥电流源型整流器,运用特定谐波消除技术消除其5次和7次谐波。
This paper introduces a single-bridge current source rectifier, which eliminates 5th and 7th harmonics adopting the technology of Selective Harmonic Elimination(SHE).
针对数字控制技术的特点,分析了在选择性谐波消除法的理论计算结果与实际开关角数字控制结果出现偏差时,对逆变器输出电压谐波含量的影响。
This paper analyzes the influence of the error between the calculated results by selective harmonic elimination and the digit_controlled results on the output of inverter.
利用组合扫描压制谐波干扰的基本思想就是合理地设计各个子扫描频宽,达到消除谐波干扰的目的。
The basic idea using array sweeping to suppress harmonic interference is to reasonably design each sub-sweeping frequency band that can reach the goal of elimination of harmonic interference.
消除转矩脉动可以通过对定子电流加入谐波的方式完成。
A pulsating torque component can be compensated by inject a selected harmonic component to the phase current.
文中分析了电力系统中谐波的来源及其产生的影响与危害,并总结了相应的消除对策和抑制的方法措施等。
The paper analyzes the sources and impact and hazard of power system's harmonic and summarizes the corresponding eliminating solutions and restraining measures.
谐波的研究是电能质量领域的一个重要课题,研究领域包括谐波源分析、检测技术以及消除策略。
The study of harmonics is a very important topic for electric power quality. Research topics include harmonic source analysis and efforts, measurement technology and elimination strategy.
APF能消除谐波,补偿少量的负载不平衡或由于TBC二进制条件而不能消除的功率因数。
The APF eliminates the harmonics and compensates the small amounts of load unbalances of power factor that the TBC cannot eliminate due to its binary condition.
另一个重要因素是消除谐波的回声在更高的频率,导致更多的细节,仍然是一个平滑,更自然的声音。
Another vital element is the removal of harmonic echoes in the higher frequencies, which result in a lot more detail and still a smoother and more natural sound.
而对于SPWM逆变,采用数字电路实现SPWM触发脉冲的生成,在消除谐波、提高开关频率、简化电路结构,提高集成度和可靠性等方面,取得了很好的效果。
The digital circuits are introduced in the SPWM inversion, which have brought the elimination of harmonics, high switching frequency, simplified circuits and high reliability.
研究了随动系统中SCR调速装置在大电流时,消除其谐波并使供电装置负载能力提高的方法;
We have studied the method of eliminating the harmonic wave of SCR regulating-speed device a servosystem and increasing its power supply unit' s loading ability when its current is large.
这个缓冲吸收器可以明显地消除当半导体开关从导通到截止切换时输出波形中的谐波成分。
This snubber could obviously snub the harmonics in the output waveform which would appear when the switching devices are shifted from on to off.
通过选择合适的控制增益,即可在系统的其它部分仍存在振荡的情况下,可以消除谐波干扰,使系统的输出趋于收敛,达到稳定。
By properly choosing the control gains, the output tends to a standstill while the other parts of the system oscillate in such a way as to counteract the harmonic disturbance.
设计的一套实验系统用来消除谐波负载产生的谐波影响。
A combined power filter test system is designed, which is used to clean up harmonics of harmonic load.
设计电流模脉冲宽度调制直流转换器时,人们广泛采用斜坡补偿电路来消除谐波振荡。
In the design of current-mode PWM DC-DC converters, the slope compensation method is widely used to prevent sub-harmonic oscillation.
理论上新算法可以消除任意衰减时间常数的直流分量对所求各次谐波分量的影响。
In theory, the influence of the exponential DC component on the fundamental wave component with random decay time constant can be completely eliminated with the algorithm.
采用有源滤波器就地吸收谐波源所产生的谐波电流,是消除或限制电力系统谐波污染的一种有效的措施。
The active power Filter, which can compensate simultaneously the harmonics and reactive power of non-linear loads, is good method to eliminate the harmonic pollution in power system.
仿真和实验研究证明这种电力有源滤波器能够消除谐波电流源型负载产生的无功电流和谐波电流。
The simulation and experimental results demonstrate that the proposed system can compensate harmonic current and reactive current generated by harmonic current source loads.
KIWA综合节电装置以其独特结构形式,通过调整三相电流和电压的平衡,消除电网高次谐波。
KIWA synthetic power saver with his unique structure form eliminates higher harmonic of the electrical network by way of the balance in adjusting three-phase current and voltage.
从实验结果来看,有源滤波器系统能够有效的消除由非线性负载产生的谐波,大大降低了谐波对电网造成的危害。
From the experimental results, the active filter system can effectively eliminates the harmonics generated by the nonlinear load, greatly reduces the harm caused by harmonics on the grid.
与传统的多级方案相比多级电压注入的优点在于它使用相对较少的开关元件达到消除谐波的目的。
The multi-level voltage reinjection concept makes it possible for a converter to provide acceptable harmonic reduction with fewer switching components than the conventional multi-level schemes.
IGBT逆变器的作用是提供基波电压,并补偿无功功率,MOSFET逆变器则实现消除谐波电流的功能。
The function of the IGBT inverter is to support utility fundamental voltage and to compensate the reactive power. The MOSFET inverter fulfills the function of harmonic current compensation.
与FFT和幅值检测法相比,该方法能消除fft算法的频谱泄露,提高了谐波检测的精度,且适用于含有非整数次谐波的信号。
Comparing with the FFT and the amplitude measure arithmetic, the novel method can avoid the spectrum leakage and fence effect in ideal extent and improve the precision of harmonics measurement.
2008年签订了5年的研究项目,目的是消除高阶谐波失真。
The year 2008 concluded a 5-year research project with the aim of neutralizing higher order harmonic distortion.
为了消除单相电压型PWM整流器输出侧二次谐波的影响,经常接入电感、电容组成的二次吸收回路,本文对于二次吸收回路的参数选取和运用效果进行了研究。
In order to eliminate the second-harmonics in the output side of single-phase PWM rectifier, the filter circuit consisting of an inductor and a capacitor is often used.
为了消除单相电压型PWM整流器输出侧二次谐波的影响,经常接入电感、电容组成的二次吸收回路,本文对于二次吸收回路的参数选取和运用效果进行了研究。
In order to eliminate the second-harmonics in the output side of single-phase PWM rectifier, the filter circuit consisting of an inductor and a capacitor is often used.
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