The harm of the high degree harmonic wave in power system was introduced and the selection of prevention and the measure of controlling the harmonic interference were put forward.
本文简要介绍电力系统中高次谐波的危害，以及选择的防治、抑制谐波干扰的措施。
The power system harmonic is the voltage sine wave of power system get distortion; electric locomotive power will have 0 to 50 harmonics.
电力系统的谐波是电力系统电压正弦波形产生畸变，电力机车用电会产生0次到50次谐波。
In this paper, the power problem of completely wave rectifier is discussed by many methods respectively, such as harmonic analyses.
利用谐波分析等方法分别探讨单相全波整流电路的功率问题。
Active power Filter (APF) technology is one of the important ways to realize harmonic wave compensation of electrical network and improve the quality of power supply.
有源电力滤波器(简称APF)技术是一种实现电网谐波补偿、改善供电质量的重要方法。
Simulation and experimental results show that the proposed converter has sine wave input current and output voltage, low harmonic content, adjustable power factor, and zero voltage commutation.
仿真和实验结果表明：所提出的变换器输入电流和输出电压为正弦，谐波小且输入功率因数可控，并可实现零电压换流。
Employed wave propagation approach, the vibrational power flow of a submerged infinite cylindrical shell coated with unconstrained viscoelastic layer excited by a radical harmonic force is studied.
采用波传播分析方法，讨论了外部敷设粘弹性自由阻尼材料的无限长圆柱壳在流场中受径向简谐激励的振动功率流。
The current or voltage harmonic wave in power lines may cause abnormalities in self synchronization drive, computer, telephone, etc.
电力线路的电流、电压谐波效应可以引起自同步拖动、计算机、电话等异常运行。
The source of the harmonic wave in the power system mainly comes from all kinds of nonlinear devices.
电力系统中产生的谐波主要来自各种非线性用电设备。
It was found that the square wave high-voltage amplifier has the shortcomings of high power consumption and strong harmonic disturbance in displacement measurement.
但在应用中发现，方波高压放大器存在功耗高和对位移测量电路干扰大的缺点。
In power system, it can excite partial parallel resonance or serial resonance, enlarge the harmonic wave, trigger relay protection system in error and disturb electric power energy metering equipment.
在电力系统，它可以刺激局部并联谐振或串联谐振，放大谐波，引发继电保护系统误差和扰乱电力能源计量设备。
The growing tendency of the abnormity and accident which caused by the harmonic wave has already become the social harmfulness in the power system.
电力谐波干扰导致电气设备异常和事故有逐年增长的趋势，电力系统谐波已成为威胁电力系统和其它用电负荷安全运行的“电力公害”。
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.
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；
Especially on effective method using inductor and capacitor combined component is giving for constraining high-phase harmonic wave of power, which were of much practical meaning.
提出了用电感电容元件来抑制电源高次谐波，起到了很好的效果，具有较强的实际意义。
Especially on effective method using inductor and capacitor combined component is giving for constraining high-phase harmonic wave of power, which were of much practical meaning.
提出了用电感电容元件来抑制电源高次谐波，起到了很好的效果，具有较强的实际意义。
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