The power converters and other nonlinear loads "inject" the harmonic current into the power systems and cause a series of problems.
电力变流器和其他非线性负荷向电力系统“注入”谐波电流，引起一系列问题。
The harmonic problems, such as distorting supply voltage, decreasing power factor, increasing energy loss, interfering with communication systems etc. are discussed in the part one.
第一部分讨论各种谐波问题，如使供电电压畸变，降低功率因数，增加能量损耗，干扰通讯系统等。
Design of the program on the basis of this paper, the harmonic detection of hardware and software systems for each specific design.
在总体设计方案的基础上，本文对谐波检测仪的硬件系统和软件系统分别进行了具体的设计。
Active filters have been used to solve the problem of more and more serious reactive power and harmonic pollution to power systems.
有源滤波器在为解决日益严重的无功和谐波污染问题方面可发挥有效作用。
So far in studying harmonic problems caused by HVDO transmission, the ac and DC systems should be treated as a whole to obtain accurate results.
在研究高压直流输电所引起的谐波问题时，应该将交流和直流系统作为一个整体来计算，才能获得准确的结果。
On the basis of active power filter linear shunt transformer harmonic impedance control, a novel principle for high voltage alternate power distribution systems is proposed.
针对高压交流配电系统，提出一种基于线性并联变压器谐波阻抗控制的并联型有源电力滤波器新原理。
In this paper the harmonic power flow of power systems with rectifier busses is studied.
文章讨论了具有整流负载时电力系统的谐波潮流计算方法。
Phaseshifting reactor is a new method for converter power supply systems harmonic suppression.
移相电抗器是变流器供电系统谐波抑制的一种新方法。
At last, harmonic suppression methods of converter power supply systems are discussed.
最后，论述了变流器供电系统的谐波抑制方法。
The harmonics generated by electronic equipment become the major harmonic sources in power systems.
电力电子装置产生的谐波已成为电力系统的主要谐波污染源。
In this article according to the experiment of executive systems motion accuracy, the corresponding mathematical model is established by harmonic analysis principle.
根据执行系统回转精确度测试实验，利用谐波分析原理，建立了相应的数学模型。
Interharmonic is special harmonic in electric power systems.
间谐波是电力系统中一种特殊的谐波。
The desirable scheme of capacitor placement in distribution systems aims at achieving voltage regulation and power loss reduction, while preventing harmonic resonance or magnification.
配电网合理的电容器配置不仅可以有效改善电网的电压水平，降低系统的有功网损，而且能够避免谐波谐振或电流放大。
A method to calculate the harmonic effect on EXAFS amplitude for poly-element systems is given. Results calculated and measured are presented. They are consistent with each other.
本文给出了多元体系中谐波对EXAFS振幅的影响的计算方法，并以实例计算和测量了这种影响，两者结果相符。
In this paper, the harmonic balance method has been developed for calculating the steady state response of locally nonlinear dynamic systems under periodic excitation.
利用谐波平衡法研究了局部非线性系统在周期激励下的稳态响应问题。
Power electronics broad application in power systems brings serious harmonic pollution. This paper introduces harmonic harm, the measure of restraining harmonic and the basic principle of filter.
电力电子装置的广泛应用，给电力系统造成了一定的谐波污染，文中简要论述谐波的危害、谐波的治理措施及无源滤波器和有源滤波器的基本原理。
Holbesun Electric gathered leading products, systems and solutions, is harmonic management, reactive compensation and power quality optimization area is the industry leader in professional supplier.
赫伯孙公司汇集了领先的产品、系统和解决方案，是谐波治理、无功补偿和电能质量优化领域具有行业领先地位的专业供应商。
Some valuable conclusion for designing harmonic radar systems are given. Problems to be researched are also proposed.
由此得出一些对谐波雷达系统设计有价值的结论，并指出了需进一步研究的问题。
PWM inverter AC motor bring the harmonic current, It pollute electric power systems.
PWM逆变器驱动电机时，对电源端产生谐波电流，给电力电网造成污染。
It is shown that two Lurie control systems which are not absolute stable can be composed of a absolute stable large-scale Lurie control systems via interconnections or harmonic controllers.
研究结果表明：两个非对绝对稳定的系统可以通过关联或协调控制来实现关联大系统的绝对稳定性。
Conventional UPS systems operate to protect against such harmonic distortion brought by nonlinear load using complex filtering schemes, often employing large passive components.
对于非线性负载所引起的谐波失真，传统的逆变系统通常采用复杂的大规模无源元件滤波方案来滤除。
The incremental harmonic balance method was extended to analyze the flutter of systems with multiple structural strong nonlinearities.
扩展到系统的多个结构强非线性颤振分析的增量谐波平衡法。
These disadvantages could be eliminated in three-phase systems if the energy account based on the integral of the active power of the positive sequence component with the fundamental harmonic.
在三相系统中，以正序基波功率的积分作为计量标准，同样可以消除这两方面的不利影响。
Controlling harmonic and compensating reactive power are important parts in power systems.
谐波的抑制以及无功功率补偿是电力系统的重要组成部分。
It is concluded that the harmonic amplification in power systems is effectively restrained by using mixed series reactors.
并得出结论：采用混合型串联电抗器可以有效抑制电网中各次谐波的放大。
In this paper, a new method for detecting harmonic sources in distribution systems - "critical impedance method" (CIM) is proposed.
介绍了配电网中谐波源探测的一种新方法——临界阻抗法(CIM)。
The self-similar measure has been studied since 1930's, revealing connections with harmonic analysis, the theory of algebraic numbers, dynamical systems and Hausdorff dimension estimation.
自相似测度的研究可以追溯到上个世纪30年代，随着研究的深入，人们逐渐发现它与调和分析、代数数论、动力系统及维数的估计都有密切的联系。
To study the stability of periodic motions the harmonic balance method is used. The condition for the stability of periodic motions can provide a theoretical basis for the design of rotor systems.
在分析周期运动的稳定性时，采用谐波平衡方法，得到转子周期运动的稳定条件，为工程设计提供了一定的依据。
According to the frequency excursion in power systems, this paper proposes a detecting method of harmonic negative current instructions.
针对电网出现的频率偏差，提出一种谐波负序电流指令的检测方法。
According to the frequency excursion in power systems, this paper proposes a detecting method of harmonic negative current instructions.
针对电网出现的频率偏差，提出一种谐波负序电流指令的检测方法。
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