• One of the major effects of power system harmonics is to increase the current in the system.

    谐波对电力系统的主要影响之一是增加系统中的电流。

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  • Therefore, it is very important to design a set of electric power system harmonics simulator rig.

    因此,设计一套方便实用的电力系统谐波模拟装置就显得尤为重要了。

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  • The electric power system harmonics simulator rig is one of the basic tools which are used to study harmonics.

    而电力系统谐波模拟装置是谐波研究的最基本工具之一。

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  • The paper first introduces the basic knowledge of power system harmonics, and points out the importance of studying harmonics.

    本文首先介绍了电力系统谐波的基本知识,并指出了电力系统谐波研究的艰巨任务和重大意义。

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  • This dissertation introduces harmonics' notion, characteristics and harm in detail, illuminates the significance of studying the electric power system harmonics simulator rig.

    本论文对电力系统谐波的概念、特性及危害进行了详细的描述,进而说明了研究电力系统谐波模拟装置的重要意义。

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  • In this paper, depending on the real problems of the power system harmonics, first describing the classification, topological structure, the advantages and applications of active power filter.

    本文从电力系统谐波研究的实际问题出发,首先阐述了有源电力滤波器的分类及拓扑结构以及优势和应用前景。

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  • Because the electric power system harmonics have badly been polluting the electric environment, all nations are rather concerned about the harmonics and enter the research of harmonics actively.

    电力系统谐波对电力系统环境造成严重污染,引起世界各国都对谐波问题给予了十分的关注和关心,并积极地对谐波进行讨论和研究。

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  • Along with the harmonics loads increased, the harmonics pollution of the power system is increasingly serious.

    随着谐波负荷的增加,电力系统的谐波污染日益严重。

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  • AN approach of measuring harmonics in power system based on artificial neural network (ANN) is put forward in this paper.

    提出了一种基于人工神经元网络(ANN)的电力系统谐波测量方法。

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  • Computer programs, which are used to analyze harmonics in a power system, will calculate the voltage distortion for given harmonic sources and a network configuration.

    用计算机程序来分析功率系统的谐波,可以计算出给定谐波源和网络结构的电压畸变量。

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  • Thus harmonics become a long-term and important issue for investigation, and it is a challenging problem for power system researchers.

    因此,谐波成为一个长期而重要的研究方向,对电力系统工作者提出了新的挑战。

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  • Power system equipment and loads which are more sensitive to harmonics.

    电力系统设备和负荷对谐波更为敏感。

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  • Aiming at the existing problem in harmonics measurement of power system, the paper (presented) a collecting method based on frequency multiplication phase-locked.

    针对电力系统谐波测量方法存在的问题,提出了一种基于锁相倍频采集方法。

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  • A mass of power electronics equipments with nonlinear characteristic are the main source of harmonics in low-voltage power system.

    低压电力系统中大量具有非线性特性的电力电子设备是产生谐波的主要原因。

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  • 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。

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  • Basing on the signal space model, the harmonics in power system was detected by combining the subspace rotational invariance and least squares method.

    该方法以信号空间模型为基础,结合子空间旋转不变性和最小二乘法实现了电力系统的谐波检测。

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  • When nonlinear loads are put into operation at random phase Angle in power system, the superposition of harmonics should be considered.

    当具有随机相角的非线性负荷投入系统运行时,应考虑谐波叠加的问题。

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  • In the system, an electronic circuit for reducing harmonics of an output signal from a power amplifier in a transmission circuit for a wireless communication device is provided.

    在该系统中,提供了一种用于减少来自无线通信设备的发射电路中的功率放大器的输出信号的谐波的电子电路。

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  • Harmonics are electric voltages and currents that appear on the electric power system as a result of certain kinds of electric loads.

    在电力系统中,谐波是由于某些类型的电力负荷影响电压和电流而出现的。

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  • A combined power filter test system is designed, which is used to clean up harmonics of harmonic load.

    设计的一套实验系统用来消除谐波负载产生的谐波影响。

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  • The generation of harmonics in electric power system, source of harmonics, harmfulness of harmonics to electric power system, and actions to restrict harmonics are discussed in detail.

    对电力系统谐波的产生、谐波源、谐波对电力系统的危害及谐波的限制措施加以论述。

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  • Based on character of signal in TWACS and harmonic in power system, the digital differential technique can detect the TWACS signal and eliminate the integer harmonics effectively.

    针对工频通信的信号特征及电网谐波的特性,采用数字差分技术,对信号进行检测,可以有效抑制电网整次谐波干扰。

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  • This paper analyzes the reason of harmonics appearance, the harm to power supply system, and raises the managing and technical measure to restrain the harmonics.

    文章分析了供电网谐波产生的原因,阐述了谐波对电气设备的危害,提出了抑制谐波的措施。

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  • The common method of measuring a power system operating frequency is easily affected by the noise and harmonics.

    常规的测量电源系统工作频率的方法易受噪声和谐波的影响。

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  • The three pulse converter model is analyzed, and using this model the harmonics at the DC side of three GorgesGuangdong DC power transmission system is calculated.

    利用三脉动换流器模型对三峡-广东直流输电系统直流侧谐波进行了计算,并对三脉动换流器模型进行了分析。

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  • Computer simulation and experiments show that the active power filter system can effectively suppress the high frequency harmonics and reactive currents at the same time.

    通过计算机仿真及试验证明,该有源电力滤波系统能很好地同时抑制电网中的高次谐波及无功电流。

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  • As everyone knows the power network harmonics influence directly on the operation of the whole power system.

    众所周知,电网谐波直接影响着整个电力系统的安全运行。

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  • A digital algorithm is presented to measure electric powers in power system in the presence of harmonics.

    研究一种基于时域积分的电功率数字测量新算法。

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  • A digital algorithm is presented to measure electric powers in power system in the presence of harmonics.

    研究一种基于时域积分的电功率数字测量新算法。

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