The large capacity generator reconstructed is imported and its3rd harmonic voltage is low.
要改造的发电机是进口的，且容量大，运行时三次谐波电压很小。
This paper proposes a shunt hybrid active filter to suppress harmonic voltage resonances in industrial facilities.
本文提出倂联式混合式主动滤波器来抑制工业配线内的谐波失真。
Based on the test data of Suizhongbei electric traction substation, this paper analyzes the harmonic voltage problem.
本文根据测试数据对绥中北牵引变电所谐波电压问题进行分析。
However, the utility source for a plant may contain additional harmonic voltage distortion arising from external sources.
然而，对工厂实用电源可能包括由外部电源引起的额外的谐波电压畸变量。
And the harmonic voltage across TCSC has been derived through dynamic equation, and the harmonic characteristic about TCSC has been studied.
同时，通过动态方程求出tcsc两端的谐波电压，并对TCSC谐波特性进行分析。
Applying feedforward control of harmonic voltage to hybrid active power filter of finite harmonic impedance can restrain line harmonic voltage.
有限阻抗型混合有源电力滤波器中应用电压谐波前馈控制，能加强对网侧电压的谐波抑制。
The experimental results of proposed power quality control system in restraining harmonic voltage and of its synchronous operation with a power system are presented.
通过电能质量控制系统与电网间同步运行试验和谐波电压抑制试验，实现了逆变器与电网的同步运行控制以及负载谐波抑制控制。
In order to implement real time detection of harmonic voltage, a method for any harmonic voltage detection based on instantaneous reactive power theory was presented.
基于瞬时无功功率理论提出了一种任意整数次谐波电压的实时检测方法。
Different LC filter parameter matching exerts a distinct influence to the harmonic voltage. Improper parameter selection may make filter unsatisfy the analysis request.
不同的LC滤波参数对输出电压的谐波含量影响很大，滤波参数选取不当会使滤波效果不能满足设计要求。
The background harmonic voltage is related with not only the power of harmonic sources and variation of power line voltages but also the power system structure and capability.
背景谐波电压不仅与电网中谐波源强弱、网压变化有关，而且与电网容量、结构有关。由于其直接决定电网承受畸变负荷的能力，所以有必要对各种电网的背景谐波状况作全面了解和测量。
Furthermore, a checkout method for the third harmonic voltage based protection scheme of stator ground fault in generators is presented based on the verified MLM-FEM coupled model.
进而提出了基于多回路-有限元耦合数学模型的同步发电机定子单相接地故障三次谐波电压保护方案校验方法。
The time harmonic voltage and current wave propagation along a transmission line can readily be transferred from frequency domain voltage and current phasor distribution along the line.
由传输线上电压及电流沿线分布之频域相量，可转换为传输线上各频率成份弦波电压及电流沿线之时域传播。
This paper is focused on a shunt active filter based on detection of harmonic voltage to attenuate harmonic propagation in a power distribution network and its installation site selection.
本文着重论述了基于电压检测的并联型有源滤波器在放射状配电网谐波抑制中的应用及其安装点的选择。
So harmonic current should be suppressed firstly rather than harmonic voltage. The harmonic characteristic on the network side and the ac side of medium-frequency power supply is analyzed.
分析了电网侧和中频电源交流侧的谐波特性，并针对中频电源提出了几种谐波抑制措施。
Using this resonance controller to take a closed loop control to selected harmonic voltage makes DVR with a function of harmonic voltage compensation, which has little influence on DC link voltage.
应用这种静止坐标下的谐振控制器对指定次数的谐波电压进行闭环控制，使DVR具备补偿谐波电压的功能，而对基本DVR的电压凹陷补偿性能的影响很小。
Because of the pure resistive nature of the equivalent resistance of impedor, no harmonic will be generated during the voltage regulation.
由于阻抗器的等效电阻为纯电阻，因此在调整电压的过程中不会产生谐波。
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。
A new inverter output filter is presented. It can reduce efficiently the output voltage and current switching harmonic.
提出了一种新型三相逆变器输出滤波器，它能有效地减少输出电压和电流中的开关谐波分量。
After SVC was put into operation, power quality problem caused by harmonic current, voltage fluctuation and flicker has been solved.
SVC投入运行后，对非线性负荷产生的谐波电流，电压波动及闪变等引起供电电能质量的问题起到了很好的治理效果。
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。
It also introduces the error values of shockproof test, harmonic test, voltage and temperature test.
介绍了电度表的耐振试验、谐波试验、电压和温度试验的误差数据。
The harmonic characteristic of input current in single-phase voltage source PWM converter is analyzed theoretically.
从理论上分析了单相电压源pwm变流器输入电流的谐波特性。
This paper presents a new method to obtain the sum of random harmonic vectors (voltage or current) whose phases have different probability distribution functions in a power system.
提出了一种处理电力系统中具有不同相角分布时随机谐波矢量(电压和电流)的求和问题的新方法。
After faults occur, different kinds of faults have different percentages of voltage harmonic signals which can be measured on busbar.
故障发生后，对于不同的故障性质，线路首端重合闸安装处的电压谐波含量是不同的。
In order to realize the functions of harmonic compensation and voltage regulation for nonlinear loads, a hybrid shunt active power filter is proposed.
为实现对非线性负载的谐波补偿和电压调节功能，提出了一种混合型并联有源滤波器。
The concept of power quality includes the quality of the supplying voltage with respect to, for instance, voltage sag, imbalance, harmonic distortion, voltage fluctuation and flicker, etc.
质量包括电源电压的质量的能力的概念与有关，例如，电压下跌，不平衡，谐波失真，电压波动并且摇曳，等等。
The concept of power quality includes the quality of the supplying voltage with respect to, for instance, voltage sag, imbalance, harmonic distortion, voltage fluctuation and flicker, etc.
质量包括电源电压的质量的能力的概念与有关，例如，电压下跌，不平衡，谐波失真，电压波动并且摇曳，等等。
应用推荐