计算了交流相电压谐波含量；
电力系统电压谐波引起感应电度表读数增加。
Harmonics of the power system's voltage cause an increased reading of induction watthour meters.
本文论述在电压谐波影响下，变压器、感应电动机及其他电气设备的性能。
The paper describes performance of transformers, induction machines and others under the effect of voltage harmonics.
指出在高层办公楼中，租户接入配电网处的电压谐波限值应考虑适当放宽。
The voltage harmonic limits at the PCC where the tenants are connected should be relaxed in high-rise office buildings.
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 current or voltage harmonic wave in power lines may cause abnormalities in self synchronization drive, computer, telephone, etc.
同时对波形进行了频谱分析，指出了电压谐波成分对双馈电机稳态性能的影响情况。
At the same time the paper analyses the frequency spectrum of the wave from, and indicates the influence of voltage harmonic wave component on the steady state performance.
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。
After faults occur, different kinds of faults have different percentages of voltage harmonic signals which can be measured on busbar.
通过计算，选择符合电压谐波畸变标准的交流滤波器，并进行各元件的稳态额定值的计算。
Through the calculation, the filters have been selected corresponding with voltage harmonic distortion standard. And the steady state rating of the parameters are calculated.
SPWM变换器中的死区设置使变换器输出电压谐波含量增加、电压利用率和可靠性降低。
The dead time control in SPWM converter increases the harmonic component in voltage output and decreases the voltage utilization and reliability of converters.
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。
Applying feedforward control of harmonic voltage to hybrid active power filter of finite harmonic impedance can restrain line harmonic voltage.
串联控制器等效为一个受控电压源，补偿来自电网侧的电压谐波和抑制电压波动，提高配电系统的供电电压质量；
The series controller is equivalent to the controlled voltage source that compensating the voltage harmonic and the voltage fluctuation from the power system.
结果表明，该算法下的输出基波电压幅值与调制系数呈线性关系，且输出电压谐波含量与传统方法相比也得到了明显抑制。
The results show that the amplitude of fundamental voltage linearly increases with the modulation factor and that the harmonics of the output voltage are markedly reduced.
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.
另外，还对滤波器的结构和参数对输出直流电压脉动和发电机相电流波形的影响及相电流谐波进行了仿真分析。
In addition, the thesis analyzes the influence of the filter structure and parameters on the output DC voltage ripple and the shape of phase currents, as well as harmonics of phase currents.
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。
Because of the pure resistive nature of the equivalent resistance of impedor, no harmonic will be generated during the voltage regulation.
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。
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.
电能质量问题包括以下几种：电涌、电压闪变、断电、谐波等。
There are several power quality issues such as power surges, voltage sags, outages, harmonics, etc.
本文提出利用微机技术构造一种在线实时监视和测量电网、电源客观存在的谐波电压和浪涌电压的智能测试仪。
This paper presents an intelligence test set built by microcomputer technics to monitor and measure the harmonic and surge voltages in the power network and source, on-line and with a real time.
可编程控制器在高于24V的直流电压等级控制回路中应用时需解决输入模块的电压变换和谐波干扰等问题。
In the application of above 24V fort current voltage grade control circuit, Voltage Alternating and resonant wave interference of input model for Programmable Logic Controllers must be resolved.
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。
After SVC was put into operation, power quality problem caused by harmonic current, voltage fluctuation and flicker has been solved.
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。
A new inverter output filter is presented. It can reduce efficiently the output voltage and current switching harmonic.
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。
It also introduces the error values of shockproof test, harmonic test, voltage and temperature test.
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。
However, the utility source for a plant may contain additional harmonic voltage distortion arising from external sources.
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。
Based on the test data of Suizhongbei electric traction substation, this paper analyzes the harmonic voltage problem.
电能质量中的两个重要参数是运行电压和谐波状况。
Two critical parameters of power quality are run-time voltage and harmonic components.
从而说明对电流型或电压型谐波源进行谐波补偿，应该分别使用并联型或串联型apf。
Therefore, it is demonstrated that the shunt or series APF should be used for compensating the current or the voltage harmonic source.
随机脉宽调制技术可以使逆变器输出电压的谐波成分均匀地分布在一个较宽的频率范围内，达到抑制噪声和机械振动的目的。
Random pulse width modulation technique can be used to distribute voltage harmonics over a wide frequency range and to realize the reduction of acoustic noise and vibration.
随机脉宽调制技术可以使逆变器输出电压的谐波成分均匀地分布在一个较宽的频率范围内，达到抑制噪声和机械振动的目的。
Random pulse width modulation technique can be used to distribute voltage harmonics over a wide frequency range and to realize the reduction of acoustic noise and vibration.
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