harmonics的例句大全

By applying it in power quality detection, simulation trials are done for voltage sag, voltage swell and voltage interruption including the harmonics in different order and so forth, respectively, in noise and color noise disturbance environments, the results show the effectiveness of the method.

将其应用在电能质量扰动检测中，对电压暂降、电压暂升、电压间断及各次谐波在白噪声和色噪声环境下进行仿真试验，结果证明了该方法是十分有效的。

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Secondly an optimal PWM technique was developed, which was based on selective harmonic control as constraint conditions and the optimal goal function for rest harmonics contents.

随后建立了以选择性谐波控制为约束条件和剩余电压谐波含量为优化目标函数的PWM数学模型；

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Passive filter and active power filter ( APF ) are the two primary approaches for eliminating harmonics.

抑制谐波的方法主要有无源滤波技术和有源 电力滤波器 技术.

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This paper introduces a method of active vibration suppression control for spacecrafts with flexible appendages, and gives the conditions suppressing arbitrary numbers of harmonics.

本文提出了一种带有柔性附件的卫星的振动主动抑止方法，给出了能抑止任意阶振动谐波的条件。

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This paper introduces a single-bridge current source rectifier, which eliminates 5th and 7th harmonics adopting the technology of Selective Harmonic Elimination ( SHE).

介绍了一种单桥电流源型整流器，运用特定谐波消除技术消除其5次和7次谐波。

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The mathematical model of SHE single bipolar pulse control is established and the relationship between different modulation ratio and switching angles to eliminate the 5th and 7th harmonics is presented.

建立了特定谐波消除单、双极性脉冲控制方式的数学模型，给出了消除5次、7次谐波的不同调制比与开关角的关系。

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Detecting fast and precisely the harmonic component of network current is very important to depress harmonics and compensate reactive power.

准确、快速地检测电网电流中的谐波成分，是谐波抑制和无功补偿的关键。

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This paper provides a new method for fast qualitatively detecting the disturbance sources, which is based on their statistical instantaneous characteristics. There are four examples imitated under MATLAB including harmonics, voltage sag, voltage swell, short-time transform of voltage dip.

提出一种基于检测点产生的瞬时负荷统计特性快速确认扰动源的方法，展示了该原理在谐波、电压凹陷、电压膨胀、瞬间电压降落四种扰动，在MATLAB下的仿真和计算结果。

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Positive result are obtained with introduction of anti-interference measures against interference sources such as system harmonics, phase deviation of PT and digital wave distortion.

针对MOA检测中的干扰方式如系统谐波、PT相移以及数字波形失真提出了相应的抗干扰措施，取得了一定的效果。

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The parallel-type dynamic voltage multi-objective control device simulation model is established based on PSCAD/ EMTDC simulation software. The simulation waveform of voltage rise temporarily and sag, current harmonics, reactive power compensation and short current limited is given.

基于PSCAD/EMTDC仿真软件建立了多目标控制并联型电压暂降恢复装置的仿真模型，给出了暂降暂升抑制、谐波治理、无功补偿和短路限流的仿真波形。

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Power System Harmonics Measurement Window Interpolation Algorithm and the Realization with Matlab

电力系统谐波检测加窗插值算法及其Matlab实现

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Design of Passive Filter Used in Filtering the 5~ ( th) and 7~ ( th) Harmonics

用于滤除5、7次谐波的无源滤波器的设计

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Harmonious latitude, beats phenomenon, aural harmonics and virtual pitch are the most important parts and introduce experimental method of music psychology to test them.

重点调查了和谐宽容度、拍音现象、听觉谐音与虚拟音高，并采用音乐心理学的实验方法对其进行了研究。

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The substation is mainly composed of a Three Phase Power Quality Analyzer which measures power, energy and power quality data on all 3 phases including harmonics, transients, sags/ swells, power factor, inrush.

分站系统主要组成部分为电能质量监测仪，测量功率，电能，和三相电能质量数据，包括谐波含量，暂态过程，电压跌落和突增，功率因数，冲击等。

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Dispersive Calculation of Global Illumination Based on Spherical Harmonics Method

利用球谐方法分散计算场景的全局光照

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Based on the fact that electric power is output from the HF terminal of the frequency converter, this paper analyzes the causes and harms of higher harmonics, as well as the reasons for the power cable oscillation radiation during transmission and their solutions.

根据变频系统高频输出电能特点，分析高次谐波产生原因和危害，并给出在电力电缆传输过程中产生振荡辐射的原因和解决方法。

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However, with the use of new types of electrical equipment, the user terminal to a port of a large number of harmonics injected to the grid.

但随着各种新型电气设备的使用，使得用户终端成为大量谐波向电网注入的端口。

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In this paper an expression for the spectrum of satellite orbit perturbation, induced by all zonal and tesseral harmonics of the earth's gravitational field, is derived based on Lie series.

本文基于Lie级数的方法对卫星轨道摄动进行了频谱分析。这种摄动是由地球引力场的所有带谱调和项和田谐调和项引起的。

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Analyze the instantaneous reactive power theory. According to the theory of instantaneous reactive power, also build a testing model which can be used for harmonics testing in wind farm model.

详细分析了瞬时无功理论以及该理论在谐波检测方面的应用算法并建立了相关算法的谐波检测模型用于风电场模型的谐波检测。

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An Analytic estimative formula of FFT leakage error for non-integral period sampling is analyzed and derived and in the case of the input signal including fundamental wave and higher harmonics, a new calculating method of realizing the self-adaptive Integral period sampling with FFT iterative calculation is obtained.

分析推导了非整周期采样时FFT泄漏误差的解析估计公式，得出了在输入信号含基波和高次谐波分量的情况下，利用FFT迭代计算来实现自适应整周期采样的一种新算法。

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