本文简单介绍了高次谐波产生的机理、危害及有效抑制干扰的方法。
This paper brief introduces the mechanism, damage and restraining method of high order harmonic.
用此方法实际产生了各种模式的SPWM波，并对其谐波进行预评估。
With this method, we generate and evaluate practically different modes of SPWM waves.
本文从谐波的危害和产生入手，先介绍了有源滤波器的原理及结构，然后对有源滤波器的谐波检测和控制方法做出分析比较。
This paper starts from source and harm of harmonics, continues with the principle and structure of APF, and a comparison of several harmonic detection and control methods.
本文介绍了谐波产生的原因与危害，谐波分析方法与谐波标准，抑制谐波的措施，以有助于对谐波的了解和研究。
This article introduces the emergence ami effect of harmonics, harmonics analysis method and standard, harmonics elimination for being aid to understanding and researching at harmonics.
文中分析了电力系统中谐波的来源及其产生的影响与危害，并总结了相应的消除对策和抑制的方法措施等。
The paper analyzes the sources and impact and hazard of power system's harmonic and summarizes the corresponding eliminating solutions and restraining measures.
针对大功率整流装置及其他电子元件所产生的谐波对电网的危害，总结出治理谐波的常用方法。
To counter the harm of harmonic on power network, which is from rectifying unit with large power and other electron element, the common method of harness were summarized.
该方法主要研究南方电网2008年多馈入直流系统各个逆变站由于滤波器投切产生的谐波电流的交互影响。
The interaction of harmonic currents caused by switching ac filters of inverter stations in the multi-infeed DC system of China Southern Power Grid in the year of 2008 is mainly researched.
这种调制方法使用基于人工智能优化算法产生脉冲信号的调制方法，对大功率三相PWM变换器进行谐波优化。
This modulation control method applies modern heuristic optimization technique to generate PWM signals which can achieve harmonic optimization of three phase high power PWM converters.
分析了电子镇流器产生谐波电流的原因，并以一种新型电子镇流器为例，指出了降低谐波含量、提高功率因数的方法及其实际意义。
A detail analysis of producing harmonics of electronic ballast is provided. The method to reduce the harmonics distortion and improve the power factor is derived.
研究电动汽车充电站接入电力系统后对公共电网产生谐波的特点和计算方法。
The features and calculation method for harmonics are researched while electric vehicle (EV) charging station is switched into public power grid.
提出了一种寻找最佳二次谐波产生方向的方法。
A method for determining the optimum direction in SHG is suggested.
对由励磁电源管压降所产生的谐波和变频器直流电容电压波动的问题进行了详细的分析并提出了改进方法。
The mechanism of harmonic increments caused by power device forward voltage drop and DC-link capacity voltage variety are analyzed in detail, and the compensation algorithm are proposed.
通过直接数值模拟的方法，探讨在超音速边界层的转捩问题中，是否存在和不可压缩流情况相似的产生亚谐波的机制。
The spatial evolution of 2-D disturbances in supersonic sharp cone boundary layers was investigated by direct numerical simulation(DNS) in high order compact difference scheme.
通过直接数值模拟的方法，探讨在超音速边界层的转捩问题中，是否存在和不可压缩流情况相似的产生亚谐波的机制。
The spatial evolution of 2-D disturbances in supersonic sharp cone boundary layers was investigated by direct numerical simulation(DNS) in high order compact difference scheme.
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