Nowadays, people pay more attention to the harm of harmonic.
谐波的危害已得到了人们越来越多的认识和重视。
This paper explained the fundamental reason of harmonics is nonlinear load, expounded the harm of harmonic.
介绍了谐波产生的根本原因是非线性负载，阐述了谐波的危害。
In accordance with the familiar configuration for present lighting system, the common harm of harmonic wave and numerical values were showed here.
针对目前灯光系统设计中常见的配置情况，指出常见的谐波危害及相关数值的计算。
On the basis of analysis of operation performance of AC motor, the harm of harmonic wave of electric net work to electric motor is summarized in the paper.
在分析交流电机工作特性的基础上，阐述了电网谐波对电机的危害。
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.
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。
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。
The harm of harmonic generated by locomotive of electrified railway, which uses electricity along the railway, is more widely and seriously than other harmonic souse to the power system.
电铁机车沿铁路移动用电，其产生的谐波对电网的危害比其它谐波源更为广泛、严重，因此对电铁牵引供电系统谐波的正确检测具有重要的实际意义。
The harm of the high degree harmonic wave in power system was introduced and the selection of prevention and the measure of controlling the harmonic interference were put forward.
本文简要介绍电力系统中高次谐波的危害，以及选择的防治、抑制谐波干扰的措施。
With rapid development of electric power and electron technique, nonlinear equipments are applied in power drawing system widely, which will cause harmonic harm question inevitably.
随着电力电子技术的飞速发展，非线性装置被广泛应用于电力牵引系统，这就不可避免地引发了谐波危害问题。
The firth chapter was built on harmonic fundamental concepts, harmonic harm and influence, and then described the present condition and significance of harmonic study fault data recording.
第一章主要介绍谐波的基本概念，谐波的危害及谐波问题与故障录波装置的研究现状。
The harm and type of harmonic wave were introduced, and the principle of active filter was analyzed as well.
介绍谐波的危害，产生谐波的类型，有源滤波的原理。
Power electronics broad application in power systems brings serious harmonic pollution. This paper introduces harmonic harm, the measure of restraining harmonic and the basic principle of filter.
电力电子装置的广泛应用，给电力系统造成了一定的谐波污染，文中简要论述谐波的危害、谐波的治理措施及无源滤波器和有源滤波器的基本原理。
The cause, harm and effect of harmonic wave were introduced.
介绍了谐波的产生原因、危害及影响。
On the basis of Longkou Mining Group mine harmonic pollution, and harmonic pollution to electric network power equipment and power supply into the effect and harm.
本文根据龙矿集团矿区电网谐波污染状况，及谐波污染给矿区电网供用电设备和供电电能质量带来的影响和危害。
The paper analyzes the harm of high harmonic and provides the restraint necessity and measure.
摘 要分析了高次谐波在诸多方面产生的危害，提出抑制高次谐波的必要性及具体措施。
The paper analyzes the harm of high harmonic and provides the restraint necessity and measure.
摘 要分析了高次谐波在诸多方面产生的危害，提出抑制高次谐波的必要性及具体措施。
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