harmonic power的例句大全

Detriments and Prevention of Harmonic Wave of Power Supply and Distribution System in Port

港口供配电系统中谐波的危害及防止

Analysis on the Harmonic Interference of Power-electronics System and Its Repression Method

电力电子系统谐波干扰与抑制方法分析研究

The AC/ DC block is controlled as a high power factor three-phase PWM rectifier thus reduced harmonic distorts to the net and the slip energy can flow bidirectional freely.

AC/DC采用三相PWM高频整流矢量控制，实现高功率因数下转差能量双向流动，效率高、减少对电网污染。

The traditional rectifier circuits are generally diode uncontrollable rectifier or thyristor phase rectifier circuit, these rectifier circuits are always with high harmonic wave, low power factor, and can polluting the power grid easier.

传统的整流电路一般都是二极管不控整流或者是晶闸管相控整流电路，这种整流电路谐波含量大，功率因数低，易给电网造成污染。

Based on the Problem of Humorous and power factor in WIS CO 6 kV bus, starting from practical engineering, the text designed a set of harmonic filter and VAR compensation system. The harmonic influence was eliminated and the power factor was increased.

基于舞阳钢铁公司6kV母线上的谐波及功率因数问题，从工程实际出发，设计一套谐波滤波及无功补偿系统，消除了谐波影响，提高了功率因数。

Detecting methods of reactive power and harmonic current in electrified railway systems

适用于电气化铁路的无功谐波电流检测方法研究

With the rapid development of power market, switching out the customer by force to limit excessive harmonic injection does not work.

伴随着电力市场的快速发展，仅靠强制拉闸来限定超标用户的谐波注入量，是行不通的。

Study and Application of Harmonic Detection Technology in Power Networks Based on HPF

HPF（高通数字滤波器）的电网谐波检测技术的研究与应用

This paper analyzes the influence of the reactive power and power factor measurement by the distortion waveform. Points out the accuracy evaluation of true reactive power and the total harmonic distortion measurement problems.

本文就波形失真对无功功率和功率因数测量的影响进行了分析，提出对真无功功率准确度的评估和总谐波畸变的测量问题。

Analysis and control of harmonic overvoltages during early stages of power system restoration

电力系统故障恢复初期的谐波过电压问题

It can restain harmonics by analyzing harmonics, using harmonic suppression devices and choosing power transformer winding effectively in construction of a levy.

在工程建设中有征对性的对谐波源头进行分析，利用谐波抑制装置和有效选择动力变压器接线组别能较好的抑制谐波。

The paper also developed the data interface of PS3 harmonic analysis instrument and gave the design method of power filters.

研制了PS3谐波测试仪的数据接口，给出了电力滤波器的一般设计方法。

Based on DT4 Power system voltage and harmonic monitor, by taking full advantage of Windows CE and serial communication, we design the read system which is fit for the condition of industry.

在DT4电网电压／谐波检测仪的背景下，充分利用WINDOWS CE和串行通信的特点，设计并开发出适用于工业现场的抄表系统。

Analysis been made on a3 months-lasting field test of6 non-linear utilities in Hubei Electric Power Company, using Chint harmonic multi-function electricity meter.

本文采用具有谐波计量功能的多功能三相电能表对湖北省电力公司下属6个非线性用户进行约3个月的挂网试验并进行了数据分析。

Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total.

监测仪能够完成包括三相电压、三相电流的有效值、功率因数、三相不平衡、电压短期闪变、以及20次内的谐波、谐波相位、谐波失真总量等的测量。

Research for circuit of three-phase power harmonic source

三相功率谐波源控制电路的研制

A large number of EAF generated high-order harmonic, APF inject to grid with amplitude equal and the opposite phase current harmonic the power with controllable power semiconductor devices.

电弧炉正常工作时产生大量高次谐波，APF即利用可控的功率半导体器件向电网注入与谐波源电流幅值相等、相位相反的电流，使电源的总谐波电流为零，达到实时补偿谐波电流的目的。

Finally, the static and dynamic compensator for reactive power and harmonic are analyzed and compared.

最后对目前常用的无功功率和谐波的静态和动态补偿装置进行了分析对比。

As a dynamic harmonic elimination device, active power filter overcomes the shortcomings of Passive filter devices; it is a researching focus in recent years.

有源电力滤波器（Active Power filter，APF）作为一种动态治理谐波装置克服了无源滤波装置的缺点，近年来受到了广泛的关注。

A principle of passive filter based on power harmonic analysis

基于功率谐波分析的一种无源滤波原理