How to consider harmonic suppression and power factor compensation comprehensively?
谐波治理及功率因素补偿如何综合考虑？
Single phase active power factor compensation control clips below thousands watts are very popular, among which UC3854 is most typical.
对几千瓦以下的单相有源功率因数补偿控制芯片很多，其中UC3854最具代表性。
Single phase active power factor compensation control clips middle watts-below thousands watts are very popular, among which UC3854 is most typical.
单相PFC已进入实用阶段，在中小功率单相有源功率因数补偿控制芯片中，UC3854最具代表性。
This paper expounds the compensation principle of dynamic power factor and introduces the parameter detection and the control method of the dynamic power factor compensation.
阐述了动态功率因数的补偿原理，介绍了动态功率因数补偿过程中的参量检测与功率因数动态补偿的控制方法。
The electric current and voltage are close to the phase after compensating, namely the power factor is close to 1, so the purpose of dynamic var compensation is achieved.
由于补偿后的电流与电压在相位上接近，即补偿后的功率因数接近1，所以达到了动态无功功率补偿的目的。
C will cause harmonic flow reactive (power factor) compensation capacitor current increase significantly, resulting capacitor will soon be put into operation in damage.
c谐波将引起流过无功(功率因数)补偿电容器的电流显著增加，造成电容器投入运行不久就损坏。
The paper introduces the automatic compensation device of high voltage network's power factor.
介绍一种自行研制的高压电网功率因数自动补偿装置。
This paper mainly introduces the power factor control method, reactive power(reactive current) control method, the performance and the applications of the dynamic & static compensation equipment.
文章主要介绍了静、动态补偿装置，其功率因数控制方式、无功功率（无功电流）控制方式、性能及应用场合。
Experiments result shows that this control system increase work efficiency and power factor by applying nearby capacitance compensation theory. The control system processes fine saving energy effect.
实验结果表明该节能控制系统利用就地电容补偿原理，降低了抽油机的总损耗，提高了工作效率和功率因数，具有较好的节能效果。
Automatic compensation load reactive power, enhancing the load power factor.
自动补偿负荷无功功率，提高负荷功率因数。
The power factor for the railway substation of the electrified railway is low and can not meet the conditions of severe tractive load to reactive compensation requirements.
针对电气化铁路变电所功率因数低，不能满足剧烈变化的牵引负荷对无功补偿要求的现状。
In this paper, the measures of raising power factor for motor and transformer are introduced and the problem of compensation of power factor is analysed.
介绍了提高电动机和变压器功率因数的具体措施，并对功率因数补偿问题进行了分析。
A new method of accurately setting reference values of power factor in the control of static var compensation (SVC) is introduced.
介绍了一种在静止无功功率补偿(SVC)控制中精确跟踪功率因数参据量的方法。
Many load in distribution network has low power factor, fluctuates greatly, and changes fleetly. It is hard to achieve perfect compensation by traditional compensator.
配电网中许多负荷功率因数低、波动大、变化快，传统的无功功率补偿装置很难起到理想的补偿效果。
This power-factor monitoring and compensation system was made up of electrical parameters detection system and compensation controlling system.
此功率因数监测与补偿系统由电参数检测系统和补偿控制系统两部分组成。
It concludes that reactive compensation can increase power factor. Economical transformer operation can decrease energy loss. Power demand control can shed maximum peak load and lower productive cost.
无功补偿可以提高功率因数，变压器的经济运行可以最大限度地降低变压器的电能损耗，需量控制能够降低企业最大峰值负荷，降低生产成本。
The reasons of decrease of the power factor were analyzed. The measures of compensation of the power factor were introduced.
本文分析了功率因数下降的原因，介绍了功率因数补偿的措施。
This article explains main factors to influence power factor in electrical network, common methods of reactive compensation in low voltage network, and the benefits of reactive compensation.
文中分析了影响电网功率因数的主要因素、低压电网无功补偿的常用方法及无功补偿的效益。
The reactive power compensation is a important means of enhancing power factor, otherwise, by remote control, loss statistic and line rebuilding also can reduce the line loss.
提高功率因数的一个重要办法就是无功补偿。另外通过远动监控、线损统计、线路改造等措施，也可以降低线损。
The equipment solves mainly the resonance problem in compensation, makes power factor be more than 0.9, and restrains the harmonic in electrical network effectively.
此装置主要解决了补偿中的谐振问题，并使电力系统的功率因数提高到0 . 9以上，同时有效抑制了供电网的谐波。
According to the power factor of compensation point, the controller chooses different control strategies to maintain the power factor between the setting value and 1.
控制器根据补偿点的功率因数大小，实时选择控制策略，使补偿点的功率因数值维持在设定值和1之间。
A circuit topology of a combined compensation system for power factor correction, harmonic mitigation and harmonic resonance damping is proposed.
提出了一种具有功率因数校正、滤除谐波电流和抑制谐波谐振的电力系统综合补偿系统电路结构并将其成功应用于实际工程。
In the light of low power factor of the former power supply system of Majishan Port, Bao Steel, a new calculation method for wattless compensation capacity is put forward.
针对宝钢马迹山港原供电系统功率因数低下的问题，提出了一种新的无功补偿容量计算方法。
Decrease reasons of the power factor are analyzed and measures for compensation of the power factor are presented in this paper.
本文分析了功率因数下降的原因，介绍了功率因数补偿的措施。
It improves the quality reactive current compensation effectively and the power factor highly with lower capacitor costing and switching frequency.
它不仅有效地提高无功电流的补偿质量，改善了供电系统的功率因数，而且并联电容的成本和投切频率都很低。
The reactive power compensation principle and method of constant power factor control are studied theoretically . and experimentally.
然后阐述了可控电抗器恒功率因数控制的无功补偿原理和实现方法，并进行了无功补偿实验。
The power factor of power system will be decreased by under-compensation of reactive power and it is harmful for the devices of customers while the power in the three phases are unbalanced.
电力系统无功功率补偿不足会引起功率因数下降，而三相功率不平衡则会影响到用电设备的安全。
Improving power factor (meaning compensation of wattless power) of enterprise in using power is one of important subjects in economizing power.
无功功率补偿是工业企业及建筑电压设计中经常采用的一种节能方式。
Improving power factor (meaning compensation of wattless power) of enterprise in using power is one of important subjects in economizing power.
无功功率补偿是工业企业及建筑电压设计中经常采用的一种节能方式。
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