本文论述了提高功率因数的重要作用。
This article shows the important function of improving power factor.
提高功率因数是提高电能利用率的主要手段。
Increasing power factor is main measure for increasing the utilization factor of power.
从而验证基于PWM整流器的开关电源有抑制谐波和提高功率因数方面的优越性。
It can verify the switching power supply based on PWM rectifier to be able to suppress harmonic and improve power factor.
安装在输配电网络中的并联电容器将会增加传输能力，减少损失并提高功率因数。
Shunt capacitors installed in transmission and distribution networks will increase transmission capability, reduce losses and improve the power …
提高功率因数，降低输入电流，减轻了变压器的负荷并提高了效率，增大了变压器的容量。
Electric saver can improve the power factor, reducing input current, lighting the transformer's load, and increasing efficiency and transformer's volume.
本文主要从提高功率因数和能量回馈两个角度对三相电压型PWM整流器作了相应的研究。
This paper mainly focused on the research of three-phase PWM voltage source rectifier from the two angles of improving the power factor and feedback of energy.
功率因数校正技术是抑制谐波电流、提高功率因数的行之有效的方法，近年来受到了越来越多的关注。
Power factor correction technology is an effective method of restraining harmonic currents and increasing power factor, which has been attended more and more in recent years.
在电气化铁道牵引变电站中，装设无功补偿电容器和谐波滤波器是提高功率因数、改善电能质量的重要手段。
In electric railway traction substation, power capacitors and harmonic filters are the important devices for improving both the power factor and the power quality.
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 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.
仿真计算及实验结果表明该控制方案可以使异步电动机在不同的负载下均呈现出较高的效率，并且兼顾提高功率因数。
The approach, which takes the ratio of the stator voltage to current as the control criterion, improves the efficiency and power factor of asynchronous motors.
用电设备的功率因数是衡量其性能的一项重要指标，而提高功率因数的最根本和有效的途径就是采用有源功率因数校正技术。
The Power Factor of electronic devices is a main index to judging their performance, while Active Power Factor Correction (APFC) is a radical and effective approach to improve Power Factor.
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.
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。
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.
并联电容器组的基本目的是要提高当地线路的电压，或提高引线路所带负荷的功率因数。
The basic purpose of a shunt capacitor bank is to increase the local circuit voltage and or reprove the load power factor carried by the circuit.
文中认为，目前对电力用户功率因数的要求偏低，建议提高。
It is pointed out that the power factor requirement for users is too low and should be raised.
给出了一种用串联电容来提高两组或多组相同感性负载并联电路功率因数的方法。
A new approach to enhance the power factor of two or more the same inductive loads in parallel is presented.
因此，提高电力系统的功率因数，已成为电力工业中一个重要课题。
Therefore, improvement of power system power factor, the power industry has become an important issue.
多重化整流是电力电子变换设备减小对电网谐波干扰、提高设备功率因数所采用的重要方法。
Multiplex rectifier is an important component for power electronics equipments to implement reducing the harmonic interference to electric network and improving power factor.
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。
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.
静止无功发生器可提高交流输电系统和配电系统的电压调节能力、系统稳定性和功率因数。
Static var generators are used to improve voltage regulation, stability, and power factor in ac transmission and distribution systems.
但如果设计反激有源箝位电路工作在电流连续模式，控制占空比，使输入电流跟随输入电压，可以提高输入功率因数。
However if the active clamp flyback converter is designed to operate in CCM, and the duty cycle is controlled to make the input current track input voltage, the input power factor can be improved.
实行电动机无功就地补偿，对改变电动机低功率因数运行、减少线路损耗、提高变压器带载能力，有明显效果。
It has evident effect on low power factor working of motor, decreasing line loss and improving load ability of transformer.
提高牵引变电所(简称牵引变)功率因数以改善系统电压质量、减少系统损耗是改善电气化铁路电能质量的有效措施。
Increasing power factor of traction substation is the effective measure to improve power quality of electrified railway for better voltage quality and less loss.
同时整流变压器的附加谐波损耗得到了有效降低，功率因数得到提高，改善了系统的电能质量。
Consequently, the additional harmonic loss of rectifier transformer is reduced, the power factor is enhanced and the power quality is improved.
介绍采用同步电动机和并联电容器进行无功补偿等常用的无功功率补偿方法，以提高用电设备的功率因数。
The common methods of compensating reactive power are introduced to raise the power factor of electric equipment, such as those of using synchronous motors and parallel capacitors.
文章提出了将线性发电机(LG)并入现有SCM以提高输出功率、改善功率因数和测量系统的可行性，并在山梨磁悬浮试验线进行了试验。
We studied the feasibility of a linear generator (LG) that is integrated into an existing SCM, improved the output, power factor and measuring system, and tested it on the Yamanashi Maglev test line.
文章提出了将线性发电机(LG)并入现有SCM以提高输出功率、改善功率因数和测量系统的可行性，并在山梨磁悬浮试验线进行了试验。
We studied the feasibility of a linear generator (LG) that is integrated into an existing SCM, improved the output, power factor and measuring system, and tested it on the Yamanashi Maglev test line.
应用推荐