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。
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。
The reasons of decrease of the power factor were analyzed. The measures of compensation of the power factor were introduced.
本文概述了8K机车功率因数补偿装置的工作原理、参数选择及投切控制。
Operating principle of power factor compensating device for 8k electric locomotive is briefly described as well as its parameter selection, switching on and off control.
本文对新型客运电力机车功率利用、主电路选择和功率因数补偿等进行了初步探讨。
This paper makes an approach to the utilization of powers, selection of power circuits and correction of power factor for new electric passenger locomotive.
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 below thousands watts are very popular, among which UC3854 is most typical.
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。
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.
通过计算，得到了未投入功率因数补偿装置时6K机车功率因数和谐波电流的分布规律。
Calculation results uncover the distribution order of power factor and harmonic current for 6k locomotive with the power factor compensator switched off.
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。
Single phase active power factor compensation control clips middle watts-below thousands watts are very popular, among which UC3854 is most typical.
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。
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.
该功率因数补偿器具有相负载分别补偿，补偿电容在电压过零时投切，各相功率因数和电流值分时显示等特点。
This compensator can compensate phase loads respectively and display all the phase power factors and current values in a time-split way.
简述了新型功率因数补偿装置控制系统的特点，详细分析了新型功补控制系统试验情况，验证了其可靠性，说明新控制系统较原有控制系统性能上有大的改进。
In this paper, the characteristic of new type control system of PFC (power factor compensator) of electric locomotive is briefly described, the test is analysed in detail.
简述了新型功率因数补偿装置控制系统的特点，详细分析了新型功补控制系统试验情况，验证了其可靠性，说明新控制系统较原有控制系统性能上有大的改进。
In this paper, the characteristic of new type control system of PFC (power factor compensator) of electric locomotive is briefly described, the test is analysed in detail.
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