Usually, it is difficult to compute the power-factor of DC drive electric locomotive, furthermore, the outcome is not exact.
通常情况下计算直流传动电力机车的功率因数较为困难，而且计算出来的数值不甚准确。
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。
A novel power-factor corrector topology applicable to the small welding power inverter is proposed. The basic operation principles and design rules are presented in detail.
提出了一种适用于小功率逆变电源的新型功率因数校正电路拓扑方案，分析了其基本工作原理及参数设计要求。
Among the three-phase power-factor correction circuits, the full decoupling circuit is especially suitable for high power fields because of its high input power and good electrical performance.
在三相功率因数校正电路中，全解耦型电路由于其输入功率大，电气性能较好等优势特别适用于大功率场合。
High power factor at ac input can be achieved by controlling the switch of capacitor charge circuit.
通过对电容器充电回路开关管进行控制，实现交流输入端的高功率因数。
Keep in mind that CPU power is not the only factor in achieving successful capacity planning.
请注意CPU能力并不是实现成功容量规划的唯一因素。
As a vital factor of life, it brings us power, arouses our enthusiasm for loving life, and helps us to create a promising future.
作为生活的一个重要因素，它给我们带来的力量，唤起人们热爱生活的热情，并帮助我们创造一个光明的未来。
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？
One of the key factors of affecting power factor of rectifiers is control technique.
控制技术是影响整流器功率因数的关键因素之一。
Apply150% rated load at rated power factor and measure the time required for the inverter protective devices to operate.
在额定功率因素上施加150%额定负荷，并测量逆变器保护装置启动所需时间。
Grid voltage in accordance with corporate standards and requirements for power factor to determine the motor's voltage rating and type.
根据企业的电网电压标准和对功率因数的要求，确定电动机的电压等级和类型。
As for the problem the high current and the vibration of the torque, the double closed loops which include the current and power factor Angle are worked out.
对于电动机起动需要控制起动电流和转矩震动的问题，采用双闭环的控制方案，即电流闭环控制和功率因数角闭环控制。
The harmonic problems, such as distorting supply voltage, decreasing power factor, increasing energy loss, interfering with communication systems etc. are discussed in the part one.
第一部分讨论各种谐波问题，如使供电电压畸变，降低功率因数，增加能量损耗，干扰通讯系统等。
The effect on the generator excitation magnetic field is different when the capacity and power factor of load are different, and the effect on the internal impedance voltage drop is different, too.
而不同容量的负载，以及负载的不同功率因数，对同步发电机励磁磁场的作用是不同的，对同步发电机的内部阻抗压降的作用也是不一样的。
High efficiency and high power factor are characteristic of rare earth and permanent magnetism and synchronous motor. lt is a energy saving product.
稀土永磁同步电动机具有效率高、功率因数高的特点，是一种高效节能产品。
The simulation result shows that the DSP controller has very fast dynamic response and unity power factor, flexible control and simplified hardware design.
仿真结果表明，DSP控制器可以获得较高的功率因数，且具有快速的电路动态响应、灵活的控制方法以及简洁的硬件设计等特点。
It can achieve unity power factor and low current distortion.
它可以实现单位功率因数和低电流畸变。
This paper discusses the basic principle which the inverted firing angle of thyristor inverter has the influence on power factor of a cascade connected device.
本文论述了可控硅逆变器逆变角影响串级调速装置功率因数的基本原理。
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。
Oil filled bushing should have plugs for test of power factor.
充油套管应带有用于进行功率因数试验的接插头。
Then the capacitance is put in or taken out to compensate, so as to improve the power factor, and reach the aim of energy—saving.
这时投切电容予以补偿，改善功率因数，达到节能的目的。
This article shows the important function of improving power factor.
本文论述了提高功率因数的重要作用。
High power factor, high efficiency, low noise, is the character that power supply and electronic equipment pursuing.
高功率因数、高效率、低噪音是电源装置和用电设备普遍追求的品质。
The input power factor of the converter is about 0.99.
变换器的输入功率因数较高，基本在0.99 左右。
It is pointed out that the power factor requirement for users is too low and should be raised.
文中认为，目前对电力用户功率因数的要求偏低，建议提高。
The DRM has been used for justification of increasing core power factor in Daya Bay NPS18-month fuel cycle project.
该方法已在大亚湾核电站18个月换料项目的提高堆芯功率因子的分析论证中应用。
Speed regulation system using cascade control method with thyristor is a low-cost system, but the classic system has some shortages, such as low power factor, serious harmonic pollution and etc.
晶闸管串级调速系统是一种廉价、简易的调速系统，但是传统串调系统存在着诸如功率因数低、谐波污染严重等弊端。
The relationship between the unity power factor and the voltage balance of the capacitor was discussed.
主要讨论了单位功率因数实现和电容电压平衡问题及其关系。
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。
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。
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