It USES digital circuit to realize the calculation of the power factor.
用数字电路实现功率和功率因数的计算。
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。
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。
Two circuits, characterized by high Power Factor and low output voltage, are proposed.
这两种电路都具有功率因数高、输出电压较低等特点。
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 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。
It can obtain the improve of power factor of the input motor power, and can lighten its capacity.
可实现电机输入电源功率因数的改善，减轻其容量。
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。
This phase advancer enhances the power factor evidently to realize the purpose of saving the energy.
这种静止式进相器显著地提高了功率因素，达到了节能的目的。
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。
The experiment results indicate the system has the characteristics of high power factor and low harmonic current.
实验结果表明，该系统具有输出功率因数高，对电网谐波污染小等优点。
This paper describes the efficiency, power factor and other parameter features of the synchronous electric motor.
本文介绍了异步电动机的效率、功率因数和其他参数的特性。
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。
It is easy to use, reliable, inexpensive, solid structure, but the lower power factor, speed is also more difficult.
它使用方便、运行可靠、价格低廉、结构牢固，但功率因数较低，调速也较困难。
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。
It adopts bidirectional switch and on time rectification, and obtains high power factor, high efficiency and low THD.
它采用双向开关和同期整流，得到了高功率因子、高效率和低高次谐波。
Not only high power factor synchronous motor, and its speed is independent of the load, depends only on grid frequency.
同步电动机不但功率因数高，而且其转速与负载大小无关，只决定于电网频率。
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。
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。
As the heart of the power factor correction circuit, the gain modulator gets a high power factor by controlling the input current.
增益调制器作为功率因数校正电路的核心电路，通过控制输入电流来得到一个高的功率因数。
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。
The power factor correction (PFC) and half-bridge inverter circuit topology are commonly used in modern high power factor electronic ballasts.
现代高功率因数电子镇流器结构中普遍采用功率因数校正（PFC）和半桥逆变谐振电路拓扑。
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.
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 development of permanent magnet electrical machinery with high efficiency and high power factor supply new ways for water pump saving energy.
高效、高功率因数的稀土永磁电机为水泵节能开辟了新途径。
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。
Calculation results uncover the distribution order of power factor and harmonic current for 6k locomotive with the power factor compensator switched off.
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。
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。
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。
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。
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