The constant power factor control is a simple and effective energy optimized control strategy.
电机的恒功率因数控制是一种简单、有效的能量最优控制方法。
A new and practical power factor control strategy for three phase PWM current source rectifier was proposed.
提出了三相电流型PWM整流器的一种新型实用的功率因数控制方法。
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。
It analyzes the circuit principle of the system, amplitude control method, phase control method and realization of the power factor control.
分析了系统的电路原理、幅值控制、相角控制及功率因数控制的实现方式。
Based on the unity power factor control strategy of single-phase active power filter, remove the part of non-linear load is the single-phase full-controlled rectifier.
基于单位功率因数控制策略的单相有源滤波,去掉非线性负载部分即为单相全控整流。
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。
Experimental results show that the novel rotor current hybrid control system can satisfy the requirement of VSCF wind generator system, and the power factor control of generated power is available.
实验结果表明,该新型转子电流混合控制结构可以满足变速恒频风力发电机系统的运行要求,同时实现了发电机的输出功率因数可控。
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。
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。
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。
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。
Precise state of charge (SOC) of traction battery is a key factor for power distribution of HEV power system, total control of vehicle and cost reduction.
精确的动力电池剩余电量(SOC)是混合动力系统进行动力分配的重要依据,也是整车控制和降低使用成本的关键。
The method of instantaneous value comparison for source current control of unity power factor rectifier possesses advantages of simplicity as well as valid restriction for maximum switching frequency.
在单位功率因数整流器中,利用瞬时值比较法来控制电源电流,不但控制简单,还可有效限制器件的最高开关频率。
The simulation results show that the power factor approaches to 1 (0.99) at stable state, and the exciting current control method and switches table in four quadrants are correct.
仿真结果表明在稳态时功率因数接近于1(0.99),验证了给出的励磁电流的控制方法、四象限开关表的正确性。
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 paper analyzes the vector control theory for doubly fed induction generator, Maximal Power Point Track (MPPT) and control strategy for the unity power factor of stator output.
阐述了双馈发电机的矢量控制原理及其相应的最大功率点跟踪和发电机定子侧输出单位功率因数的控制策略。
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。
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。
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。
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.
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 active power factor correction(APFC) technology is introduced into the DC energy storage unit ofUPQC for capacitive voltage control.
将有源功率因数校正技术引入UPQC直流储能单元的电压控制。
Compared with the conventional TIG welding machine, this new inverter proves to have much higher efficiency and power factor, less volume and weight, and especially, more precise parameter control.
该焊机由于采用了中频逆变技术,使其效率和功率因数都有较大幅度的提高,不但减小了体积,减轻了重量,而且具有比传统TIG焊机更精密的控制、调节性能等。
Elements that affect the output power factor Angle are analyzed, the basic principle of constant power factor Angle control is studied and its realization scheme is presented.
分析了影响功率因数角的因素,研究了定角控制的基本原理,给出了定角控制方法的实现方案。
According to this relationship, vector control system with energy-saving based on constant power factor was formed.
通过此关系,设计了基于恒功率因数的节能型异步电动机矢量控制系统。
This paper discusses a new control tactics of the converter which adopt voltage vector optimum control tactics by predicting the current of high power factor converter.
通过对高功率因数变流器网侧指令和实际电流的预测,提出了一种采用变流器电压矢量优化控制策略的电流跟踪新方案。
This paper introduces the theory of operation, measurement and control circuit design, software design of a power factor automated compensator, which is mainly designed with 8031 micro - controller.
介绍一种以邓8031单片机为核心构成的功率因数自动补偿控制器的工作原理、测控硬件电路及测控软件的设计。
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。
There are three usual methods for excitation control following constant excitation current, constant power factor, and constant setting open-loop control.
常用的励磁控制方法主要有三种:恒励磁电流、恒功率因数、恒给定开环控制。
There are three usual methods for excitation control following constant excitation current, constant power factor, and constant setting open-loop control.
常用的励磁控制方法主要有三种:恒励磁电流、恒功率因数、恒给定开环控制。
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