控制技术是影响整流器功率因数的关键因素之一。
One of the key factors of affecting power factor of rectifiers is control technique.
如此，在容限电压法当中，直流电压和和有功功率分别被整流器和反相器所控制。
Thus, in the voltage margin method, the dc voltage and the active power are separately controlled by the rectifier and the inverter, respectively.
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 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.
提出了一种零电流开关结构的单开关管的三相升压功率因数校正整流器。
Zero current transition (ZCT) topology of the single switch three phase boost power factor correction (PFC) rectifier is 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。
A new and practical power factor control strategy for three phase PWM current source rectifier was proposed.
论述了运用PWM整流器实现无功功率补偿的ML变频系统的工作原理、电路结构和控制的实现方法。
The work principle, circuit structure and realization method of control of the ML frequency converter system are discussed. The system USES PWM rectifier to realize reactive power compensation.
本文介绍功率因数校正(PFC)原理，以及一个PF C整流器的实现。
This paper discusses the principle of power factor correction (PFC) and describes the realization of a PFC rectifier.
实验证明，采用新型PWM控制的整流器功率因数近似为1，且可大大减小平波电抗器的电感器。
The experiment shows power factor of the rectifier is approximate to 1 and the inductance of the DC filter is decreased greatly by applying the new PWM control method.
文章采用单位功率因数pwm整流器和斩波电路组成开关电源主体，建立以pwm整流电路为输入电路的新型开关电源。
In this paper, using unity power factor PWM rectifier and chopper circuit, it establishes a new type of switching power supply about PWM input rectifier circuit.
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.
在所谓制动阶段，功率从开关型变流器的交流侧流向直流侧；此时变流器相当于一个整流器。
During the so-called braking of the motor, the power flows from the ac side to the dc side of the switch-mode converter and it operates in a rectifier mode.
建立了对基于电压空间矢量pwm的三相高功率因数整流器实现电流稳态无差拍控制的设计准则。
Set up the circuit design criterion for the steady - stage deadbeat control to the line current of a three - phase high-power-factor rectifier based on voltage space-vector PWM.
这就对大功率晶闸管整流器触发系统安全可靠性提出一个严峻的问题。
This poses a question concerning the safety and reliability of the high power thyristor rectifier trigger system.
通过对传统直接功率控制的分析，推导出一个新的开关表，可以显著地改进PWM整流器的无功功率控制性能。
Through analysis of classical DPC, a new switch table can be deduced which promote the efficiency of reactive power control of PWM rectifier.
可变开关频率为缓解这个问题，一种新型的准DPC控制策略与电流回路通过PWM整流器瞬时功率的分析表示。
To alleviate the problem of variable switching frequency, a novel quasi DPC control strategy with current loop was represented through the analysis of PWM rectifier instantaneous power.
采用双环结构，用三个非线性PI环节实现了对整流器直流电压与功率因数的高性能控制。
The DC bus voltage and the power factor of the PWM rectifier are regulated by three nonlinear PI controllers with high performance.
简略讲解了整流器基本原理及其高功率因数的控制方法和电力滤波技术及其控制方案。
This article briefly explained the basic principles of rectifiers and its control program in high power factor and power filter technology and its control program.
介绍了三相电压型PWM整流器直接功率控制(DPC)系统的组成与原理，分析了开关表的形成机理。
The article introduces the direct power control (DPC) principle and constitution for three-phase boost - type PWM rectifiers and analyses switching table.
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.
提出一种新的复合型整流器拓扑结构，该整流器与传统的多重化整流器相比，其THD达到了电力系统小于5%的要求，功率因数在0。
Compared to the traditional topology of multi-pulse rectifier, the rectifier realizes a lower THD, which is less than 5% required by the power system, and its power factor is above 0.
PWM整流器可成为理想的用电设备或电网与其它电气设备的接口，因为它可以实现无电网污染和可调整的功率因数。
PWM rectifier might become an ideal electric appliance or a linkage between grid-line and other electric facilities, characterized of pollution-free and adjustable power factor.
将改进型桥式整流器串接或并接构成双重化变流电路，可用于大功率整流负载。
The modified bridge rectifiers are connected by series or parallel, to compose the double converter, that can be used to high power rectifying load.
PWM整流器可实现正弦的网侧电流、单位或可调的功率因数、能量的双向流动，是一种真正意义上的“绿色环保”电力电子装置。
The PWM rectifier is a "green" power electronics equipment since it offers sinusoidal input currents, unity or adjustable power factor, reversal of power flow.
解释了有关熔断对整流器和功率半导体器件实现短路保护的原理。
Rectifier and semiconductor short circuit protection principles in respect to fusing are explained.
在电流跟踪型pwm整流器的基础上引入功率因数调节器，实现PWM整流器的功率因数闭环控制。
Base on the current tracing PWM rectifier, a new structure is proposed by introducing a power factor adjuster in to realization power factor variable PWM rectifier unit.
为了提高整流器的动态性能，本文采用三电平PWM整流器直接功率控制策略。
To improve the dynamic performance of the rectifier, this paper presents three-level PWM rectifier direct power control strategy.
脉冲整流器因为能实现能量的双向流动、调节电网功率因数及减小对电网的“污染”等优点，其应用的范围领域也越来越广泛。
The scope of Pulse rectifier's application areas has become more extensive for the advantage of bidirectional power flow, adjustable power factor and reducing the grid's "pollution", etc.
叙述了大功率高压电力电子器件IGBT变频传动装置整流器系统的原理，着重分析了故障原因及应吸取的教训。
The principle of in frequency converter using large high-voltage power electronic device IGBT was discussed. And the cause of fault was analyzed as well as the lesson should be learned.
叙述了大功率高压电力电子器件IGBT变频传动装置整流器系统的原理，着重分析了故障原因及应吸取的教训。
The principle of in frequency converter using large high-voltage power electronic device IGBT was discussed. And the cause of fault was analyzed as well as the lesson should be learned.
应用推荐