In a drive system of power transistor inverter-motor, not only can it be used in fine control of motor current waveform, phase, amplitude and frequency, but can also be used to sense, fault current.
在大功率晶体管逆变器——电动机驱动系统中，它不但可用来对电动机电流的波形、相位、幅值和频率进行精细控制，而且能快速地检测出故障电流。
The air stripline feeding network is featured with low loss, high power capacitance, and it is easy to control its amplitude and phase.
空气板线馈电网络具有损耗小、耐功率高、幅相控制容易等特点而广泛应用于平面阵列天线中。
In this paper, we propose and discuss two new control methods for three phase shunt APFs: the sinusoidal line current control method and the instantaneous reactive power compensation control method.
本论文提出三相并联型有源滤波器的两种新的控制方法，即正弦波化控制和瞬时无功功率的控制方法。
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。
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。
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。
Stable output voltage and input power factor is available by direct adjustment of the amplitude and phase angles of the control voltage for 4qs converter.
通过直接调节四象限变流器控制电压的幅值和相角，达到稳定输出电压和输入功率因数的目的。
This paper describes a microcomputer compound control system for single phase resistance-heated furnace based on power and temperature regulations with uniform distribution and zero trigger.
本文介绍一个单相电阻炉均布式零触发调功调温的微机复合控制系统。
Phase shifter is a commonly-used component in microwave system. Its function is to make the passed electromagnetic wave phase shift, so it's very useful on the phase control and power synthesis area.
相移器是微波系统中的常用元件，它的作用是使通过的电磁波产生一定的相位移，因此它在微波相位控制和功率合成方面具有重要意义。
Fully automated control system, high and low pressure protection, power off phase and reverse phase protection, effective protection of compressor.
全自动化控制系统，高低压压力保护，电源断相及逆相保护，有效保障压缩机运行。
All of these have relied on phase controlled thyristors (PCT), offering the higher power control.
所有这些都依赖于能提供更大功率控制的相控晶闸管(PCT)。
A new control method for the three-phase aeronautical active power filter was proposed.
提出了一种新型三相航空有源电力滤波器的控制方法。
To make full use of the WAMS/PMU in the security monitoring, protection and control of power system, PDSR in phase angle-voltage space was studied.
为充分发挥含PMU的广域量测系统（W AM S/PMU）在电力系统安全预警、保护与控制中的作用，研究了节点相角-电压空间上保证暂态稳定的动态安全域的边界性质。
Thyristor control phase shifter (TCPS) is one of the new facilities implemented in power network, leading to the development of economically efficient and technically reliable system.
晶闸管控制移相器(TCPS)是电力网络中的新设备之一，借以改善电力系统运行的经济性和可靠性。
The DSP sends out the phase shifting control signal and then that amplified by IR2110 chip. It can realize ZVS of the full bridge converter main power switch by the phase shifting drive control.
由DSP发出移相控制信号并经芯片IR 2110驱动放大，在移相驱动信号的控制下可以实现全桥变换器主功率开关的ZVS。
In high power laser system, a small size phase-distortion wavefront measure is necessary to compensate and control the wavefront of laser beam with intermediate frequency.
在高功率激光系统，激光束小尺度相位畸变波前探测是实现激光束中频段波前补偿与控制的重要前提。
In this paper, two types of main power circuits and their control methods are introduced when constructing active power filter in three phase four wire system.
本文介绍了在实现三相四线制有源电力滤波器时所采用的两种不同的主电路结构及其控制方法。
It is also believed that power electronic technology is able to not only raise and stabilize the controlling voltage, phase Angle and tidal current, but also fast control big power supplying network.
认为电力电子技术不仅可以在高压输电系统中用于提高稳定、控制电压、相角和潮流，也具备了快速控制大电网的能力。
This paper mainly discusses the design and the application of the IGBT phase lock control circuit controlled by the induction heating power supply.
本文主要介绍IGBT锁相控制电路在感应加热电源控制系统中的设计和应用。
This paper introduces the system of single phase large power source varied frequency for heating, contains rectifier, filter, inverter and control circuit etc.
介绍了大功率单相变频加热电源的系统组成，包括整流、滤波、逆变和控制电路等部分。
The resonant soft switching inverter arc welding power source uses LCL type structure in the main circuit, and selects phase shifting pulse wide modulation technique in the control system.
研制的谐振式软开关弧焊逆变电源，主电路采用新型LCL结构，控制系统选用恒频移相调脉宽控制方案。
In order to make more effective control of universal power quality controllers (UPQC), an outer loop model for the voltage loop in a three-phase three-wire UPQC is proposed in the paper.
为了对通用电能质量控制器直流侧电压进行更为有效的控制，提出一种用于三相三线通用电能质量控制器(UPQC)直流侧电压控制的外环模型。
It is necessary to design the monitoring system of high-power three-phase inverter to improve its levels of safety, reliability, control and automation.
为了提高大功率三相逆变电源系统运行的安全性、可靠性、可控性和自动化程度，设计其监控系统是必要的。
Discussing a kind of power topological solution and its current control method of the three-phase energy feedback type electronic power load used in aero-generator testing.
论述了一种用于航空发电机测试用的三相馈能式电子负载功率拓扑方案及其电流控制策略。
A two-phase optimization method of multi-period reactive power and voltage control was proposed to confine the action times of control devices.
为减少无功电压控制设备的动作次数，提出了一种多时段无功电压控制的两阶段优化方法。
A novel distributed control scheme is proposed for the parallel operation of single phase digital controlled UPS (uninterrupted power supply).
提出了一种新型分布式控制方法来实现单相数字模块化ups(不停电电源)的并联运行。
A new control scheme is proposed, which combines phase shift power regulation with time compensation during phase locking.
提出了一种将移相式调功与锁相时间补偿相结合的控制方案。
A full digital control system of the single phase parallel hybrid active power filter for electrified railways is introduced.
介绍了电气化铁路用单相并联混合型有源滤波器的全数字控制系统。
In accordance with the feature of three phase unbalanced loads, this article describes the correction principle of reactive power and the control system of single board computer.
本文针对三相不平衡负载特点，介绍了无功功率补偿原理和单板机控制系统。
Two kinds of main circuit configuration and integrative voltage reactive power control scheme for balancing compensation with single phase STATCOM are proposed.
提出了采用单相statcom实现平衡化补偿的两种主电路结构及电压无功综合控制方法。
应用推荐