The errorless of three-phase voltage and current is less than 0.5 percent.
计算高压配电线路得出的三相电压、三相电流有效值误差小于0.5%。
A new control scheme of three phase voltage source PWM rectifier is presented.
提出了一种新的三相电压型PWM整流器控制方案。
Single phase voltage pulse rectifier is an important part of the traction system.
单相电压型脉冲整流器是牵引传动系统的一个重要组成环节。
The working principle of the single-phase voltage-source 4-quadrant converter is introduced.
介绍了单相电压型三电平四象限变流器工作原理。
This paper analyzes the neutral point shift of the three-phase voltage regulator used in the experiments.
本文探讨了三相调压器在实验中出现的中性点位移的问题。
A simplified algorithm three-phase voltage source PWM rectifier for space vector modulation was presented.
提出了应用于三相电压型脉宽调制整流器的空间矢量简化算法。
In this paper, an intelligent instrument is introduced for measuring 3-phase voltage, current and Harmonic.
本文设计了一种三相电压电流谐波监测系统。
With the present of the "Green Grid" concept, three-phase voltage-source PWM rectifier becomes more popular.
随着“绿色电网”概念的提出，三相电压型PWM整流器逐渐成为人们关注的热点之一。
Test results of simulation system show that grid-connected voltage is synchronization with grid phase voltage.
通过对光伏并网系统的测试表明：并网电压与电网相电压同频同相。
The harmonic characteristic of input current in single-phase voltage source PWM converter is analyzed theoretically.
从理论上分析了单相电压源pwm变流器输入电流的谐波特性。
The paper presented a mathematic model and control strategy on a three-phase voltage type rectifier under indirect current control.
该文对基于间接电流控制三相电压型整流器的数学模型和控制策略进行研究。
This paper puts forward a voltage and current double closed-loop controlling method based on three-phase voltage source PWM inverter.
提出了一种基于三相电压型PWM逆变器的电压电流双闭环控制方法。
In this paper, three-phase voltage will be corresponded to the three-dimensional space vector in the three-dimensional space coordinate.
本文采用基于三维空间坐标的功率理论，即三相电压对应到三维空间坐标中的三维空间矢量。
The three-phase voltage source converter can absorb and Issue continuously adjustable reactive power, based on reactive power compensator.
基于三相电压型变流器的无功功率补偿装置可以吸收或发出连续可调无功功率。
The lump-constant equivalent model is built to represent the relation of any single phase voltage and mold current with this characteristic.
利用该特征建立了反应任一单相电压与模电流之间关系的集中参数等效模型。
This paper studies a single phase voltage SPWM inverter based on repetitive control, whose key point is achieving a good sinusoidal output wave.
本文论述的是基于重复控制技术的单相电压型正弦逆变电源，重点是实现输出电压的高正弦度。
However, the magnitude of the breaking phase voltage at transformer exit may have a relatively high raise, and may cause damage to electric appliance.
然而，在变压器出口处断线相电压会有较大幅度的升高，可能损坏家用电器。
Three phase voltage PWM rectifier based on current variable-structure control is studied and mathematic mode of PWM rectifier is analyzed in this paper.
对三相电压型PWM整流器采用电流变结构控制进行了研究，分析了PWM整流器的数学模型，详细设计了电流变结构控制器，并对其稳定性进行了分析。
Parameter test and load discharge can process at one time. It is controlled by CPU, and can automatically test three-phase voltage, current and power ETC.
参数检测和带载放电同时进行，单片机控制，可自动检测三相电压、电流、频率等参数。
It is explained the mathematical model and control method of a new type of ground power supply for metro vehicles, the 3-phase voltage type of PWM rectifier.
阐述一种新型地铁地面供电电源——三相电压型PWM整流装置的数学模型及其控制方法。
This paper proposes a cascaded nonlinear PI controller for three-phase voltage source PWM rectifier, which is based on its model in synchronous reference frame.
该文以同步旋转坐标系模型为基础，设计了三相电压型PWM整流器的级联式非线性PI控制器。
The variables compared include the phase voltage and the phase current of the armature winding, the field current, the load current and the damper bar currents.
所比较的变量有电枢相电压和相电流、励磁电流、负载电流以及阻尼条电流。
Based on ADC subsystem integrated in C8051F005 chip, a new kind of data acquisition system of three-phase voltage was designed, which acted as the microcomputer.
利用C8051F005单片机作为微处理器并基于其内部集成的ADC子系统，设计一种新型三相电压数据采集系统。
A plan for designing and setting up a model of moving graph for the symmetrical three phase voltage is proposed, and it is developed and used in the microcomputer.
提出建立一个发生对称三相电压的动画模型，对其进行规划设计，并在微型计算机上开发实施。
The dynamic braking means that after three-phase voltage is switched off asynchronous dynamo the dc current flows into the stator circuit to realize dynamo braking.
能耗制动是在异步电动机切离三相电源后，在定子回路通入直流电流，实现能耗制动。
Voltage imbalance protection: While a protection of voltage imbalance rate > 20%, the imbalance of three phase voltage will affect the safe running of the equipment.
指三相电压不平衡将会影响设备安全运行的一种电压不平衡率的保护。
The armature response existed in AC exciting system and changing-phase voltage during the rectification are considered in the thesis, so the result is more reliable.
在本文的计算过程中考虑了在交流励磁系统中存在着电枢反应和整流换相压降，故使计算结果更加真实可靠。
It covers five aspects: supply voltage tolerance, utility harmonic, three-phase voltage unbalance, power system frequency tolerance, voltage fluctuation and flicker.
它涵盖五个方面：供电电压允许偏差、公用电网谐波、三相电压不平衡度、电力系统频率允许偏差、电压允许波动和闪变。
Base on the feedback linearization theory for nonlinear systems, presenting a nonlinear model for three phase voltage source PWM and designing a nonlinear controller.
基于非线性系统反馈线性化理论，建立了三相电压型PWM整流器非线性模型，设计了一种非线性控制器。
Base on the feedback linearization theory for nonlinear systems, presenting a nonlinear model for three phase voltage source PWM and designing a nonlinear controller.
基于非线性系统反馈线性化理论，建立了三相电压型PWM整流器非线性模型，设计了一种非线性控制器。
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