Simple alternation problem Can AC Single-phase Series Connection Supersede AC Three-phase Temperature Rise Test ?

单次交替题单次交替题交流 三相温升试验能用交流单相串联试验替代吗？

Research on design method of control system for three-phase voltage source PWM rectifier

三相电压型PWM整流器控制系统设计方法的研究

A three-phase three-wire series hybrid active power filter ( APF ) based on one-cycle controller is introduced .

介绍了一种基于单周控制的 三相三线串联混合型有源电力滤波器。

The application of Ethernet technology in automatic testing system for three-phase asynchronous motor routine test was introduced .

介绍了以太网技术在 三相异步电动机全自动出厂试验系统中的具体应用。

The applicability of the proposed method in three-phase system is analyzed .

文章还分析了该算法对 三相系统的适用性。

This paper studied the three-phase PWM ( pulse width modulation ) rectifier in dual PWM variable frequency speed regulation system .

对双PWM变频调速系统中的 三相PWM整流器及其控制方法进行了研究。

The core mass of single-phase and three-phase distribution transformers with wound core is analyzed and calculated . The examples are given .

对单相、 三相卷铁心配电变压器的铁心质量进行了分析和计算，并给出了实例。

The latest three-phase clock signal control method was used to control the working state of charge pump .

电路采用了预 启动和衬底 电位选择结构，并利用 三相时钟信号方式控制电荷泵的工作状态。

A kind of three-phase reference sine wave signal generator based on DSP digital oscillator is designed .

提出一种基于DSP数字振荡器产生 三相基准正弦波信号的设计方法。

The neutral-point voltage fluctuation of three-level converter is only related to applied modulation method and three-phase current .

三电平变流器的中点电压波动只与变流器采用的调制技术和 三相电流有关。

Analysis and Design of Three-phase Rectifier With Near-sinusoidal Input Currents

近正弦输入电流 三相整流器的分析和参数设计

Characteristics analysis and simulation research on a three-phase soft-switching inverter

一种 三相软开关逆变器的特性分析与仿真研究

This paper describes the basic working principles and control methods of three-phase high-frequency boost & buck IGBT SPWM rectifiers .

文中介绍了IGBT升压与降压 式 三相高频SPWM整流器的基本工作原理和控制方法。

The conclusions can be used for the references of three-phase power static inverter .

从而为 三相大功率航空静止变流器的研制打下了良好的基础。

A novel three-phase power factor correction with double frequency is proposed in this paper .

文中提出了一种新型的双频 三相 全 桥功率因数校正器 拓扑结构。

Five-and six-phase motors can offer better torque ripple reduction compared with four-phase and three-phase .

五和六阶段马达可能提供更好的扭矩波纹减少比较四阶段和 三相。

SMVSC is firstly applied to H-model bridge DC-DC converter three-phase rectifier and three-phase inverter in this paper .

本文首次将滑模变结构控制应用于H型桥式DC-DC变换器、 三相整流器和三相逆变器中。

Unbalances appear in a three-phase system when voltages or currents differ from on phase .

三相系统中，某的电压或电流与其它相不相同时，就出现幅值与或相位的不平衡。

An IDA-PB control strategy suiting for three-phase voltage-type PWM rectifier is proposed .

提出了适用于 三相电压型PWM整流器的IDA-PB控制策略。

A steady heat transfer mathematic model is established for a three-phase asynchronous motor by using a finite volume method .

利用有限体积法建立了 三相异步电机的稳态传热数学模型。

In this paper instantaneous reactive power theory using in three-phase four-wire system was discussed at first .

讨论了在 三相四线制系统中瞬时无功功率理论和有源电力滤波器的研究结果。

The multi-objective control of micro source is studied for three-phase four-wire system .

研究了基于逆变器并网的微电源在 三相四线制微电网中的多目标控制问题。

The principle of pure digital PWM of the three-phase AC motor is analyzed .

分析了 三相交流电机全数字脉宽调制的原理。

A novel three-phase internal circulating fluidized bed photocatalytic reactor was established and the radiation transformation in which was investigated .

提出并建立了 三相内循环流化床光催化反应器，对其内部光辐射传递规律进行了研究。

There are many ways to start the three-phase AC asynchronous motor .

对 三相异步电动机软起动方法进行研究。

By applying equivalent circuits this paper has analyzed three-phase asynchronous motor property and the harm to generator under asymmetrical voltage .

利用等效电路，分析了 三相异步电动机在不对称电压下的性能和对电机的危害。

A novel deadbeat predictive current control strategy was adopted according to the characteristics of three-phase grid-connected inverters .

针对 三相并网逆变器的特点，采用一种新的无差拍电流预测控制策略。

In this dissertation digital control method for three-phase inverter is researched .

本文研究了 三相逆变器的数字化控制方案。

It can be applied to low-voltage three-phase systems to compensate reactive power for user 's low-voltage power systems .

该装置能对低压 三相 负荷 平衡的系统进行无功功率补偿。

Power system Load flow Unsymmetrical three-phase Algorithms ;

电力系统；潮流；不对称 三相；算法；