three-phase system的例句大全

For this purpose, a dynamic mathematical model of three-phase asynchronous machine in d-q axes stationary coordinates system has been developed and the computer simulation program has been worked out.

为了得到起动特性，建立了三相异步电动机在（d，q）静止坐标系下的动态数学模型，编制了仿真程序。

This article introduces a short-circuit and overload selectively protective system of 660/ 1140 V three-phase low-voltage power network.

介绍一种矿井660/1140V低压电网选择性三相短路及过载保护系统；

Research on the System Simulation of the Three-Phase Rectifier Based on Voltage Space-Vector

电压空间矢量三相整流器系统仿真的研究

Harmonic sources modeling and harmonic superposition simulation of power system with multi-harmonic sources HARMONIC CURRENT MODELLING FOR THREE-PHASE RECTIFIER BRIDGE

多谐波源网络谐波源建模与谐波叠加仿真多谐波源电力系统谐波潮流计算&（Ⅲ）三相桥式整流负荷的谐波电流模型

It is suitable for both three-phase three-wire system and three-phase four-wire system.

该公式既适合于三相三线制系统，也适合于三相四线制系统。

The parameter design idea of the DC side energy storage component in the single-phase PWM converter is applied into three-phase three-wire system, and the values of the voltage and capacitance at the DC side are determined.

将单相变流器直流侧储能元件的参数设计思想应用在三相三线制系统中，确定了直流侧电压值和电容值。

Simulation and Design of Shunt Active Power Filter in Three-Phase Three-Wire System

并联三相三线制有源电力滤波器的仿真与设计

A digitally controlled shunt active power filter based on DSP is designed for three-phase three-wire system.

针对三相三线制供电系统设计了一采用DSP数字控制的并联有源滤波器。

With regard to the three-phase three-wire converter system, the phase dependency problem is studied in details and two decoupling schemes for the parabolic PWM current control are developed.

以三相三线电压型变换器系统为研究对象，系统研究了抛物线法电流控制技术的三相解耦控制问题，并提出了两种解耦控制方法，即虚拟零序电流解耦法与虚拟两相电流解耦法。

A Monitoring System for Electric Parameters of Three-phase Transformer

三相变压器电参数监测系统

The converter transformer that High-voltage DC ( HVDC) transmission system adopted in is three-phase transformer group, its response to the DC magnetic bias is very sensitive.

高压直流（HVDC）输电系统中所采用的换流变压器是三相变压器组，其对直流偏磁十分的反应十分灵敏。

In this paper, based on the study on the model of electrical transformer in EMTDC ( Electro-Magnetic Transient in DC System), the simulations for magnetic inrush and fault current of three-phase transformer are done. And analysis are given to the simulation.

在分析电磁暂态仿真软件EMTDC（Electro-Magnetic Transient in DC System）里变压器模型的基础上，构建模型对变压器励磁涌流和内部故障电流进行了仿真，并对仿真结果进行了间断角和二次谐波含量分析。

Analysis of Mathematical Model and Simulation for Three-Phase Five-Limb Transformer Rectifying System

三相五柱变压器整流系统的数学模型和仿真分析

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

Research on Measurement and Calculation of Three-phase Voltage Unbalance Factor Standard for Traction System

牵引系统中三相电压允许不平衡度测量与计算的研究

Design and Simulation of Double Closed-loop PI Regulator of Three-phase Voltage Source Rectifier Control System

PWM整流器的双闭环控制系统设计与仿真研究

Research of Traction Power Supply System in Subway Base on Three-phase Voltage Type PWM Rectifiers

基于三相电压型PWM地铁牵引供电整流器的研究整流器供电直流拖动

Application of Three-phase Winding DC Resistance Testing Instrument in the Electrical Performance Testing System for Submersible Motor Pumps

三相绕组直流电阻测试仪在潜水泵电性能检测系统中的应用

An intelligent starter method is introduced by using three-phase thyristor module as the main circuit and microprocessor intel-8051 as the control center, the principle of this method is analyzed and discussed, and an automatic control system composed by microprocessor intel-8051 is also developed.

提出了一种采用三相电力晶闸管模块为主电路、单片机为控制核心的智能型起动方法，分析和讨论了该方法的工作原理，研制了采用8051单片机构成的控制系统。

Three-phase voltage type PWM rectifier compared to the conventional diode-controlled rectifier or thyristor phase-controlled rectifier has the advantages of the sine of the net measured current, unity power factor, energy flow in both directions, the system can run in four quadrant.

三相电压型PWM整流器相对于传统的二极管不控整流或者晶闸管相控整流具有网测电流正弦化、单位功率因素、能量双向流动、系统可四象限运行等优点。