three-wire system

this paper analyzes the principle and the application scope of three-phase three-wire system and three-phase four-wire system for upqc.

本文分析了UPQC的三相三线制和三相四线制两种主电路结构、原理及其适用范围。

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。

A Novel Multiple Electrical Parameter Measuring Device Suitable for Three-phrase Three-wire System

一种新型多路三相无中线电力参数测量装置动力装置参数记录器

Simple three-dimensional human body model for the computer-assisted location system of the micro device inside the human body

体内微型装置计算机辅助定位系统中简易3D人体模型的实现

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。

Multi-item inventory system optimization with decaying products and probabilistic resource constraints; Topology Optimization of Three-dimensional Continuum Structure under Multiple Loading Cases and Constraints

多资源概率约束下多品种变质产品库存优化连续体结构的多工况多约束拓扑优化方法研究

CAD System Design for Three-cone Bit Based on AutoCAD

基于AutoCAD的三牙轮钻头CAD系统设计

the factory uses an a.c. three-phase three-wire system with directly earthed neutral.

这家工厂使用一套中性点直接接地的交流三相三线制系统。

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。

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

This paper introduced the application of new Hall sensor in the voltage and current regulation of the speed-regulation system of rotary three-cone bit drill and analyzed the mode of operation, the structural characteristic and the use result of the component element.

文章介绍了在牙轮钻机调速系统的电压、电流调节中，采用了新型霍尔元件，并具体分析了其工作方式、构成特性以及使用效果。

The paper introduces how the CAD/ CAM system is applied to the high speed machining, improving the mould and die accuracy, inspecting the mould and die with three-coordinate measuring machine, and the management of machining process.

目前，CAD/CAM系统已应用于模具制造的全过程，该文主要介绍了CAD/CAM系统用于模具高速加工、提高模具精度、三坐标测量仪检测模具、生产过程管理等几个方面的内容。

the engineer explained the ac three-phase three-wire system.

工程师解释了交流三相三线系统。