Y connection

This paper explains the function of neutral line in Y connection of asymmetric loads by two ways: experiment analysis and theoretic calculation.

通过实验分析和理论计算，从两个方面说明中线在不对称负载作星形连接时的作用。

互联网摘选

The Y connection and delta connection of transformer in DVR is simulated with Matlab and the three-phase four-wire structure with Y connection is used in the experiment, which can compensate zero voltage component of source voltage by approved SVPWM algorithm.

分别对变压器不同的连接方法进行了Matlab系统仿真，并对变压器星形连接的三相四线结构和改进的SVPWM控制方法作了实验，解决了系统中存在电压零序分量问题。

互联网摘选

When compared with the relevant datum of traditional Y/ △ connection traction transformer, the technical and economical advantage of the new type balance tranformer can be furtherconfirmed.

与传统的星三角接线牵引变压器的相应数据对比，进一步证实了本新型平衡变压器的技术经济优越性。

互联网摘选

Synthesis of Isobutylene-based Polymers by Grafting from a Star-shaped Multifunctional Polymer; y delta connection

星形多官能团大分子接枝合成异丁烯系聚合物星形三角形连接法

互联网摘选

For power transformer with Y/ d connection, two current compensation methods of Y d and d Y are usually used in differential protection to revise magnitude and phase angle.

对于星形/三角形（Y/d）连接组的变压器，形成差动量一般采用2种转角方式：Y侧电流移相转角（Yd）和d侧电流移相转角（dY）以实现二次电流的幅值和相位校正。

互联网摘选

This paper starts with the analysis of power loss of Asynchronous Motors, discusses the performance characteristics, energy-saving theory, energy-saving effects, anti-EMI of protectors and other problems that should be noticed when three-phase Asynchronous Motor switches from △ connection to Y connection.

本文从分析异步电动机的功率损失入手，阐述了三相异步电动机Δ-Y切换降压运行的工作特性、节能原理、节电效果、节能保护器应采取的抗干扰措施以及其它应注意的问题。

互联网摘选

Analysis of Non-zero Neutral Voltage of Linear Three-phase System Load in Y Connection

三相三线制电路中点电位不为零现象分析

互联网摘选

The concept of symmetrizable three-phase sources is expanded and the conditions that the cir-cuits of Y and △ connection are transformed equivalently each other in this paper.

本文扩展了三相对称电源的概念，给出了其Y联接和△联接等效变换的条件。

互联网摘选

Analysis on Stability of a Six-phase Double Y Connection Induction Moter under 30 ° Phase-shift

六相双Y移30°感应电机稳定性分析

互联网摘选

It introduces Type Y connection and its specialty& a new type holding slide into connection for pipe and points out that the usage of Type Y connection for pipe is the development of Type T connection of ball iron pipe and is the exploration for pipe upgrade.

介绍了一种新型钢管用承口滑入式接口&Y型接口及其特点，指出钢管用Y型接口是球铁管T型接口的发展，是为钢管升级而开发的。

互联网摘选

This paper, from the view of distribution and fraction, discussed the conditions of circuit equivalent, on the basis of it, using short connection, breaking off the simple circuit, giving out the simple deduction of the resistance Y connection and A connection equivalent exchange.

本文从分流、分压的角度讨论电路等效的条件，在此基础上用短接、断开等方法用简单电路的万法给出了阻抗Y形联接与△形联接等效变换的简单推导。

互联网摘选

This paper discusses the applicability of V-V connection, zero sequence current protection and Y 0/ Y 0/ connection respectively.

本文对V-V接线、零序电流保护和Yo/Yo/接线各自的适用范围进行了探讨。

互联网摘选

Type Y Connection for Water Transmission Steel Pipe and Finished Product of Pipe

输水钢管用Y型接口及钢管的成品化

互联网摘选

The function of neutral line in Y connection of asymmetric loads

中线在不对称负载作Y连接时的作用

互联网摘选

A three-phase AC adjustable-voltage circuit& pulse-width adjustable-voltage circuit with three-phase symmetrical Y connection

一种三相交流调压电路&三相Y接对称性负载脉宽调压电路

互联网摘选

There are requirements for connection orders of the inlet wires of three-phase full bridge SCR welding power source when its main circuit adopts Y/ △ connection and synchronous transformer adopts Y/ Y connection.

主电路为Y/△接法，同步变压器为Y/Y接法的三相全桥晶闸管焊接电源对电源三相进线接入顺序有要求。

互联网摘选

Power rating of the converter is increased by multiphase interleaving, not by multiple devices in parallel, and its transformer is Δ-Y connection, so it can double the output voltage and lower the turns-ratio of transformer.

其通过多相交错并联而不是多个器件并联的方式来提高变换器的功率等级，并且其变压器为△-Y连接方式，从而能够升高输出电压，减小变压器的绕组比例。

互联网摘选

In this paper, the scattering parameter expression of two port properties of impedance 2 ( in series connection) and admittance Y ( in parallel connection) is discussed, and their active RC model is presented.

讨论了用散射参数表达的串联阻抗Z和并联导纳Y的二端口特性，给出了它们的有源RC电路模型。

互联网摘选

It is showed different "V" connection transformers, "Y" connection transformers and balance transformers, and some other transformers used in AT supply system. All of these transformers are analyzed from safe power supply, economic advantages, and technology required.

给出了基于V形变压器、Y形变压器和平衡变压器等多种同相AT牵引供电系统结构，并从供电可靠性、经济性和技术要求上，分析了各种同相AT牵引供电系统的优劣。

互联网摘选