phase transformer

Teaching and practising for determing the connection group symbols of a three-phase transformer

对确定三相变压器连接组标号的教学及实践

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Connection Skill for Three-phase Transformer Terminal Group

三相变压器接线组别的连接技巧

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Analysis of Electromagnetic Transients of Three-phase Transformer's Non-synchronous Closing and Its Influence on Protection

三相不同期合闸下变压器电磁暂态分析及对保护的影响

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A Monitoring System for Electric Parameters of Three-phase Transformer

三相变压器电参数监测系统

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Establishment and Application of Phase Model Diagrams for the Three-phase Transformer

三相变压器相位变换图模的建立及应用

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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。

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There is a similar grounding pad on the three-phase transformer cover near the neutral point bushing.

在中性点套管附近 三相 变压器外罩上也设置类似的接地衬垫.

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An easy method is introduced in detail to identify the connection group of three-phase transformer.

详细、系统地介绍了一种识别三相变压器连接组别的简易方法。

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A formula of link relation of three-phase transformer is deduced using three absolute single-phase transformer based on mathematical model of single-phase two winding transformer.

以单相双绕组变压器数学模型为基础，用3个独立的单相变压器表征三相变压器的每一相，推导出了三相之间的连接关系方程；

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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。

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The paper brings out a few of measures to save energy including rational planning of grid, improvement of line loss management, public line, reactive compensation on-spot, promotion of single-phase transformer and elimination of timeworn facilities, etc.

提出了多种途径的节能措施，包括合理规划电网、加强线损管理、完善公用线路、公用台变无功就地补偿、推广单相变、淘汰落后用电设备等。

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Calculation Method of Test Current in Three-Phase Transformer Short-Circuit Test by Single-Phase Power

三相变压器用单相电源进行短路试验时试验电流的计算方法

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Transformation Rule of Connecting Group Grade of Three-Phase Transformer

三相变压器联接组别标号的变化规律

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Design of Three-phase Transformer Coil Connection Arrangement Instrument

三相变压器线圈联结组别测定仪的设计

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A Three-phase Transformer Leakage Inductances Parameter Identification Algorithm Based on the Constrained Least Squares Method

基于约束最小二乘法的变压器三相漏感辨识算法

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The present article describes briefly the influence of winding method of three-phase transformer and the structure of magnetic circuit on the waveform of secondary voltage at an initial angle.

从激磁的角度简要叙述了变压器绕组接法和磁路结构对二次电压波形的影响。

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The winding group analysis of three-phase transformer based on the voltage vector

基于电压相量的三相变压器组别判定方法

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The phase recurrence algorithm that estimates connection group of three-phase transformer fleetly was given in this article. Compared with the phasor graph method, the phase recurrence algorithm has the advantages of simpleness, speediness and accuracy.

文章给出了一种快速判断三相变压器联接组的方法&相位递推法，这种方法和相量图法比较具有简单、快速、准确的特点。

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An Easy Method to Identify the Connection Group of Three-phase Transformer

一种识别三相变压器连接组别的简易方法

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Solving Problems on Three-phase Transformer Connection Groups and Marks by a New Decision Graph Method

判定图法确定三相变压器联接组及标号

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The relationship of two kinds of curves for asymmetric three-phase transformer is deduced in this paper.

不对称三相变压器两曲线有合理的转换关系。

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Referring to the connection diagram, several numbers can be listed, then taking their algebraic sum gets the connection group of three-phase transformer immediately.

它由连接图写出几个简单数字并取其代数和，就得到三相变压器的连接组别。

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Calculation of Induced Voltage in Temporary Winding of Three-Phase Transformer with Five-Limb Core

三相五柱式变压器铁心临时绕组感应电压的计算

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Apply single-phase and three-phase transformer mixed supply power manners that can lower line loss largely and improve power supply stability and voltage rate at the aim of shorten low voltage line with high voltage into users.

在配电线路上采用单、三相变压器混合供电方式，以高压进户、缩短低压线路降低线损为目的，使配电线路线损有了较大幅度降低，提高了供电可靠率和电压合格率。

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For multi-degree nonlinear mechanical model of single phase transformer windings, the time domain response and the relation between the response and various parameters are obtained by Runge-Kutta method.

对于典型的单柱式变压器线圈系统建立了非线性多自由度模型，进行了短路响应数值分析，得出了响应特征及其和变压器各参数之关系。

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Applying the Phase Recurrence Algorithm to Decide Connection Group of Three-phase Transformer

用相位递推法确定三相变压器的联接组

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Analysis of Magnetic Inrush Current of Three-phase Transformer and the Differential Protection Scheme

三相变压器励磁涌流及保护方案

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Research on Single to Three-Phase Transformer and Its Control Law

单&三相变压器及其控制规律的研究

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Principle of Measuring 12 Kinds of Linking Group of Three-phase transformer

三相变压器12种联接组的测定原理

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From the perspective of the single-phase transformer, this paper analyzes that the transient saturation of transformer core is the fundamental cause of magnetizing inrush, and then the generation and characteristics of the three-phase transformer s magnetizing inrush are expounded.

从单相变压器入手，分析了变压器铁芯的暂态饱和是引起励磁涌流的根本原因，继而对三相变压器励磁涌流的产生和特点进行了阐述。

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