Test and Failure Judgment in the Operation of On-Load Tap Changer of Transformer

变压器有载分 接 开关运行中的测试和故障判断

Power system is essentially a nonlinear dynamic system generator and its excitation system on load tap changer reactive power compensation device and so on all have a great impact on it .

电力系统本质上是一个非线性动态系统，电力网络中的发电机及其励磁系统、有载 调 压 变压器、无功补偿装置等都对 电压 稳定有着极大的影响。

Introduction of Converter Transformer Tap Changer Control in Zhaoqing Converter Station

肇庆换流站换流变 分 接头控制原理介绍

Analysis on Oil Leakage Reason of On-Load - Tap Changer

有载分 接 开关渗漏油的原因分析及 处理

Influence of Variation of Transformation Ratio of on-load Tap Changer on Voltage of Power System

有载调压 变压器 变比变化对电力系统电压的影响

On load tap changer Assembly equipment and assembly method differs as span weight and installation height of girder .

带负载 抽头 变换 装置钢梁的跨度、量和安装高度不同， 适合的吊装机械和吊装方法亦随之而异。

Influence of the abnormal DC voltage fluctuation on transformer tap changer control

高压直流线路电压异常波动对分 接 开关控制的影响

Therefore choose positive and negative voltage regulating scheme as main circuit wiring scheme of on-load tap changer .

因此最终选择了正反调压方案作为有载分 接 开关的主电路接线方案。

On load tap changer

带负载 抽头 变换 装置

In the calculation following factors such as the active and reactive power restraints the change of taps of transformers fitted with on-load tap changer ( OLTC ) and static voltage characteristics of the loads were considered .

计算中考虑了发电机有功功率和无功功率限制、带负荷 调压 变压器 分接头的变化和负荷电压静特性等因素。

Effect of On - Loaded Tap Changer and Shunted Capacitor Compensation on System Voltage and Reactive Power Balance

变压器 抽头和无功补偿对系统无功电压的影响

As one of the indispensable electrical equipments the performance and quality of tap changer directly affect the safe operation of transformer .

分 接 开关作为变压器不可缺少的关键电气设备之一，它的性能和质量好坏，直接影响到 变压器的安全运行。

Representative Malfunction Analyses And Treatment Of Transformer On Load Tap Changer

变压器有载 分 接 开关典型故障分析与处理

Analysis and Calculation of Deviation Voltage Applied on Change-over Selector of On - Load Tap Changer

作用在有载 分 接 开关转换选择器上的偏移电压分析与计算

Transformer with tap changer

带有 抽头 变换 器的变压器

On-load tap changer ( OLTC ) is also utilized as a main method to control the voltage .

有载调压 器（ OLTC）作为常用的调压手段，也已在电力系统中得到普及。

Tap changer servomotor single-phase induction voltage regulator

调 压 开关伺服电动机单相感应电压调节器

In this paper the principle and method for the test on switching figure of on-load tap changer ( OLTC ) are introduced . On the basis of analyzing the problems in field the methods for estimating the condition of OLTC are presented .

介绍了有载分 接 开关切换波形测试的意义、原理和方法，指出现场测试经常遇到的问题并分析了其原因，提出了根据现场所测波形判断有载分接开关能否正确切换的方法。

If regulating equipment is needed it may be desirable to provide it in the transformer by using load tap changer ( LTC ) equipment .

若需要调节设备，可要求在变压器中采用有载 分 接 开关（LTC）设备。

On-load tap changer ( OLTC ) is considered to be one of the important factors that results in voltage collapse .

有载 调压 变压器被认为是造成电压崩溃的重要因素之一。

This thesis carries out studies aiming at the impact of load characteristics and on load tap changer on voltage stability .

本文针对负荷特性和有载 调 压 变压器对电力系统静态电压稳定性的影响展开研究。

Fault Analysis on 330 kV Main Transformer On-load Tap Changer by Test Technique for Oil Products

通过油品检测分析 330kV主变有载调压 开关故障的原因

Analyzing the Reasons of Transition Resistance Wire Fused in On-load Tap Changer of On-load Regulating Transformer

有载调压变压器有载分 接 开关过渡电阻引线烧断原因简析

On load tap changer Voltage stability Dynamic analysis ;

有载 调 压 变压器；电压稳定性；动态分析；

Compared with the result of traditional nine-area control this integrative control strategy can increase the service life of tap changer without reducing the efficiency of voltage and reactive power control .

与传统的九区图控制相比较，这种综合控制策略能提高 变压器 分 接头使用寿命而不降低电压无功的控制效果。

A second-order nonlinear model is established by adding the voltage of the dummy nodes in the on-load tap changer transformer model to express the power and voltage relations .

在有载可 调 变压器模型中引入虚拟节点，并通过该节点的电压来表示 理想 变压器对功率、电压的 转换关系， 由此在直角坐标系中建立了无功优化问题的二阶新模型。

This model with the objective of minimal daily energy loss not only includes time-separated equality and inequality constraints but also includes time-related inequality constraints such as action number constraints of transformers with on-load tap changer and switchable shunt capacitor banks .

该模型以全天能量损耗最小为目标，其约束条件不仅包括了各个时间断面的等式和不等式约束，而且还包括了有载调压变压器 分 接头和可投切并联电容器组的动作次数约束。

Two practical methods are introduced to renovate the power transformer with no-load tap changer into that with on-load one .

介绍了改造电网大型无载调压 变压器为有载调压变压器的两种常用方式。