oltc

Non-inrush Voltage Regulating Method for OLTC Transformer Based on Power Electronic Technology

基于电力电子技术有载调压变压器的无冲击调压方法

It is discussed that the adjusting effect of OLTC to the voltage of primary and secondary side is in close relation to the load type .

研究了有载调压变压器分接头的调节作用对变压器一、二次侧电压的影响与恒阻抗负荷、恒电流负荷、恒功率负荷以及电动机负荷等不同的负荷类型的关系。

Model and switching stability analysis of hybrid power systems with OLTC

具有OLTC的混杂电力系统模型与切换稳定分析

On the influence of load and OLTC to voltage stability index

负荷特性和有载变压器对电压静稳指标的影响

Feasibility Study Using Vibration Measurement to On-line Detect the Contact Condition of OLTC

振动法在线检测电力变压器有载调压开关触头状况的可行性研究

Research on Measurement Method of Transformer OLTC Deviation Voltage

变压器有载分接开关偏移电压测量方法的研究

The effect of OLTC on the voltage stability is analyzed through time domain simulation .

采用时域仿真法分析了有载调压变压器（OLTC）对电压稳定的动态影响。

The control principle of the OLTC under several given operation mode and load characteristics was presented .

在本文的第二部分中，针对几种典型的系统运行方式和负荷特性讨论了与电压稳定问题有关的OLTC的运行与控制原则。

Based on this , the influence of OLTC on static voltage stability is analyzed in this paper .

基于此，本文针对OLTC对静态电压稳定性的影响进行分析。

The proposals for measurement of OLTC recovery voltage in transformer test and operation are made .

建议变压器例行试验和运行变压器应增加有载分接开关偏移电压测量项目。

Investigation on the Detection of Overheating in OLTC by Sensing Acoustic Noise

噪声传感检测有载调压分接开关内的局部过热

The reverse action of OLTC may emerge before or after the instability of load .

OLTC的负调压作用可能在负荷失稳之前发生，也可能在负荷失稳之后发生。

Improvement on Properties to Withstand Lightning Impulse for Transformer with Uniform Insulation and OLTC

全绝缘有载调压变压器雷电冲击性能的改进

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。

Using multiple Lyapunov functions analysis , the switching stability of hybrid power system with OLTC is analyzed when discrete event actions occur .

提出了分析混杂电力系统切换稳定的多Lyapunov函数方法，并运用多Lyapunov函数分析了混杂电力系统切换的稳定性。针对一个实例进行仿真分析，给出了多Lyapunov函数法分析的仿真结果。

In view of the voltage instability caused by the increasing air conditioner load , an OLTC emergency control principle is given .

针对空调负荷增长引起的电压失稳问题，给出了相应的OLTC紧急控制原则。

In this method the Jacobi Matrix have the factor of OLTC 's rate , so using it to analyze voltage stability is better .

在这种算法中，其雅可比矩阵包含了OLTC变比的相关信息，因此用其进行系统电压稳定的静态分析更能反映系统的真实状况。

Researches on contact burning failure were done and a feature analysis method based on wavelet packet energy entropy of OLTC was proposed in this paper .

本文主要针对分接开关的触头烧损故障进行分析研究，提出了一种基于小波包能量熵的变压器有载分接开关触头烧损故障特征分析方法。

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。

For constant power loads , the successive regulating effect of OLTC will be more complicated if different trends of power transfer limit are considered .

对于恒功率特性负荷，当考虑了负荷最大功率的不同变化趋势后，OLTC的连续调压效应将更加复杂，不仅具有连续的正、负调压效应，还存在着混合调压效应。

Analysis on Parallel Connection Operation of Transformers with OLTC , the Tap of which are Miss-match Each Other

带荷自动抽头变换开关有载调压抽头不匹配的变压器并联运行分析

The measure of reactive power regulation mainly includes changing OLTC transformer taps , shunt capacitors susceptance and generator voltages .

无功优化主要考虑在负荷给定的情况下，变压器分接头位置、无功补偿的最佳容量和发电机机端电压大小的优化确定。

The characteristics of voltage control of substation are mostly discrete event dynamic behaviors , such as OLTC regulation , capacitor banks switching and load shedding .

变电站电压控制的特点大都是基于离散事件控制动态行为的，如：有载调压变压器分接头调节、并联电容器的投切和低压减载等。

Application of Switching Mutual Repulsive Thyristors in OLTC Method of Switching Mutual Repulsive Thyristors Switch in the Tap Changing Process of On-load Transformer

互斥晶闸管组通断控制方法在OLTC中的应用

A method of using programmable timed Petri nets to establish switched hybrid power system model is presented . Interactions between discrete change of OLTC and continuous load dynamics are analyzed .

提出了利用规划计时Petri网方法来建立混杂电力系统的模型，分析了OLTC的离散调节与连续动态负荷的相互作用。

By use of more precise exponential load model , the effect of on-load tap-changing transformer ( OLTC ) on optimal power flow ( OPF ) is analyzed .

采用指数负荷模型研究了有载调压变压器对系统最优潮流的影响。

Firstly , this article studies the influence of OLTC transformer ratio change on static voltage stability by using the ternary analytical method of voltage U , power P and load impedance angle φ .

本文首先采用含有有功功率P、电压U和负荷阻抗角φ的三元分析法研究OLTC变比变化对静态电压稳定性的影响。

It establishes the model with reactive power and voltage parameters based on the combination control of the compensator capacitor banks and the OLTC main transformer furnished in large-scale electric substation to test the fuzzy control system .

在推导出大型变电站的二次母线装设可投切的补偿电容器组和有载调压的主变压器相配合进行联合控制的模型基础上，提出了一种模糊控制方法。

This paper proposes a method of programmable timed Petri nets ( PTPN ) for hybrid power systems modelling , and analyzes the interactions between discrete change of OLTC and continuous load dynamics .

提出了利用可编程赋时Petri网（PTPN）建立混杂电力系统模型的方法，分析了有载调压变压器（OLTC）的离散调节与连续动态负荷的相互作用。

The current adjustment modes of OLTC ( On-Load Tap-Changer ) ar e either mechanical or power electronic , which usually has complicated structure , big size , slow regulative speed and high failure rate .

国内外现有的机械式和电力电子式有载调压变压器分接头的调节方式，具有结构复杂、体积大、调节速度慢、故障率高等不足。