工频过电压

本文对阳城&江苏500kV输电系统的工频过电压、潜供电流以及三相合闸、单相重合闸过电压利用EMTP进行了计算。分析表明，该系统工频过电压符合有关规定；

The computation of power frequency overvoltage , secondary arc current , 3 phase closing overvoltage and single phase reclosing overvoltage in Yangcheng Jiangsu 500 kV power transmission system by EMTP is presented in this paper .

讨论了空载线路在电容效应下产生的工频过电压，并对并联电抗器抑制工频过电压的作用进行了理论分析。

The power frequency overvoltage of unloaded line because of the capacity effect is studied , and the effect of eliminating power frequency overvoltage using shunt reactors is analyzed .

SVC对限制超高压输电系统工频过电压的影响

Effect of SVC on restricting the temporary overvoltage of EHV transmission system

500kV同塔四回线路工频过电压研究

Power frequency over-voltage of 500 kV four-circuit lines on the same power

750kV输电系统的工频过电压计算

Calculation on Working Frequency Over-voltage for 750 kV Transmission System

1000kV长距离交流输电线路工频过电压仿真研究

Study on simulation of fundamental frequency overvoltages for UHV AC transmission lines

本文从影响配电网的三个因素：工频过电压、谐振过电压以及电压闪变入手，分析了现代配电网的运行状态。并提出用静止无功补偿器（SVC）抑制电压闪变的控制策略。

So this paper analyzed the running state by taking account of power over-voltage , resonance over-voltage and voltage flash , and propounded the strategy that voltage flash were controlled by using Static var compensator ( SVC ) .

笔者分析计算了SVC对提高系统输送能力和限制工频过电压的影响，讨论了超高压输电系统中部分应用SVC可以保证各种运行方式下的运行可靠性和经济性。

The effect of SVC on improving transmission capability and limiting temporary overvoltage is analyzed by calculation in this paper . An idea of employing SVC partly in the EHV system is discussed to ensure reliability and economy under different operation modes .

为了研究工频过电压与系统运行方式的关系，应用二端口理论，具体分析了它们的联系，并对一个真实的500kV输电系统，计算了不同运行方式下的工频过电压。

In order to investigate the relationship between power frequency over-voltage and operation mode of electric power system , theoretical analysis is made in this paper . Then , aiming at a practical 500 kV power system , a series of calculations are performed with various operation modes .

计算了各种采用光缆复合架空地线情况下线路的工频过电压。

The power-frequency overvoltage is calculated in various conditions with OPGW .

良导体地线限制超高压输电系统工频过电压的作用

Effect of ACSR on Suppressing Power Frequency Overvoltage of EHV Transmission System

系统的运行方式与工频过电压

Operation mode of electric power system and power frequency over-voltage

基于PSCAD/EMTDC软件的空载线路工频过电压分析

Analysis of power frequency over-voltage for unloaded lines by using PSCAD / EMTDC

计及非线性元件特性的工频过电压计算方法

A method of temporary overvoltage calculation with the characteristics of non-linear elements taken into account

氧化锌压敏电阻器工频过电压耐受性能与限制电压关系的研究

Research for the Relationship between Power Frequency Over-voltage Withstanding Performance and Clamping Voltage of ZnO Varistor

确定超高压远距离输变电系统绝缘水平时，工频过电压起着重要的作用。

Temporary overvoltage is an important factor for the determination of insulation level in a long distance EHV or UHV transmission system .

给出了系统参数选择的依据，研究了工频过电压在不同条件下的限制方式。

It also gives out the criteria for selection of system parameters and studies the limit mode of over-voltage of working frequency under different conditions .

对有补偿和无补偿的超高压输电线路在工频过电压、操作过电压方面进行了对比性研究。

Comparative analysis of series compensated and non series compensated EHV transmission line in power frequency over-voltage and switching over-voltage is destriked in this paper .

静止无功补偿器电容元件上工频过电压分析

Mathematical Analysis on the Behavior of the Capacitors in a Given Static Volt-Ampere Reactive Compensator ( SVARC ) When Over-Voltage at Working Frequency is Applied to Them

通过比较不同型号良导体地线的波阻抗，分析了零序阻抗对不对称接地工频过电压的影响。

The influence of zero-sequence impedance on power-frequency overvoltage of asymmetric eathing fault is researched though comparing surge impedance of different types of ACSR as ground-return wires .

研究和计算都表明，工频过电压幅值很大程度上决定于系统的运行方式，若系统运行方式不同，过电压可能会有很大差异。

The results show that power frequency over-voltage does have relationships with the operation mode to a great extent , and different operation modes may cause distinct values of over-voltage .

短距离特高压输电线路的过电压问题已有研究，而当传输距离进一步增加时，工频过电压情况更为严重，抑制方法更为复杂。

The overvoltage of short-distance transmission line has already been studied . With the transmission distance increasing , the fundamental frequency overvoltage becomes more severely and the retraining methods more complicated .

大气过电压保护目前已形成了多种方式和多级结构，本文讨论多种保护方案的具体设计和实现，重点研究工频过电压的防护问题。

Various and multi - stage atmospheric overvoltage protection solutions are available , and the specific design and implementation of multiple protection solutions are discussed , especially the issue of industrial frequency overvoltage protection .

算法模块包括了黑启动路径方案的初始生成、自励磁的校验、工频过电压、操作过电压、电压和频率的稳定性等计算，以及路径评估和排序模块。

Algorithm module includes an initial program of black start path generation , self-excitation of the parity , power frequency overvoltage , operation overvoltage , voltage and frequency stability calculations , and the path evaluation and sorting .

可控高压并联电抗器（以下简称可控高抗）对于限制工频过电压和操作过电压、抑制潜供电流、进行线路容性无功功率补偿和电压控制，增强电网稳定性和提高输送能力具有重要意义。

The Controlled Parallel Reactor is important for restricting the frequency overvoltage , the operating overvoltage and the secondary arc current . It is also important for improving the voltage stability and the transmission capacity of power system .

并联电抗器可以补偿容性充电功率，抑制工频过电压，并可减小单相重合闸时线路的潜供电容电流，是超高压电力系统的重要电气设备。

A shunt reactor , which can compensate charging power , restrain the power frequency overvoltage , and decrease secondary arc capacitance current during single-phase reclosing in lines , is an important electrical equipment in Ultra High Voltage ( UHV ) power system .

电力系统是动态的，轻载运行情况下，线路的电压偏高，重载负荷运行情况下，电压偏低，如果用可控电抗器代替固定电抗器，则能兼顾工频过电压限制和无功功率的调节。

Power system is dynamic , light load operation conditions , the line voltage on the high side , heavy load operation conditions , low voltage controlled reactor , if use , can replace fixed reactor both industrial frequency overvoltage restrictions and reactive power regulation .

算法模块包括初始路径的形成、自励磁计算、工频过电压计算、操作过电压计算、稳定性计算等功能，可以实现对所有路径方案的校核计算、方案可行性的判别以及路径有效性的排序等。

Algorithm module includes the formation of initial path , self-excitation calculation , calculation of normal frequency overvoltage , operation overvoltage calculations and stability calculations and checking calculation of all paths , the feasibility judgment of the scheme , and ordering the paths according to their effectiveness .

特高压磁阀可控电抗器抑制工频暂态过电压的研究

Measures to Suppress Transient Overvoltage at Working Frequency Using UHV Magnetically Controlled Reactor

故可得出结论：在中性点绝缘系统中，因电磁式电压互感器饱和引起的过电压现象属于工频位移过电压。

Therefore , the over-voltage caused by the electromagnetic voltage transformer saturation in the system with insulated neutral belongs to shifting over-voltage .