Routine shunt reactor fixed on the EHV transmission system can not guarantee the transmission capability and steady state voltage of system under different operation modes.
常规并联电抗器固定接入超高压输电系统,不能保证各种运行方式下系统输送能力和母线的稳态电压。
Modern EHV arresters must be capable of discharging these high-energy switching surges.
现代超高压避雷器必须能在这些高能量的操作过电压下放电。
This paper presents a new method for finding the trouble location of EHV transmission lines.
提出了一种电力系统超高压输电线路故障定位的新方法。
In this paper, a new type of phase selection element used for EHV power system is studied and suggested.
本文研究提出了一种适用于超高压电力系统的新型选相元件。
The paper analyses some characteristics of transient computation on EHV long distance transmission line.
本文分析了超高压远距离输电线路电磁暂态计算的一些特点。
This paper studies closing overvoltage on unloaded line in EHV power system by means of digital computer.
本文利用数字计算机研究了超高压电力系统的空载长线合闸过电压。
By reason of its high reliability, the resonant-type fault current limiter is suitable for EHV power network.
谐振型限流器具有高可靠性等优点,适用于超高压电网。
Optimization of corona ring design for EHV composite insulator using finite element and neural network method.
基于有限元和神经网络方法对超高压合成绝缘子均压环结构优化的研究。
Lightning shielding failure is the main factor to threat the safety and reliability of EHV transmission lines.
雷电绕击是危及超高压输电线路安全稳定运行的主要原因。
The paper presents a new model and algorithm for the calculation of electromagnetic transients on EHV-AC power systems.
本文论述了计算超高压电力系统电磁暂态过程的新模型和算法。
The paper presents a novel fast filtering algorithm, which can be applied to relay protection of EHV and UHV power system.
提出了一种可应用于超高压和特高压系统的保护快速算法。
In traditional EHV line routing design, unsophisticated surveying methods and aging maps are the main sources of design error.
在传统的超高压输电线路设计选线中,较落后的测量方式手段和年代久远的地图是导致设计误差的重要原因。
The tower of the extra high voltage (EHV) transmission line is heavy, tall, and it has longer cross arm and complex structure.
特高压线路的铁塔重量大、铁塔高、横担长、结构复杂。
The paper describes the basic switching impulse test results of phase-to-phase insulation in EHV substations and overhead lines.
本文叙述超高压变电所和架空线路中相间绝缘操作冲击试验的基本结果。
The problems in debugging of RCS-931 are also discussed, as well as some special problems of the longitudinal protection for EHV lines .
对RCS-931的调试遇到的问题谈了认识,并对特高压线路纵联保护中出现的特殊问题进行了探讨。
This paper describes a method for calculating the voltage distribution in EHV transformer windings during switching impulse withstand test.
本文阐述了一个计算超高压变压器在操作波耐压试验条件下线圈中电压分布的方法。
Intelligent EHV electric sprayer is my company from the advanced experience and technology to develop a new generation of high-tech products.
智能化超高压电动喷雾器是我公司借鉴国内外先进的经验和技术,开发的新一代高科技产品。
Comparing to lower voltage power transmission, EHV power transmission has more advantages and its application is the necessary tendency in China.
特高压输电与较低电压输电相比有许多优点,我国采用特高压输电是必然的趋势。
The working principle, structural features and on-the-spot operation of the forklift-truck type EHV automatic cleaner operation under live line con…
介绍为防止变电设备污闪事故而研制的叉车型超高压自动带电清扫装置的原理、结构与特点及现场使用情况。
This paper is mainly for discussing briefly the problems that should be considered in design and application of OPGW used in EHV power transmission line.
本文简要论述OPGW在超高电压线路上设计和运用时,应考虑的问题。
The step up transformers for Three Gorges project are EHV extra large transformers. Their reliability will affect the economic benefits of the project directly.
三峡电站升压变压器属于超高压特大型变压器,它的安全可靠性直接影响三峡电站的经济效益。
Oilpaper capacity type wall bushing is used for insulation and fixed HV or EHV conductor that crosses the wallboard of building in power plant and substation mainly.
油纸电容式穿墙套管主要用于发电厂、变电站中引导高压或超高压导线穿过建筑物的墙板,作为导电载流和高压对地墙板的绝缘及机械固定用。
A rapid method for detection and identification of equine herpesvirus 1 (EHV-1) and equine herpesvirus 4 (EHV-4) was developed using polymerase chain reaction (PCR).
聚合酶链反应(PCR)可作为一种快速检测并鉴别马疱疹病毒1型(EHV 1)和马疱疹病毒4型(EHV 4)的诊断方法。
Pointing to the characters of the EHV transmission lines the paper discusses about rational values of the longitudinal unbalanced tensions for the suspension towers and poles.
文章针对特高压输电线路的特点,对直线杆塔纵向不平衡张力合理取值进行了探讨。
This paper introduced the research, trial production, testing and application of jumper device of prefabricating aluminum pipe for multi-circuit strain tower in EHV transmission line.
介绍了超高压输电线路多回路耐张塔用预制式铝管跳线装置的研究、试制、试验及应用。
The frequent problems in operation of the longitudinal protection for EHV lines are presented, and relevant solutions are analyzed based on the RCS-931 longitudinal protection device.
介绍超高压线路纵联保护在实际系统运行中常出现的问题,结合RCS- 931纵联保护装置问题的解决方法进行了分析和讨论。
The computer program, which can be used to calculate the power-frequency electric field under EHV transmission, is programmed in the Matlab language with the charge equivalent method.
采用等效电荷法利用Matlab语言编制了超高压输电线路下工频电场的计算程序。
Aiming at early stage latent faults of EHV large capacity transformers, a new fault diagnosis method based on mathematical morphology combined with multiple neural networks is presented.
针对超高压、大容量电力变压器的早期潜伏性故障,提出了一种基于数学形态学融合多神经网络的故障诊断新方法。
In this article, the action characteristic of phase current-differential criterion in EHV system and the effect of capacitance current compensation have been analyzed using EMTP simulation result.
利用EMTP仿真结果分析了这相电流差动判据在超高压系统中的动作特性和电容电流补偿的效果。
HV and EHV transmission lines are equipped with split-phase breaker. If a longer reclosing time is setting in a heavy load line, the system may swing after the trip without fault of remote breaker.
高压、超高压输电线路的开关为分相开关,当对侧开关单相偷跳后,在线路负荷比较重、同时重合闸动作时间比较长的情况下可能引发系统振荡。
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