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- A novel UHV transmission line protection system based on digital signal processor (DSP) is introduced. 介绍了一种基于DSP的新型超高压输电线路微机保护方案。
- The adaptive recloser and its application are introduced for EHV or UHV transmission lines. 介绍自适应重合闸的工作原理及在超高压、特高压输电系统的应用。
- The approach given in the paper has practical value in the relay protection of UHV transmission line. 所提出的方法对建立超高压输电线路高速继电保护具有重要意义。
- Abstract： The basic structure of a new integrative fault location system for UHV transmission lines is presented. 摘 要： 介绍了新型超高压输电线路故障定位系统的基本结构，阐述了该系统的数据信息处理主要功能和实现技术。
- Temporary overvoltage is an important factor for the determination of insulation level in a long distance EHV or UHV transmission system. 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.
- Many simulation studies of the protection on EHV and UHV transmission lines500kV and 750kV show the correctness and advantage of the new principle. 通过大量仿真试验证明了此新原理在500KV和750KV的特高压输电线路上都具有良好的性能。
- It can be proved by theoretical analysis that the new criterion can basically meet the need of protections of HV and UHV transmission line. 新的判据可以基本满足超高压长输电线路的要求,是一种比较理想的比相判据。
- In 2010,the construction scale of 1000kV AC UHV transmission lines will be 4200km,the transmission capacity will be 39 million kVA. 计划到2010年，1000千伏交流特高压输电线路建设规模达4200千米、变电容量达3900万千伏安。
- The research results provide very important reference and basis for the safe operation of UHV transmission lines in the goaf area of coal mine. 研究结果为我国煤矿采空区基础变形特高压输电线路的安全运行提供参考依据。
- Abstract: Shielding failure is the main cause of lightning flash-over of EHV transmission lines and UHV transmission lines. 摘 要: 绕击是超高压、特高压输电线路雷击跳闸的主要原因，山区绕击跳闸率计算相对平原更为复杂。
- China has put UHV transmission technology in the important field of science &technology development and focus it on priority themes. 我国已将特高压输电技术列入科学和技术发展重点领域及优先主题。
- UHV transmission technology used to enhance the scope of power the ability to optimize the allocation of resources has become imperative. 采用特高压输电技术，提高范围内电力资源优化配置的能力已成为当务之急。
- Because most UHV transmission lines locate in mountain areas,lightning disaster is the prime cause for transmission line failures. 特高压输电线路大部分地处山区,雷害占据了输电线路故障的首要位置。
- To take into consideration the influence of UHV conductor voltage on the lightning protection coverage design of UHV transmission lines, a new method wa... 目前,在特高压线路的避雷线保护范围设计中,仍采用这种传统的设计方法。
- Zhang Wenliang,Wu Weining,Hu Yi.Research on UHV transmission technology and development of power network in China[J].High Voltage Engineering,2003,29(9):16-18(in Chinese). [3]张文亮;吴维宁;胡毅.;特高压输电技术的研究与我国电网的发展[J]
- EHV and UHV transmission can have important advantages such as a very high power capability for each right-of-way and a reduction in the number of transmission lines required. 以尽可能高的电压来输电以节省导线材料看似很可取，然而，必需意识到高电压传输会导致变压器，开关设备和其它仪器花费的增加，因此，对于电压传输有一定的限制，这使得它能够在具体情况下经济使用。
- Weilie Xiajin, Wu Weihan.The analysis of lightning protection for EHV and UHV transmission line in Russia[J].High Voltage Engineering, 1998, 24(2): 76-79. [4]维列夏金;吴维韩.;俄罗斯超高压和特高压输电线路防雷运行经验分析[J]
- So a novel principle of phase segregated current phase differential protection for UHV transmission lines based on Bergeron model is proposed for the first time in this paper. 针对传统相位差动纵联保护反应各种故障的灵敏度不同的缺点以及特高压输电线路的分布电容较大等特点,提出了基于贝瑞隆模型实现特高压输电线路分相相位差动纵联保护的新原理。
- Based on the study about the influence of the distributed capacitance current of UHV transmission line on differential current protection, a novel accurate compensation method of capacitance current is proposed. 针对超高压输电线路分布电容电流对差动保护的影响,提出了一种电容电流的精确补偿方法。
- Single-phase earth faults are in the majority of all faults occurred in EHV and UHV transmission lines, the research on accurate fault location of single-phase earth fault is significant. 高压输电线路故障以单相接地短路为主，针对此类故障开展高精度的故障定位研究具有重要意义。
