高压输电线

• At present ， all the existing fault location methods for hv transmission lines can be classified into two main types : travelling waves location and fault analytical location
  目前高压输电线路故障测距方法主要分为两类：行波法和故障分析法。
• When faults occur in the transmission line , locating the fault accurately and timely is propitious to eliminate the fault and restore power supply
  高压输电线路发生故障时，及时准确地测量出故障位置有利于快速排除故障、恢复供电，对电力系统安全可靠运行有重要意义。
• In this article , a new design scheme of the fault locator for hv transmission lines is presented , which can realize both travelling waves location and fault analytical location
  本文设计了一套高压输电线路新型故障测距装置，同时为行波法和故障分析法的实现提供了硬件支持。
• With the accomplishment of high voltage network and connection between the grids , the faults of high voltage transmission line threaten the power systems " security and stability seriously
  随着超高压电力系统的构成，大电网之间的互联，高压输电线路的故障对电力系统的安全运行构成严重威胁。
• Secondly the present fault location on hv transmission network has been commented on . tree fault location methods based on the power frequency fault data of two - terminal are proposed
  本文其次对现有高压输电线路故障定位方法进行了综合评述，在此基础上提出了三种基于双端数据的工频故障测距算法。
• With the rapid development of the power cause , the voltage degree of the power transmission increases continually , the extra - high voltage ( ehv ) and ultra - high voltage ( uhv ) transmission lines appear in succession
  随着电力事业的快速发展，输电电压的等级不断提高，相继出现超高压和特高压输电线路。
• State grid corp , china ' s largest power transmission company , said the national development and reform commission has approved its proposal for a 5 , 000 - kilometer 500 kv electrical transmission line on the sino - russia border
  国家电网公司称，国家发改委业已批准该公司在中俄边境地区铺设一条5 , 000公里长500千瓦高压输电线。
• Especially , some reports showed that elf - emf such as those from electric power transmission and distribution lines have been associated with increased risk of childhood leukemia , cancer of the nervous system , and lymphomas
  特别是有研究报道，由高压输电线等产生的工频电磁场可增加儿童白血病，神经系统肿瘤及淋巴瘤发病的危险率。
• As the important part of relay protection devices , the high - voltage transmission line auto - reclosing function acts as the crucial role in ensuring system safety , stability and economical running
  高压输电线路自动重合闸功能作为电力系统继电保护装置保护功能的重要组成部分,它在保证系统安全、稳定和经济运行等方面起着非常重要的作用。
• With the development of computer communication technology and the wide application of microcomputer - based protection devices with electric power system , it is possible to locate high - voltage transmission line faults precisely
  随着计算机通信技术的发展和微机保护装置在电力系统中的广泛应用，实现高压输电线路故障的准确定位已经成为可能。