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1)  EHV transmission line
超高压线路
1.
Along with the power system development such as power transmitted form west china toeast china, power grid interlink project,ultra high voltage transmission, large numbersof EHV transmission line has been commissioned in china.
随着电力系统西电东送、全国联网、特高压输电等工程的建设,大量的超高压线路在电网中运行。
2.
Longitudinal differential protection of optical fiber,which is of many merits, has beenused more and more widely in EHV transmission line protection.
光纤纵联差动保护具有许多突出的优点,因而越来越多地用于超高压线路
2)  EHV power line
超高压线路
1.
By means of eigenanalysis,the currents of any phases in EHV power lines,which are un-transposed and loop connected,can be precisely calculated.
超高压线路因换位困难而用不换位的架线方式,由此引起的线路参数不平衡造成各相电流不平衡。
3)  EHV line
超高压线路
1.
Fault locating based on fault voltage sequence components for T -type connection EHV lines;
基于故障电压序分量的超高压线路T接测距新算法
2.
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。
4)  EHV transmission lines
超高压输电线路
1.
Reaserch on phase criterion for single pole adaptive reclosure of EHV transmission lines;
超高压输电线路单相自适应重合闸相位判据的研究
2.
The voltage characteristics of the fault phase in the shunt reactor and the neutral point reactor are analyzed for the EHV transmission lines with shunt reactors.
针对带并联电抗器的超高压输电线路,研究了故障后线路断开相并联电抗器与中性点小电抗上的电压特性,发现在永久性故障时,无论是金属性接地还是经过渡电阻接地,断开相并联电抗器上电压与中性点小电抗上电压的比值总是大于瞬时性故障时两者的电压比值。
3.
A new optimization technique is developed based on the Charge Simulation Method(CSM) for precise research of the power frequency electric field generated by the EHV transmission lines under the condition of complex landscapes.
为精确研究超高压输电线路穿越较复杂地区时的工频电场,基于模拟电荷法引入最优化方法,建立了相应的二维电场计算模型和计算公式。
5)  EHV supply line
超高压供电线路
6)  EHV transmission line
超高压输电线路
1.
A new transient protection algorithm based on wavelet transform for EHV transmission lines;
基于小波变换的超高压输电线路暂态保护新原理
2.
Study on guyed-strain tower adopted by Eskom in South Africa on EHV transmission lines;
南非Eskom电力公司在超高压输电线路上采用拉线式杆塔的研究
3.
Single-phase adaptive reclose of EHV transmission line based on shunt reactor current identification
基于并联电抗器电流判别的超高压输电线路单相自适应重合闸
补充资料:超高压

  
  超高压
  

  一般指高于一万大气压的压强。在超高压下,物质的物理化学性质发生显著变化。利用超高压和高温可使物质结构改变,或者合成自然界尚未发现过的物质,如固体氮和性质极硬的氮化硼等。
  
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