1) EHV supply line
超高压供电线路
2) 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。
3) 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
4) extra high voltage transmission line
超高压输电线路
1.
Situation analysis of middle level management and counterm easure in extra high voltage transmission line construction;
超高压输电线路工程建设的中层管理现状分析及对策
2.
Studies on protection of extra high voltage transmission line based on discrete long line equation and power balance;
基于离散化长线方程的超高压输电线路功率平衡法保护研究
5) EHV cable line
超高压电缆线路
1.
A new method for accurate fault location is introduced, which uses fault record data from both terminals of the EHV cable line.
提出了一种利用超高压电缆两端的故障录波数据进行故障测距的新方法,该方法比较充分地考虑了超高压电缆线路分布电容大的特点,利用递推法在算法上模拟实际线路的电压、电流分布,以提高定位精度。
6) UHV transmission line
超高压输电线路
1.
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。
2.
Three phase current unbalance commonly exists in UHV transmission lines.
超高压输电线路中都存在不同程度的三相电流不平衡现象,作者通过对秦山第二核电厂 500kV 出线的三相电流不平衡现象进行综合测试和定性分析,提出电网元件不对称和线路潮流的变化是产生三相电流不平衡的主要原因,并提出了相应的对策;认为从电网安全的角度来讲,目前秦二厂出线的三相电流不平衡不会对电网及核电厂的安全运行造成影响。
3.
This paper presents a novel accurate fault location algorithm for UHV transmission line.
提出了一种新颖的超高压输电线路故障双端测距精确算法。
补充资料：高压深入供电方式
城网中66kV及以上电压的电源送电线路及变电所深入市中心高负荷密度区布置，就近供应电能的方式。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条