1) four jointed parallel lines on the same tower
同杆4回线
1.
According to the many types of single line faults and cross-line faults of four jointed parallel lines on the same tower, twelve sequence components separated each other can be obtained by the step matrix transform to the twelve phase voltage and current of four jointed parallel lines on the same tower, so as to decouple the mutual effect.
分别针对同杆4回线的多种单回线故障和跨线故障,将4回线上的12相电压和电流采用分步的矩阵变换消除线间互感和相间互感,得到12序互相独立的序分量。
2) common tower quadruple circuits
同塔4回线
1.
Based on the multiple-terminal network theory,this paper presents a method for electric parameters calculation and transient simulation analysis when a complicated fault occurs in common tower quadruple circuits.
基于多端口网络理论,提出了同塔4回线发生复杂故障时电气量的计算和暂态仿真分析方法。
3) double circuit lines on the same tower
同杆双回线
1.
Realization of the interrelated protection on quasi-three-phase running of double circuit lines on the same tower for the 3/2 circuit breaker connection
3/2接线方式同杆双回线路准三相运行相关保护的实现
2.
This paper introduces the principle of transverse differential current direction protection ,which takes positive sequence voltage as its polarizing voltage, and during the simulation experiment of 500 kV double circuit lines on the same tower system ,how does this protection behave.
介绍了以正序电压作为极化电压的横联差动电流方向保护的原理及其在500kV同杆双回线系统中的仿真实验情况。
3.
The adaptive reclosure of double circuit lines on the same tower and its field test technology are introduced.
介绍了同杆双回线自适应重合闸及其现场测试技术,提出了多种试验方法,分析和解决了试验中发现的问题。
4) double-circuit lines on the same pole
同杆双回线
1.
Travelling wave characteristics of circumfluence component of double-circuit lines on the same pole;
同杆双回线环流量的行波特点
2.
Transverse differential current direction protection is a special protection for double-circuit lines on the same pole.
从双回线路横差保护的基本动作原理出发,结合动作判据,探讨了大电流接地系统同杆双回线横差保护在各种情况下闭锁的原因,并提出了一些闭锁措施,为保护的正确动作提供了理论依据。
3.
Most of the double-circuit lines on the same pole are not transposed continuously,which may cause inter-line coupling.
同杆并架双回线两回路间存在耦合,基于解耦变换,推导了行波差动保护应用于同杆双回线的差流表达式,详细分析了区内简单故障与跨线故障时两回路的各相差流特征,研究表明,同杆双回线中区内金属性故障时,由于波速不一致,在健全相引起的不平衡差流较相同长度的单回线更严重,为此提出了相应的措施,给出了行波差动保护在同杆双回线路中的实用方案。
5) parallel transmission line
同杆双回线
1.
Adaptive fault location algorithm for parallel transmission lines based on online calculated parameters;
基于在线参数计算的同杆双回线的自适应故障测距
2.
Six-sequence component method is used to analyze the single fault for the parallel transmission lines of the same tower.
采用六序分量法分析同杆双回线故障中的非跨线故障,并依照故障时故障点的电气量特征列出方程,进行非跨线故障测距。
3.
Based on the analysis of fault feature of teed circuit of parallel transmission lines, a new fault line selecting method is proposed.
针对T型线路中出现同杆双回线的线路结构,提出了判定故障分支的新方法。
6) double-circuit transmission lines
同杆双回线
1.
Based on differential network, an accurate fault location algorithm for the situation between two lines of double-circuit transmission lines on the same tower is described, where post-fault voltages and currents derived from one terminal are employed in the location and the shunt capacitance is considered.
针对线间存在互感的高压同杆双回线有发生跨线故障的可能,同时不能忽略分布电容对测距结果的影响,基于分布参数模型,利用相序变换后双回线反序网络与系统参数无关的特性,提出了一种使用单端工频电气量进行跨线故障定位的算法。
2.
Secondary arc extinction at double-circuit transmission lines using high speed grounding switches;
由于同杆双回线间较强的耦合作用,造成潜供电弧不易自熄,影响了单相自动重合闸的成功率,必须采取措施熄灭潜供电弧。
补充资料：挑线杆行程
挑线杆行程 take－up lever stroke
挑线杆上的穿线孔在运动一个周期中的两个极限之间的距离。
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