An equivalent two source phase domain method for calculating interline fault in the double circuit line is presented.
基于二端口网络理论,采用等值双端电源相分量法进行跨线短路故障计算。
An exact mathematical model for the calculation of electrical quantities of single-tower double circuit transmission system is proposed in this paper.
本文提出了计算并架双回路输电系统电量的精确数学模型。
This paper analyses selectors of transverse differential current direction protection using two types polarizing voltage for double circuit lines on the same tower.
对两种极化电压下的横联差动电流方向保护的选择元件在同杆并架双回线故障下的动作行为进行了研究。
The paper analyzes the characteristics and economic indexes of ultrahigh voltage double circuit lines installed on same tower and compares with single circuit lines.
分析同塔双回路超高压输电线路的技术特性和经济指标,并与单回路作比较。
Based on the method of six sequence fault component, this paper analyses the performance of zero sequence directional relay on double circuit line on the same pole (DLSP).
文中用六序分量法分析了同杆双回线上零序功率方向继电器的性能。
This paper analyses the rule of variations measuring impedance of distance relay when phase to phase fault occurs between two lines on double circuit line on the same pole (DLSP).
从理论上分析了同杆并架双回线跨线不接地故障时距离继电器测量阻抗的变化规律。
This paper presents a fault detective method of Double Circuit lines using neural network.
本文介绍了一种应用神经网络进行同杆并架双回线故障诊断的方法。
Double circuit transmission line is widely adopted in China owing to the demand of large-capacity power transmission.
由于大容量输电的需要,双回线路在国内广泛采用。
A new method for calculating secondary arc current and recovery voltage on double-circuit transmission lines by twice-model transformation was proposed.
提出了利用二次模变换计算同杆双回输电线路潜供电流与恢复电压稳态值的方法。
For a practical project, ideas of scheming the relay protection for double-circuit lines on the same tower and choosing the telecommunication channel are analysed.
结合某工程实例,剖析同杆双回线路保护配置和保护远传信号通道选择的思路。
In this thesis, we use an on-line measurement method to study the parameters measurement for the double-circuit transmission lines which is based on the transmission line Equation.
本文应用以传输线方程为基础的在线测量法对同杆并架双回路输电线路的工频参数在线测量方法进行研究和探讨。
Strict theoretical deduction shows that adaptive current fast - tripping protection can be used not only on single - circuit line, but also on double - circuit line.
通过严格的理论推导,论证了自适应电流速断保护不仅适用于单回线运行方式,同样适用于双回线或环网运行方式。
The trip ratio of the double-circuit line on the same tower is very high. So the study on lightning prevention should be enhanced and corresponding calculation method should be put forward.
同塔双回线路跳闸率很高,应尽快加强防雷研究,提出相应的计算方法。
The paper analyzes the character of the fault between two same lines on double-circuit transmission line and the influence on line relay.
以同名相跨线接地故障为例,分析同杆并架带弱馈线路的特征及其对继电保护的影响;
Although fault component current phase selector has excellent performance for single transmission lines, it may select unwanted phase for cross-country faults in double-circuit lines on a same tower.
相电流差突变量选相元件在单回线故障中具有良好的选相性能,但在同杆双回线跨线故障中可能误选相。
Although fault component current phase selector has excellent performance for single transmission lines, it may select unwanted phase for cross-country faults in double-circuit lines on a same tower.
相电流差突变量选相元件在单回线故障中具有良好的选相性能,但在同杆双回线跨线故障中可能误选相。
应用推荐