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；
2
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。
3
To solve the problem that the pulsed xenon lamp has the inconsistent intensity, the instrument USES a double-circuit with synchronous parallel triggered structure.