double busbar voltage switch circuit 双母线电压切换回路
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。
Because the circuit needs current overload protect, a double loop strategy , with current feedback of filter inductance as inner loop and output voltage as outer loop, is studied.
根据需要电路电流过流保护的特点，重点介绍了滤波电感电流反馈做内环，输出电压做外环的双环控制策略。
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。
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