The paper analyzes the characteristics and economic indexes of ultrahigh voltagedoublecircuit 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。
2
A novel composite circuit power supply with doublevoltage and full-wave rectification for CO2 lasers are developed.
本文介绍一种利用倍压和全波整流复合的新型电路所研制的CO_2激光器电源。
3
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.