The paper analyzes the characteristics and economic indexes of ultrahigh voltagedouble 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。
2
This dissertation mainly research solar power generation, using the measure of current pre-estimative arithmetic and voltagedouble-loop control to improve the wave of output current and voltage ;