High phase order power transmission is an important method to increase the power density transmitted.
多相输电是提高输送功率密度的重要方法。
With the traffic situation changed, the method makes the phase order, the ratio of green signal and the cycle adaptively change.
本方法实现了相位顺序、绿信比、周期均随着交通条件的变化而自适应变化。
Four-phase overhead transmission lines have special advantages in high phase order transmission lines, because of the good symmetry and the simple structure of its lines and poles.
四相架空输电线路对称性好，线路及杆塔结构简单，在多相输电线路中具有独特的优势。
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