Grounding state of Overhead Line Tower in transmission grids has an important significance for security and steady operation of power system.
输电线路杆塔接地状况对电力系统的安全稳定运行具有重要意义。
The overhead line of HVDC power transmission system needs positive and negative leads only, allowing for high power, low loss and long distance power transmission;
高压直流输电系统架空线路只需正负两 极导线，可实现大功率、低损耗、长远距离电力的直接输送；
The overhead line of HVDC power transmission system needs positive and negative leads only, allowing for high power, low loss and long distance power transmission;
高压直流输电系统架空线路只需正负两 极导线，可实现大功率、低损耗、长远距离电力的直接输送；
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