Ultra-high voltage transmission line will be the main frame of power network in China.

交流特高压输电线路是我国未来统一电网的骨架。

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For ultra high-voltage power line, along with the heightening of the power line tower the probability of OPGW suffering from lightning strike becomes augmented.

在特高压系统中，随着电力杆塔的增高，OPGW受雷击的概率将增大。

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This paper Presents a switching power supply unit specially designed for microprocessor based ultra-high-voltage transmission line Protection systems.

本文介绍用于超高压线路微机成套保护装置的专门电源。

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This paper Presents a switching power supply unit specially designed for microprocessor based ultra-high-voltage transmission line Protection systems.

本文介绍用于超高压线路微机成套保护装置的专门电源。

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