Abstract
Transmission lines often passed through forests. When the climate is hot and before and after the Tomb-sweeping Day every year, mountain fire accidents often occur, which affects the transmission lines. The most important impact is the tripping of the transmission lines, which seriously affects the safe operation of the power grid influences. This paper builds a test platform for the influence of smoke on the insulation of transmission lines, designs a smoke test plan, conducts an experimental study on the influence of smoke on the air insulation characteristics of transmission lines, and verifies the smoke concentration on single-phase, three-phase and inter-phase insulation through experiments. The influence of character-This article judges whether it has an influence on the insulation characteristics of transmission lines by observing the relative leakage current of smoke. The effect of smoke on the breakdown voltage was verified through experiments. Through comparative experiments at different temperatures, it was studied whether mountain fire smoke would affect the air insulation characteristics. Experimental studies have shown that pure smoke has little effect on the insulation characteristics of transmission lines.
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