Identifying causes of electrical discharge in high-voltage transmission lines

September 12, 2025ScilightOpen Access

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Key Points

Earlier streamer discharges occur with more tightly packed raindrops in high-voltage DC transmission lines, enhancing understanding of discharge phenomena.
Simulations indicate that the physical arrangement of raindrops significantly drives the timing of electrical discharges under high voltage.
These findings emphasize the relationship between environmental conditions and electrical discharge events in transmission systems.
Understanding discharge causes can facilitate improved design and operation of electric transmission infrastructure.

Particle simulations reveal tighter raindrop packing leads to earlier electrical discharges in transmission lines.

Particle simulations reveal more raindrops, packed more tightly together, lead to earlier streamer discharges in high-voltage DC transmission lines.

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A. Thompson (2025) studied this question.

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