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A Study on the AC Breakdown Characteristics of K6 Gas according to Moisture Concentration in a Quasi-uniform Field at Atmospheric Pressure

Regulation (EU) 2024/573 bans fluorinated gases in distribution switchgear rated 24kV and below from 2026. K6, a mixture of 10mol% PMVE (perfluoromethyl vinyl ether) in CO₂, is an early-stage SF6 replacement whose breakdown characteristics under varying field utilization factor a...