Hyundai Electric builds Korea’s largest eco-friendly transformer

HD Hyundai Electric said Thursday it has completed final approval testing for a 400-kilovolt, 460-megavolt-ampere eco-friendly transformer, the largest of its kind ever built in Korea by capacity. The transformer, set to be supplied to a substation operated by Britain’s National Grid, uses synthetic ester insulating oil instead of conventional mineral oil, reducing fire risk and environmental impact in case of leakage. Synthetic ester oil is naturally biodegradable and has a much higher ignition

By The Korea Herald