Abnormal Opening of Generator Circuit Breaker at Hanul Unit 5 Leads to Manual Turbine Shutdown
Stable Maintenance at 50% Reactor Output
Korea Hydro & Nuclear Power's Hanul Nuclear Power Headquarters (Director Lee Seyong) announced, "At approximately 1:21 a.m. on October 15, the generator circuit breaker (GCB) at Hanul Unit 5 (1 million kW class) abnormally opened, resulting in a manual shutdown of the turbine."
The generator circuit breaker is a high-voltage breaker that connects the generator to the power grid.
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Hanul Unit 5 is currently being stably maintained at about 50% of reactor output, and the company plans to identify and address the detailed cause of the abnormal opening of the generator circuit breaker.
This content was produced with the assistance of AI translation services.
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