SEOUL, November 24 (AJP) - Korea Hydro & Nuclear Power (KHNP) said on Monday that the turbine generator at Shin Hanul Unit 1, a 1.4 million-kilowatt reactor, shut down automatically while the plant was ramping up output.
At around 6:11 p.m., Sunday, the company reported that an “exciter” device had failed, cutting off the supply of current to the generator’s electromagnet — a component crucial for power generation. The exciter shutdown forced the turbine to stop, even though the reactor continued operating.
The plant is currently running at about 50 percent capacity, KHNP said. Officials at the headquarters have launched an investigation into the cause of the exciter failure and are preparing remedial measures.
Shin Hanul Unit 1 recently came back online on Nov. 21 after a scheduled maintenance period that began on Aug. 25. The reactor had experienced a similar turbine shutdown in August of the previous year.
A KHNP spokesperson emphasized that, while the issue caused a shutdown of the turbine, it did not directly implicate safety-critical systems, and steps are being taken to prevent recurrence.
* This article, published by Aju Business Daily, was translated by AI and edited by AJP.
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