en.Wedoany.com Reported - On April 10, the Nuclear Safety and Security Commission (NSSC) of South Korea announced the completion of all required inspections for the first pre-criticality phase of Shin-Hanul Unit 3, which received its operating license last year.

Criticality refers to the state where the number of neutrons in a nuclear reactor reaches equilibrium, and the nuclear fission chain reaction becomes self-sustaining. Once a reactor achieves this state, it can operate under safe control. Since issuing the operating license last December, the NSSC has been conducting a five-stage pre-operational inspection process for Shin-Hanul Unit 3.

During the inspection, items required before achieving criticality were verified, including nuclear fuel loading checks and high-temperature functional tests, to confirm the reactor can safely reach criticality.

The NSSC stated that from the time Shin-Hanul Unit 3 achieves criticality until the start of commercial operation, it will verify the nuclear power plant's safety through subsequent inspections such as power ascension tests.

Furthermore, the commission announced that during the commissioning of Shin-Hanul Unit 3, it will continuously monitor the operation of safety equipment and strengthen the emergency response system to ensure immediate action in case of any accident or malfunction, just as in an operating nuclear power plant.

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