Daya Bay Nuclear Released Level 0 Event

According to reports, on February 1st, Daya Bay Nuclear Power Management Co., Ltd. was informed that on January 30, the company voluntarily disclosed a zero-level incident on Unit 3 of Lingao Nuclear Power Station through the website. The company stated that it will continue to do so in the future. Good disclosure of nuclear power information.

On January 30, the Daya Bay Nuclear Power Operation and Management Company announced on its website that on January 29th, the company’s affiliated Ling Ao Nuclear Power Plant No. 3 unit was in normal operation in the second fuel cycle, and the instrument and control personnel discovered the unit’s super power. The temperature difference protection setting still uses the data of the first cycle and has not been modified in time according to the program requirements. After the technicians of the power station confirmed the data, they immediately corrected it according to the correct data. The incident did not affect the safe operation of Unit 3 at Lingao Nuclear Power Plant and did not cause any radioactive consequences. According to the international nuclear event classification, this event was identified as a 0-level operational event (with no safety impact). According to the IAEA's nuclear event grading standards, nuclear incidents are divided into 7 levels, of which the four levels of impacts at the factory, impacts outside the plant, impact on defense in depth, and instances are all “from a safety perspective”. degree.

According to the regulations of the Ministry of Environmental Protection and the National Nuclear Safety Administration, nuclear and radiation safety information for nuclear power plants has been promptly and effectively disclosed to the media and the public, corporate social responsibilities have been fulfilled, the transparency of nuclear power plants to the public has been improved, and the public’s protection of nuclear power and nuclear power plants has been guaranteed. With regard to the right to information security, to reduce public concerns about nuclear safety, in September last year, Daya Bay Nuclear Power Operational Management Co., Ltd. formulated and promulgated the nuclear power and radiation safety information report and disclosure system for nuclear power plants. In December last year, it launched the “Nuclear and Radiation Safety”. Information Disclosure Platform." At any time, the public can inquire about the unit operation data of Daya Bay Nuclear Power Station through the Internet.