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Safety-level DCS Response Time Testing for Unit 3 of Xudabao Nuclear Power Plant Successfully Completed

Recently, with the final test data confirmed to be accurate, the safety-level DCS (Digital Control System) response time testing for Unit 3 of Xudabao Nuclear Power Plant was successfully completed. All test results met the requirements, with no abnormal equipment actions throughout the entire process, providing reliable instrumentation and control assurance for the subsequent fuel loading and stable operation of the unit. The test lasted 14 days and covered 182 test cases, encompassing more than 1,500 functional tests for reactor trip and engineered safety features systems. As a critical step before fuel loading, the safety-level DCS response time test holds significant reference value for verifying the response performance of the unit's safety systems. To ensure the successful completion of the test, the instrumentation and control team adhered to the work philosophy of "comprehensive preparation, strong collaboration, experience feedback, and pragmatic execution," advancing all tasks in an orderly manner.

2026-08-27

The Workshop on Engineering Application of Domesticated Safety-Class DCS in Nuclear Power Projects Successfully Held

From August 20 to 21, the Workshop on Engineering Application of Domesticated Safety-Class DCS in Nuclear Power Projects, led by SNPAS, was successfully held in Shanghai. Relevant leaders and experts from Beijing Guangli Nuclear System Engineering Co., Ltd., China Nuclear Control System Engineering Co., Ltd., and Nuclear Power Institute of China attended the meeting, with a representative from the Ministry of Ecology and Environment's North China Regional Office of Nuclear and Radiation Safety Supervision dispatched to provide guidance. The meeting focused on discussions regarding the engineering qualification of domesticated safety-class DCS and the verification of their application in nuclear power engineering. Based on their practical experience, each participating organization presented their current implementation status, challenges encountered, and proposed measures. During the discussions, all parties exchanged views on quality consistency assurance measures, engineering qualification prototype representativeness, equipment qualification test items, and platform application verification, reaching multiple consensuses.

2026-08-25