en.Wedoany.com Reported - Recently, Daya Bay Nuclear Power successfully deployed and put into field application a digital vibration monitoring and diagnosis system (DDS) adapted for domestic servers. This is the first domestically adapted system successfully implemented within China General Nuclear Power Group (CGN), marking a new era of intelligent vibration monitoring at Daya Bay Nuclear Power.

Vibration measurement of rotating equipment in nuclear power plants is a crucial means of assessing equipment health. It is akin to a blood test during an annual physical examination—through sampling, it can promptly detect potential "lesions" in the equipment, providing a basis for targeted maintenance activities. The equipment supporting vibration measurement functions like a blood analysis instrument; the advancement of its detection capabilities determines the accuracy and efficiency of the "test" results.

At Daya Bay Nuclear Power Plant, the original vibration measurement system had been in service for over 30 years, with an average of more than 6,000 vibration measurements per year. To strengthen the safety foundation, the project team proactively planned, led by the Technical Department and assisted by the Science, Technology, and Information Management Department. Leveraging cross-departmental collaboration, after more than a year of effort, they successfully completed the deployment of the DDS vibration monitoring system adapted for domestic servers, achieving good results in field application.

Process Optimization: Multi-Dimensional Integration, Accurate Prediction

The new system integrates multi-dimensional parameter monitoring functions, including vibration amplitude, FFT spectrum, temperature, and rotational speed. It can accurately predict early equipment anomalies, streamline manual inspection steps, optimize vibration control modes, and promote standardized and refined vibration monitoring, comprehensively enhancing vibration monitoring capabilities.

Collection Efficiency Leap: One-Time Collection, Efficient Completion

The old system required five separate steps to collect multi-dimensional data such as velocity, acceleration, displacement, and spectrum. The new system can complete this efficiently in a single pass. Work efficiency has been significantly improved, driving the transformation of vibration management towards digital and intelligent operations.

Autonomous Control Breakthrough: Domestic Substitution, Full-Chain Security

The new system adopts a domestic database and modular architecture, adapted for a domestic environment, achieving full-chain autonomous control of software and hardware. This completely resolves the pain points and difficulties of the old system. Both system stability and user experience have been greatly enhanced.

Currently, this technology has been fully applied to Units 1 and 2 of Daya Bay Nuclear Power Plant. It will subsequently be fully implemented at Ling'ao Nuclear Power Plant, ensuring a stable transition of vibration management for daily operations and overhauls at Daya Bay Nuclear Power.

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