Sökning: "Lina Bertling Tjernberg"

Hittade 2 avhandlingar innehållade orden Lina Bertling Tjernberg.

  1. 1. On the establishment of effective condition-based maintenance for oil-filled electrical transformers to reduce failures due to copper corrosion problems and its role toward sustainable energy

    Författare :Ramsey Jadim; Mirka Kans; Lina Bertling Tjernberg; Linnéuniversitetet; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; CBM; CM procedures; corrosion problems; transformer oil analysis; corrosive sulfur; transformer failures; sustainable maintenance; sustainable energy supply; Maskinteknik; Mechanical Engineering;

    Sammanfattning : Oil-filled electrical transformers are critical equipment for modern societies where a sustainable energy supply is required. Recently, many severe fire and explosion accidents of transformers have been reported due to copper corrosion problems in the form of copper sulfide deposits on the windings. LÄS MER

  3. 2. From Condition Monitoring to Maintenance Management in Electric Power System Generation with focus on Wind Turbines

    Författare :Peyman Mazidi; Miguel Ángel Sanz Bobi; Lina Bertling Tjernberg; Javier García González; KTH; []
    Nyckelord :Anomaly Detection; Condition Monitoring; Maintenance Management; Performance Evaluation; Data Analytics; Mathematical Modeling; Optimization; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : With increase in the number of sensors installed on sub-assemblies of industrial components, the amount of data collected is rapidly increasing. These data hold information in the areas of operation of the system and evolution of health condition of the components. LÄS MER