Practical wave and tidal device reliability

Practical wave and tidal device reliability

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This chapter summarises the knowledge available on the failure rates of engineering sub-assemblies used in MECs. It demonstrates that there is a great deal of reliability information already available, some of it from a renewable energy environment similar to that into which MECs will be deployed.

Chapter Contents:

  • 5.1 Introduction and reliability data collection
  • 5.2 Typical root causes and failure modes
  • 5.2.1 General
  • 5.2.2 Root causes
  • 5.2.3 Failure modes
  • 5.3 Current reliability knowledge
  • 5.3.1 Reliability analysis and industrial reliability data for sub-assemblies
  • Wind industry databases: WMEP, LWK and Windstats
  • Oil and gas industry database: OREDA
  • Generic reliability databases
  • Portfolio of surrogate data (PSD) and useful references
  • 5.3.2 Major sub-assemblies
  • Electrical machines
  • Gearboxes
  • Power converters
  • Electrical, cable and connector systems
  • Hydraulics and ancillary systems
  • Structures, anchors and ancillary systems
  • 5.4 Summary

Inspec keywords: power generation reliability; power convertors; tidal power stations; wave power plants

Other keywords: marine energy converters; tidal device reliability; renewable energy environment; MECs; reliability information; engineering subassembly; failure rates; wave device reliability

Subjects: Tidal power stations and plants; Power convertors and power supplies to apparatus; Wave power; Reliability

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