Countries in transition, such as Bosnia and Herzegovina, are often treated as insufficiently safe for wind energy projects. The most common reason for such an approach is the lack of necessary laws, clear procedures and regulations related to the sector of renewable energy sources. Regarding the risk of building wind power plants, the main difference between Bosnia and Herzegovina and the EU countries is manifested in the risks related to administrative affairs (laws, by-laws, procedures, tariffs and the model for encouraging renewable energy sources and property-legal issues). This affects the overall risks and the time required for the implementation of preparatory works. In addition to activities aimed at reducing the frequency of failures and increasing the availability of the wind farm, the development of new maintenance methods should be based on monitoring the condition of critical components (condition based maintenance and reliability based maintenance). The expected contribution will be in reducing the number of failures and unplanned repairs, more efficient planning of maintenance activities during low winds, while reducing the total downtime of the wind farm system. Within the scope of the work, a description of individual risks by phases of the life cycle of the wind power plant is given, as well as a review of the application of international and national standards in the design and location selection of wind power plants for Bosnia and Herzegovina. A special review is given to the phase of removal or change of use of the wind power plant at the end of its useful life (problems of recycling wind turbine blades). The availability of the wind power plant during its working life was considered, as well as the analysis of the most frequent failures of individual wind turbine components, as well as the way to overcome them in the future.

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Preliminary Assessment of the Risk and Availability of Exploitation of Wind Power Plants

  • Zdravko Milovanović,
  • Dejan Branković,
  • Valentina Janičić Milovanović

摘要

Countries in transition, such as Bosnia and Herzegovina, are often treated as insufficiently safe for wind energy projects. The most common reason for such an approach is the lack of necessary laws, clear procedures and regulations related to the sector of renewable energy sources. Regarding the risk of building wind power plants, the main difference between Bosnia and Herzegovina and the EU countries is manifested in the risks related to administrative affairs (laws, by-laws, procedures, tariffs and the model for encouraging renewable energy sources and property-legal issues). This affects the overall risks and the time required for the implementation of preparatory works. In addition to activities aimed at reducing the frequency of failures and increasing the availability of the wind farm, the development of new maintenance methods should be based on monitoring the condition of critical components (condition based maintenance and reliability based maintenance). The expected contribution will be in reducing the number of failures and unplanned repairs, more efficient planning of maintenance activities during low winds, while reducing the total downtime of the wind farm system. Within the scope of the work, a description of individual risks by phases of the life cycle of the wind power plant is given, as well as a review of the application of international and national standards in the design and location selection of wind power plants for Bosnia and Herzegovina. A special review is given to the phase of removal or change of use of the wind power plant at the end of its useful life (problems of recycling wind turbine blades). The availability of the wind power plant during its working life was considered, as well as the analysis of the most frequent failures of individual wind turbine components, as well as the way to overcome them in the future.