- Report
- Solar and Wind
Analysis of Vacuum Breaker Generated Transients in a 36kV Wind Farm Cable Grid
Measurements in Stor-Rotliden’s wind farm where transformer failures occurred
are planned in the project. In comparison with the previous work in this field, the
focus here is on the design of grounding systems (GS), especially their HF
characteristics.
Component models derived in a previous Vindforsk project are improved and the
results are generalized so that they can be applied to components of different sizes.
Analysis of different GS is performed and the importance of different factors that
influence generation and propagation of transient overvoltages is determined.
Later it is analyzed how the transients influence connected components, and what
protection is needed.
Publications and reports
Here you will find reports and fact sheets from the program.
- Report
System and Integration Costs 2021-801
In this report, we have studied the possibilities and challenges of estimating total system costs for a future power system and also the definition and estimation of integration costs.
|2021:801Lennart Söder
- Report
Bayesian Methods for Preventive Maintenance
The context of this research is about the simple idea of assessing the optimal time for preventive maintenance based on available information to us from SCADA data of wind turbines. The approach is quantitative, measurable and repeatable. As a result, the contexts of these results belong in reliability and safety engineering and preventive maintenance of wind turbines.
|2018:484Bahri Uzunoğlu
- Report
Analysis of Vacuum Breaker Generated Transients in a 36kV Wind Farm Cable Grid
In this project it is investigated how the high frequency transients (HF) in a cable grid influence connected equipment. Both generation and propagation as well as protection is studied.
|2018:502Tarik Abdulahovic- Report
Wind Power In Forests II
Sweden has good conditions for wind power. However, most of Sweden (ca. 70%) is covered by forest. Forests decrease wind speeds and create turbulence, something which is not favourable for wind power.
|2018:499Matthias Mohr, Johan Arnqvist, Hamidreza Abedi, Henrik Alfredsson, Magnus Baltscheffsky, Hans Bergström, Ingemar Carlen, Lars Davidson, Antonio Segalini och Stefan Söderberg