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Annual Report 2014
66
NOWITECH
Norwegian Research Centre for Offshore Wind Technology
Journal and Peer Review Papers
1.
Arvesen, A., et al. “Life cycle assessment of an offshore grid interconnecting wind farms and customers
across the North Sea.” The International Journal of Life Cycle Assessment.
2.
Bachynski, E., et al. “Wind-Wave Misalignment Effects on Floating Wind Turbines: Motions and Tower
Load Effects.” Journal of Offshore Mechanics and Arctic Engineering 136.
3.
Cox, K., et al. “Flexural Fatigue of Unbalanced Glass-Carbon Hybrid Composites.” Journal of Solar Energy
Engineering.
4.
Farahmand, H., et al. “The Impact of Active Power Losses on the Wind Energy Exploitation of the North
Sea.” Energy Procedia 53: 70-85.
5.
Gjerde, S., et al. “A modular series connected converter structure suitable for a high-voltage direct current
transformerless offshore wind turbine.” Wind Energy 17(12).
6.
Hofmann, M. and I. B. Sperstad. “Will 10 MW wind turbines bring down the operation and maintenance
cost of offshore wind farms?” Energy Procedia 53: 231-238.
7.
Kirkeby, H. and J. O. Tande. “The NOWITECH Reference wind farm.” Energy Procedia 53: 300-3012.
8.
Kolstad, M. L. “Integrating Offshore Wind Power and Multiple Oil and Gas Platforms to the Onshore Power
Grid using VSC-HVDC Technology.” Marine Technology Society Journal 48.
9.
Sætertrø, K.; Nygaard, T.A.; Gao, Z.; Thomassen, P.; “Offshore Code Comparison Collaboration Continuation
(OC4), Phase I—Results of Coupled Simulations of an Offshore Wind Turbine with Jacket Support
Structure.” Journal of Ocean and Wind Energy 1.
10. Krogstad, P. Å., et al. “Blind Test 3” calculations of the performance and wake development behind two
in-line and offset model wind turbines.” Journal of Fluids and Structures.
11. Lindau, S., et al. “A Method to Estimate the Necessary Twist Pitch in Multifilamentary Superconductors.”
Journal of Physics.
12. Magnusson, N., et al. “Hysteresis losses in MgB2 superconductors exposed to combinations of low AC and
high DC magnetic fields and transport currents.” Physica C.
13. Magnusson, N., et al. “Coupling currents and hysteresis losses in MgB2 superconductors.” Superconductor
Science and Technology.
14. Myhr, A., et al. “Levelised cost of energy for offshore floating wind turbines in a life cycle perspective.”
Renewable Energy.
15. Nejad, A. R., et al.”Fatigue Reliability-Based Inspection and Maintenance Planning of Gearbox Components
in Wind Turbine Drivetrains.” Energy Procedia.
16. Nejad, A. R., et al. “On long-term fatigue damage and reliability analysis of gears under wind loads in off-
shore wind turbine drivetrains.” International Journal of Fatigue 61: 116–128.
17. Nejad, A. R., et al. “A prognostic method for fault detection in wind turbine drivetrains.” Engineering Failure
Analysis 42: 324–336.
18. Nejad, A. R., et al. “Effects of floating sun gear in a wind turbine’s planetary gearbox with geometrical
imperfections.” Wind Energy.
19. Netland, Ø., et al. “Cost-benefit Evaluation of Remote Inspection of Offshore Wind Farms by Simulating the
Operation and Maintenance Phase.” Energy Procedia 53: 239-247.
20. Odgaard, P. F. and A. Nejad; “Frequency based Wind Turbine Gearbox Fault Detection applied to a 750 kW
Wind Turbine.”
21. Ong M, Bachynski, E.; Økland, O.D.; Passano, E.; “Dynamic Response of Jacket-Type Offshore Wind Turbine,
using Decoupled and Coupled Models.” Proceedings of the ASME 2014 33rd International Conference on
Ocean, Offshore and Arctic Engineering.
22. Paulsen, U. S., et al. “DeepWind-from Idea to 5 MW Concept.” Energy Procedia 53: 23-33.
23. Pierella, F., et al.”Blind Test 2 calculations for two in-line model wind turbines where the downstream
turbine operates at various rotational speeds.” Renewable Energy.
24. R. Barrera-Cardenas, M. Molinas; “Optimal Design of a Modular Power converter based on medium
frequency AC-Link for Offshore Wind turbines series or parallel connected.” Emerging and Selected Topics
in Power Electronics, IEEE Journal of.
Publications