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Keywords: negative damping
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Proceedings Papers

Proc. ASME. OMAE2020, Volume 9: Ocean Renewable Energy, V009T09A062, August 3–7, 2020
Paper No: OMAE2020-18710
... followed the IEC and DNV standards, and we used NREL FAST in all simulations. floating offshore wind turbine upscaling negative damping steady-state analysis DEVELOPMENT OF A 10-MW SEMISUBMERSIBLE TYPE FLOATING OFFSHORE WIND TURBINE FOR THE EAST SEA, KOREA Hyeonjeong Ahn1, Hyunkyoung Shin2...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 9: Ocean Renewable Energy, V009T09A071, August 3–7, 2020
Paper No: OMAE2020-18954
...Abstract Abstract Floating Offshore Wind Turbines (FOWTs) are susceptible to an instability which has come to be called “negative damping”. Conventional land based wind turbine controllers when used with FOWTs may cause large amplitude platform pitch oscillations. Most controllers have since...