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Title: Smart Novel Semi-Active Tuned Mass Damper for Fixed-Bottom and Floating Offshore Wind (Paper)

Abstract

The intention of this paper is to present the results of a novel smart semi-active tuned mass damper (SA-TMD), which mitigates unwanted loads for both fixed-bottom and floating offshore wind systems. The paper will focus on the most challenging water depths for both fixed-bottom and floating systems. A close to 38m Monopile and 55m Tension Leg Platform (TLP) will be considered. A technical development and trade-off analysis will be presented comparing the new system with existing passive non-linear TMD (N-TMD) technology and semi-active. TheSATMD works passively and activates itself with low power source under unwanted dynamic loading in less than 60msec. It is composed of both variable stiffness and damping elements coupled to a central pendulum mass. The analysis has been done numerically in both FAST(NREL) and Orcaflex (Orcina), and integrated in the Wind Turbine system employing CAD/CAE. The results of this work will pave the way for experimental testing to complete the technology qualification process. The load reductions under extreme and fatigue cases reach up significant levels at tower base, consequently reducing LCOE for fixed-bottom to floating wind solutions. The nacelle acceleration is reduced substantially under severe random wind and sea states, reducing the risks of failure of electromechanicalmore » components and blades at the rotor nacelle assembly. The SA-TMD system isa new technology that has not been applied previously in wind solutions. Structural damping devices aim to increase offshore wind turbine system robustness and reliability, which eases multiple substructures installations and global stability.« less

Authors:
 [1];  [2];  [3];  [2];  [2];  [2];  [3]
  1. Alstom Renewable US LLC (GE Subsidiary)
  2. University of Massachusetts
  3. Glosten Associates
Publication Date:
Research Org.:
Alstom Renewable US LLC (GE Subsidiary), aka - Alsom Power Inc
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind and Water Technologies Office (EE-4W)
Contributing Org.:
GE Renewable Energy
OSTI Identifier:
1254153
Report Number(s):
DOE-Alstom-0005494
DOE Contract Number:  
EE0005494
Resource Type:
Conference
Resource Relation:
Conference: OTC 2016 May 2-5 Conference, Houston Texas NRG Park
Country of Publication:
United States
Language:
English
Subject:
17 WIND ENERGY; Tuned Mass Damper; structural damping devices; Tension Leg Platform; fixed bottom; floating systems; semi-active; load reduction; fatigue; nacelle acceleration; TMD; TLP; LCOE

Citation Formats

Rodriguez Tsouroukdissian, Arturo, Lackner, Mathew, Cross-Whiter, John, Park, Se Myung, Pourazarm, Pariya, La Cava, William, and Lee, Sungho. Smart Novel Semi-Active Tuned Mass Damper for Fixed-Bottom and Floating Offshore Wind (Paper). United States: N. p., 2016. Web.
Rodriguez Tsouroukdissian, Arturo, Lackner, Mathew, Cross-Whiter, John, Park, Se Myung, Pourazarm, Pariya, La Cava, William, & Lee, Sungho. Smart Novel Semi-Active Tuned Mass Damper for Fixed-Bottom and Floating Offshore Wind (Paper). United States.
Rodriguez Tsouroukdissian, Arturo, Lackner, Mathew, Cross-Whiter, John, Park, Se Myung, Pourazarm, Pariya, La Cava, William, and Lee, Sungho. Mon . "Smart Novel Semi-Active Tuned Mass Damper for Fixed-Bottom and Floating Offshore Wind (Paper)". United States. https://www.osti.gov/servlets/purl/1254153.
@article{osti_1254153,
title = {Smart Novel Semi-Active Tuned Mass Damper for Fixed-Bottom and Floating Offshore Wind (Paper)},
author = {Rodriguez Tsouroukdissian, Arturo and Lackner, Mathew and Cross-Whiter, John and Park, Se Myung and Pourazarm, Pariya and La Cava, William and Lee, Sungho},
abstractNote = {The intention of this paper is to present the results of a novel smart semi-active tuned mass damper (SA-TMD), which mitigates unwanted loads for both fixed-bottom and floating offshore wind systems. The paper will focus on the most challenging water depths for both fixed-bottom and floating systems. A close to 38m Monopile and 55m Tension Leg Platform (TLP) will be considered. A technical development and trade-off analysis will be presented comparing the new system with existing passive non-linear TMD (N-TMD) technology and semi-active. TheSATMD works passively and activates itself with low power source under unwanted dynamic loading in less than 60msec. It is composed of both variable stiffness and damping elements coupled to a central pendulum mass. The analysis has been done numerically in both FAST(NREL) and Orcaflex (Orcina), and integrated in the Wind Turbine system employing CAD/CAE. The results of this work will pave the way for experimental testing to complete the technology qualification process. The load reductions under extreme and fatigue cases reach up significant levels at tower base, consequently reducing LCOE for fixed-bottom to floating wind solutions. The nacelle acceleration is reduced substantially under severe random wind and sea states, reducing the risks of failure of electromechanical components and blades at the rotor nacelle assembly. The SA-TMD system isa new technology that has not been applied previously in wind solutions. Structural damping devices aim to increase offshore wind turbine system robustness and reliability, which eases multiple substructures installations and global stability.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {5}
}

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