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Dynamic characterization and performance evaluation of a 10-kW power take-off with mechanical motion rectifier for wave energy conversion

Conference Paper

Title: Dynamic characterization and performance evaluation of a 10-kW power take-off with mechanical motion rectifier for wave energy conversion
Author:
Li, X.; Chen, C.; Chen, S.; Xiong, Q.; Huang, J.; Lambert, S.; Keller, J.; Parker, R.; Zuo, L.
Publication Date:
Event Name:
14th European Wave and Tidal Energy Conference (EWTEC 2021)
Event Location:
Plymouth, UK
Publisher:
14th European Wave and Tidal Energy Conference
Affiliation:
Virginia Polytechnic Institute and State University (Virginia Tech), National Renewable Energy Laboratory (NREL), University of Utah
Technology:
Wave
Collection Method:
Modeling
Engineering:
Hydrodynamics, Performance, Power Take Off
Language:
English

Document Access

Website:
External Link

Citation

Li, X.; Chen, C.; Chen, S.; Xiong, Q.; Huang, J.; Lambert, S.; Keller, J.; Parker, R.; Zuo, L. (2021). Dynamic characterization and performance evaluation of a 10-kW power take-off with mechanical motion rectifier for wave energy conversion. Paper presented at 14th European Wave and Tidal Energy Conference (EWTEC 2021), Plymouth, UK.
@conference{Li-2021-17641,
author = {Li, X and Chen, C and Chen, S and Xiong, Q and Huang, J and Lambert, S and Keller, J and Parker, R and Zuo, L},
title = {Dynamic characterization and performance evaluation of a 10-kW power take-off with mechanical motion rectifier for wave energy conversion},
year = {2021},
month = {sep},
series = {14th European Wave and Tidal Energy Conference (EWTEC 2021)},
address = {Plymouth, UK},
publisher = {14th European Wave and Tidal Energy Conference},
url = {https://submissions.ewtec.org/proc-ewtec/issue/view/14th-ewtec-2021},
keywords = {Wave, Modeling, Hydrodynamics, Performance, Power Take Off},
}
Export Citation to BibTex
TY - CONF
TI - Dynamic characterization and performance evaluation of a 10-kW power take-off with mechanical motion rectifier for wave energy conversion
AU - Li, X
AU - Chen, C
AU - Chen, S
AU - Xiong, Q
AU - Huang, J
AU - Lambert, S
AU - Keller, J
AU - Parker, R
AU - Zuo, L
T2 - 14th European Wave and Tidal Energy Conference (EWTEC 2021)
C1 - Plymouth, UK
AB - The power take-off (PTO) is a key component for wave energy converters (WECs). The dynamic properties of the PTO influence the response of the WEC and should be considered when designing the WEC and not oversimplified. In addition, the efficiency as well as the reliability can play an important role on whether the PTO can be suitable for real-world applications. In this paper, a novel compact PTO rated at 10 kW is designed and prototyped, and a comprehensive nonlinear dynamic model is established for the PTO. Through bench testing, the unknown parameters of the dynamic model are characterized and determined. Further verification shows that the model can predict the dynamic performance of the PTO well. In addition, the test results show that the mechanical motion rectifier PTO can achieve good energy transfer efficiency, especially for low-load and low-speed conditions.
DA - 2021/09//
PY - 2021
PB - 14th European Wave and Tidal Energy Conference
UR - https://submissions.ewtec.org/proc-ewtec/issue/view/14th-ewtec-2021
LA - English
KW - Wave
KW - Modeling
KW - Hydrodynamics
KW - Performance
KW - Power Take Off
ER -
Export Citation to RIS

Abstract

The  power  take-off  (PTO)  is  a  key  component for  wave energy  converters  (WECs). The  dynamic  properties of  the  PTO  influence  the  response  of  the  WEC  and  should be  considered  when  designing  the  WEC  and  not oversimplified.  In  addition,  the  efficiency  as  well  as  the reliability  can  play  an  important  role  on  whether  the  PTO can  be  suitable  for  real-world  applications.  In  this  paper,  a novel  compact  PTO  rated  at  10  kW  is  designed  and prototyped,  and  a  comprehensive nonlinear  dynamic  model is  established  for  the  PTO.  Through  bench  testing,  the unknown  parameters  of  the  dynamic  model  are characterized  and  determined.  Further  verification  shows that  the  model  can  predict  the  dynamic  performance  of  the PTO  well.  In  addition,  the  test  results  show  that  the mechanical  motion  rectifier  PTO  can  achieve  good  energy transfer  efficiency,  especially  for  low-load  and  low-speed conditions.