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Title: Electrical cable utilization for wave energy converters

Here, this paper investigates the suitability of sizing the electrical export cable based on the rating of the contributing WECs within a farm. These investigations have produced a new methodology to evaluate the probabilities associated with peak power values on an annual basis. It has been shown that the peaks in pneumatic power production will follow an exponential probability function for a linear model. A methodology to combine all the individual probability functions into an annual view has been demonstrated on pneumatic power production by a Backward Bent Duct Buoy (BBDB). These investigations have also resulted in a highly simplified and perfunctory model of installed cable cost as a function of voltage and conductor cross-section. This work solidifies the need to determine electrical export cable rating based on expected energy delivery as opposed to device rating as small decreases in energy delivery can result in cost savings.
Authors:
ORCiD logo [1] ;  [2] ;  [3]
  1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Strategic Futures & Policy Analysis Dept.
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Military and Energy Systems Analysis
  3. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Energy Storage Technology and Systems
Publication Date:
Report Number(s):
SAND-2018-4773J
Journal ID: ISSN 2198-6444; 662795
Grant/Contract Number:
AC04-94AL85000
Type:
Accepted Manuscript
Journal Name:
Journal of Ocean Engineering and Marine Energy
Additional Journal Information:
Journal Volume: 4; Journal Issue: 2; Journal ID: ISSN 2198-6444
Research Org:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind and Water Technologies Office (EE-4W)
Country of Publication:
United States
Language:
English
Subject:
16 TIDAL AND WAVE POWER; Wave energy; Offshore cable; Stochastic; Statistical peak power; BBDB
OSTI Identifier:
1441459

Bull, Diana, Baca, Michael, and Schenkman, Benjamin. Electrical cable utilization for wave energy converters. United States: N. p., Web. doi:10.1007/s40722-017-0102-x.
Bull, Diana, Baca, Michael, & Schenkman, Benjamin. Electrical cable utilization for wave energy converters. United States. doi:10.1007/s40722-017-0102-x.
Bull, Diana, Baca, Michael, and Schenkman, Benjamin. 2018. "Electrical cable utilization for wave energy converters". United States. doi:10.1007/s40722-017-0102-x.
@article{osti_1441459,
title = {Electrical cable utilization for wave energy converters},
author = {Bull, Diana and Baca, Michael and Schenkman, Benjamin},
abstractNote = {Here, this paper investigates the suitability of sizing the electrical export cable based on the rating of the contributing WECs within a farm. These investigations have produced a new methodology to evaluate the probabilities associated with peak power values on an annual basis. It has been shown that the peaks in pneumatic power production will follow an exponential probability function for a linear model. A methodology to combine all the individual probability functions into an annual view has been demonstrated on pneumatic power production by a Backward Bent Duct Buoy (BBDB). These investigations have also resulted in a highly simplified and perfunctory model of installed cable cost as a function of voltage and conductor cross-section. This work solidifies the need to determine electrical export cable rating based on expected energy delivery as opposed to device rating as small decreases in energy delivery can result in cost savings.},
doi = {10.1007/s40722-017-0102-x},
journal = {Journal of Ocean Engineering and Marine Energy},
number = 2,
volume = 4,
place = {United States},
year = {2018},
month = {4}
}