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Advanced TidGen Power System Control and SCADA System

The TidGen Power System generates emission-free electricity from tidal currents and connects directly into existing grids using smart grid technology. The power system consists of three major subsystems: shore-side power electronics, mooring system, and turbine generator unit (TGU...

Marnagh, C. and McEntee, J. Ocean Renewable Power Company

Jun 14, 2018
2 Resources
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CalWave Open Water Demo Budget Period 1 Reports

The objective of the project is to advance the Technology Readiness Level (TRL) of the Wave Energy Converter (WEC) developed by CalWave Wave Power Technologies Inc (CalWave) through advanced numerical simulations, dynamic hardware tests, and ultimately a scaled open water demonstr...

Boerner, T. et al CalWave Power Technologies Inc.

Jun 03, 2019
8 Resources
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Advanced WEC Dynamics and Controls, Test 1

Numerous studies have shown that advanced control of a wave energy converter's (WEC's) power take off (PTO) can provide significant increases (on the order of 200-300%) in WEC energy absorption. Transitioning these control approaches from simplified paper studies to application in...

Coe, R. Sandia National Laboratories

Feb 26, 2016
3 Resources
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Model and experimental validation of ocean kite dynamics and controls

This submission includes two peer-reviewed papers from researchers at North Carolina State University presenting the modeling and lab-scale experimentation of the dynamics and control of a tethered tidal ocean kite. Below are the abstracts of each file included in the submission. ...

Vermillion, C. et al North Carolina State University

Mar 01, 2020
2 Resources
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TidGen MHK Generator Composite Fatigue Analysis Procedure

A procedure was described for performing a fatigue analysis of composite foils for an MHK generator. The steps included generating load data, S-N (Stress versus Number of cycles to failure) diagrams through fatigue testing, cycle counts, damage versus load, and cumulative damage. ...

Krumpe, A. ORPC Inc.

Apr 14, 2020
2 Resources
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Advanced TidGen Power System Composites Structural Testing

Seawater aging response was investigated in marine-grade glass/epoxy, glass/vinyl ester, carbon/epoxy and carbon/vinyl ester composites with respect to water uptake, interlaminar shear strength, flexural strength, tensile strength, and tensile fracture surface observations. The re...

Krumpe, A. ORPC Inc.

Jan 06, 2020
2 Resources
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Direct-Drive Electrical Generator and PTO System for Flap-type Wave Energy Converters

Project and generator specifications and initial prototype test data for flap-type wave energy converters (WEC)

Englebretson, S. ABB Inc.

Mar 20, 2015
2 Resources
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Wave Tank Testing Report for Controls Validation of a Heaving Point Absorber

The core objectives of this project is to improve the power capture of three different wave energy conversion (WEC) devices by more than 50% using an advanced control system and validate the attained improvements using wave tank and full scale testing. In parallel, we will bring a...

Previsic, M. et al Re Vision Consulting

Aug 26, 2020
3 Resources
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Focusing Wave Energy for Wave Energy Converter Applications

Wave tank tests at Stevens Institute of Technology quantified the ability of near-surface platforms to concentrate wave energy over the platform. Due to the instantaneous change in water depth, mass, energy, and power are conserved in this process. The energy and power concentrat...

Raftery, M. Stevens Institute of Technology

Aug 10, 2010
7 Resources
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Azura Advanced Controls 1/15th Scale Wave Tank Testing

Experimental data from the wave tank test of the Advanced control systems developed by Northwest Energy Innovations (NWEI) for the Azura at the University of Maine in Orono (UMO). Summary data is included utilizing the WEC Lab Testing Content Model v2.1. All raw and processed expe...

Ling, B. Northwest Energy Innovations

Feb 02, 2018
10 Resources
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ALFA Discrete Element Method (DEM) Simulations using PFC3D

Contains input scripts, background information, reduced data, and results associated with the discrete element method (DEM) simulations of interface shear tests, plate anchor pullout tests, and torpedo anchor installation and pullout tests, using the software PFC3D (v4.0).

Evans, M. Northwest National Marine Renewable Energy Center

Jan 05, 2016
3 Resources
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Wave Energy Prize 1/50th Testing WECCA Attenuator

This submission of data includes all the 1/50th scale testing data completed on the Wave Energy Prize for the WECCA team, and includes: 1/50th test data (raw & processed) 1/50th test data video and pictures 1/50th Test plans and testing documents SSTF_Submission (summarized re...

Scharmen, W. Ricardo Detroit Technical Center

Jan 15, 2016
6 Resources
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MASK3 for Advanced WEC Dynamics and Controls

This report outlines the "MASK3" wave tank test within the Advanced WEC Dynamics and Controls (AWDC) project. This test represents the final test in the AWDC project. The focus of the MASK3 test was to consider coordinated 3-degree-of-freedom (3DOF) control of a WEC in a realistic...

Coe, R. et al Sandia National Laboratories

May 01, 2019
4 Resources
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Aquantis 2.5 MW Ocean Current Generation Device Scaled Tank Test Design and Results

Aquantis 2.5 MW Ocean Current Generation Device, Tow Tank Dynamic Rig Structural Analysis Results. This is the detailed documentation for scaled device testing in a tow tank, including models, drawings, presentations, cost of energy analysis, and structural analysis. This datase...

Swales, H. et al Dehlsen Associates, LLC

Jun 03, 2015
46 Resources
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NWEI Azura RTI 1/20th Model Validation Wave Tank Test Data

Data from the 1/20th wave tank test of the RTI model. Northwest Energy Innovations (NWEI) has licensed intellectual property from RTI, and modified the PTO and retested the 1/20th RTI model that was tested as part of the Wave Energy Prize. The goal of the test was to validate NWEI...

Ling, B. and Lettenmaier, T. Northwest Energy Innovations

May 08, 2017
7 Resources
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Lift Equivalence and Cancellation for Airfoil Surge-Pitch-Plunge Oscillations

A NACA 0018 airfoil in freestream velocity is oscillated in longitudinal, transverse, and angle-of-attack directions with respect to the freestream velocity, known as surge, plunge, and pitch. The lift-based equivalence method introduces phase shifts between these three motions to...

Elfering, K. and Granlund, K. North Carolina State University

Jan 01, 2020
1 Resources
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