Aquantis 2.5 MW Ocean Current Generation Device - Scaled Tank Test Design and Results
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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 dataset also includes specific information on drivetrain, roller bearing, blade fabrication, mooring, and rotor characteristics.
TEAMER: Technical Support for Aquantis (Materials): CRD-21-17762-0
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The Aquantis Tidal Power Tug is a unique synthesis of best-available technologies and materials configured as a novel spar vessel to create an optimal platform for tidal stream energy conversion. The Power Tug utilizes an upstream-facing horizontal, 2-bladed rotor. To drive down capital costs and extend the life of the Power Tug, Aquantis proposes to employ new materials for the blades that are both less expensive than current state-of-the-art materials and are potentially better suited for survival in a submerged, seawater environment. This project provided technical assistance by evaluating mechanical properties of a novel geopolymer material for application in tidal stream energy conversion systems. Coupons from a novel geopolymer material were tested in a load frame to characterize material properties. This work established characteristic properties of a geopolymer material under dry and saturated conditions through material coupon testing. Material coupons were tested to characterize properties including: a) tensile strength, b) compression strength, c) flexural strength, d) modulus of elasticity, and e) fatigue strength at varying load levels. The types of material tests performed were guided by the characteristics required to validate material properties for use in full-scale structures. This characterization of material properties while considering the demands of a full-scale structure is a necessary step in research and development that can enable the use of geopolymer materials in tidal stream energy conversion systems. This submission includes: - a ReadMe file describing the contents and subfile organization of the coupon testing data .zip file - geopolymer coupon testing data including photos of testing set-ups, raw data, and summaries of flexural testing, compression testing, confined compression testing, and tensile and shear testing - the TEAMER Post Access Report
TEAMER - AquaHarmonics High Fidelity WEC Sim PTO and Control Model Validation, Test Logs and Results
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Collaborative effort between AquaHarmonics, Sandia National Laboratories (SNL), and the National Renewable Energy Laboratory (NREL) to revise and validate Aquaharmonics' full wave to wire model, allowing for reduced uncertainty and increased understanding of design requirements of a utility scale wave energy converter (WEC). SNL and NREL in collaboration with AquaHarmonics, will set up and run WEC Simulator (WEC-Sim) models of the AquaHarmonics WEC, building off past model developments for inclusion of custom PTO (power take-off) dynamics. The intent is to review, update, and verify or validate a new WEC-Sim model against wave tank experimental data. Furthermore, the WEC-Sim model will be coupled to an energy storage system model to better understand the wave-to-wire functionality. This data set is described in the "Test Log" excel file. Please refer to that document for details on each specific test date/time, constraint parameters and model hardware setup details. Sim model can be found in the associated MHKDR link below.
Advanced TidGen Power System - Control and SCADA System
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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) device. This submission includes a technical report on control system development, supporting simulations and supervisory control and data acquisition (SCADA) system requirements. Also included is the final design of the control and SCADA system, with supporting simulations and risk mitigation control strategies to address major system technical risks.