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Tecnalia. Inspiring Business

Tecnalia. Inspiring Business

Electrical PTO Lab

A turbine emulator to reproduce the mechanical output of an ocean energy device/wind turbine

Electrical PTO Lab

It allows to work in a controlled lab environment, reducing risks and development time before the deployment of the system

  • Step by step control design
  • Developt of turbine control laws
  • Tune the controllers
  • Test the control software/hardware
  • Compare different control laws in terms of efficiency, power quality and grid codes

After the deployment of the system it also allows to

  • Repeat actual sea/wind working conditions (based on field measurements) which lead to failures to debug the system.
  • Validate the device models

SUPPORT OFFERED

  • Customization of the test bed as required by the user before the tests
  • Introduce the users to the test bed operation and control software
  • Operation of the test bed and the configurable grid by Tecnalia staff
  • Technical assessment of expert engineers (electronics, hydrodynamics, electrical issues…)
  • Support with the logistics

TYPICAL PROJECTS

  • Mini-wind and scaled-down control algorithms
  • Control algorithms for grid connection of wind turbines under adverse conditions
  • Advanced algorithms for control of wave energy converters (in collaboration with the University of the Basque Country)
  • OWC system behavior modeling
  • Validation of control strategies for different concepts of wave energy converters 

INFRASTRUCTURE SPECIFICATION

Electrical PTO Lab infrastructure

Motor

  • 15 kW motor nominal power
  • 28 kW motor peak power
  • 1460 rpm rated speed

Motor control

  • Performed by a PC control board. Torque or speed commands updated every 5 ms
  • Fully controllable in speed or torque control modes. Arbitrary torque or speed waveform references can be followed.
  • Programmable user defined turbines characteristics under arbitrary sea states/sea currents/wind conditions can be programmed.

Generator

  • It is possible to adapt the test bed as required by the user to accommodate different generators with different rotational speeds
  • Currently the test bed is available with:
  • 11 kW 768 rpm 400 V squirrel cage induction generator
  • 10 kW 1500 rpm 400 V doubly fed induction generator

Generator control

  • Performed by a PLC. Torque or speed commands updated every 10 ms
  • Fully controllable in speed or torque control modes. Arbitrary torque or speed waveform references
  • Programmable user defined control software

Inertia

  • Currently installed with a 1 kgm2 flywheel
  • Possibility to increase the inertia up to 8 kgm2

Grid connection

  • Direct grid connection
  • Grid connection through a full power back-to-back power converter
  • Fully configurable grid available for the grid connection
    • Programmable voltage waveforms
    • Programmable voltage sags
    • Programmable frequency excursions
    • Programmable harmonics

CONTACT AND MORE INFORMATION

Fernando Salcedo / Eider Robles
Offshore Renewable Energy Area

Send email

Phone: +34 946430850

Free access to this infrastructure is offered in the framework of MaRINET2. The 3rd call for applications for Transnational Access will be open from 1 Nov 2018 to 15 Dec 2018. Granted applications will be able to access the facilities from 25 Feb 2019 to 13 Aug 2019. For more information, contact us directly, or visit the MaRINET2 website.

 

EU-Flag

MaRINET2 has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 731084.

 

 


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Parque Científico y Tecnológico de Gipuzkoa. Mikeletegi Pasealekua, 2. E-20009 Donostia - San Sebastián. Gipuzkoa (Spain). Tel.: 902.760.000 - International Calls: (+34) 946.430.850


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