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Sandia’s engineers remount a rotor on one of its SWiFT turbines

By Paul Dvorak | January 29, 2016

Sandia National Laboratories has reached a major milestone by successfully re-mounting a rotor on one of its SWiFT (Scaled Wind Farm Technology) wind turbines, a heavily modified Vestas V27, at the SWiFT facility on January 20, 2016.

Sandia National Laboratories has reached a major milestone by successfully re-mounting a rotor on one of its SWiFT (Scaled Wind Farm Technology) wind turbines, a heavily modified Vestas V27, at the SWiFT facility on January 20, 2016.

Sandia National Laboratories has reached a major milestone by successfully re-mounting a rotor on one of its SWiFT (Scaled Wind Farm Technology) wind turbines, a heavily modified Vestas V27, at the SWiFT facility on January 20, 2016.

Wind engineers at SWiFT have been preparing for this event since 2014 when one of the turbines over sped and failed. Since that time, Sandia’s Wind Energy Technologies department has been evaluating and improving hardware, software, safety systems, procedures, training, and security at the SWiFT site.

Notable site improvements include:

  1. A new generator brake system to maintain stopping capability with failure tolerance
  2. A new hardware-in-the-loop testbed which will provide exact replica testing of turbine controller prior to deployment on the turbine
  3. Significantly strengthened hardware safety system with multiple layers
  4. Reviewed and approved by Sandia, Vestas, Texas Tech, DOE, NREL, DNV-GL and Westergaard Solutions
  5. Significant increase in the SWiFT team’s capability and knowledge will benefit all future research projects and partners
  6. Rigorous readiness review and change management system which will expedite future testing efforts

With the successful rotor re-mount to baseline the facility, SWiFT is moving forward in preparation for its DOE readiness review to be conducted over the next month. A successful readiness review is the final step in returning SWiFT to full operational capability and the initiation of a wide range of wind plant research.

The Scaled Wind Farm Technology (SWiFT) Facility is the principal wind plant research facility for investigating wind turbine wakes as part of the DOE Atmosphere to Electrons (A2E) initiative. In 2016, the SWiFT Facility will be the focus of a joint experiment conducted by Sandia National Laboratories and National Renewable Energy Laboratory staff studying the use of wind plant controls to mitigate the impact of wakes on plant performance.

In addition, the SWiFT Facility is preparing to fly the first blade set from DOE and Sandia’s National Rotor Testbed (NRT) program which aims to demonstrate the ability to functionally scale utility rotor characteristics to the more cost-effective research scale of the SWiFT turbines. The NRT rotor will recreate the wake of a utility-scale turbine while future NRT rotor designs could demonstrate wake mitigation, damage mitigating active load control, and other innovative design concepts.

To support A2E’s industrial partnership objectives, SWiFT will partner with Windar Photonics and Westergaard Solutions to investigate simultaneous feed-forward and feed-backward wake control. Additionally, Pentalum, Texas Tech University and Sandia have also partnered on a Binational Industrial R&D (BIRD) Foundation grant to further develop a new approach to LIDAR technology with the hopes of leveraging the technology to develop wind plant controllers.


Filed Under: News
Tagged With: Sandia
 

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Paul Dvorak

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