A flywheel in a wind turbine rotor for inertia control | Zendy

Jauch Clemens | Zendy

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A flywheel in a wind turbine rotor for inertia control

Author(s) -

Jauch Clemens

Publication year - 2015

Publication title -

wind energy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.743

H-Index - 92

eISSN - 1099-1824

pISSN - 1095-4244

DOI - 10.1002/we.1784

Subject(s) - flywheel , inertia , rotor (electric) , turbine , wind power , control theory (sociology) , engineering , moment of inertia , power (physics) , rotary inertia , automotive engineering , computer science , mechanical engineering , physics , control (management) , electrical engineering , classical mechanics , quantum mechanics , artificial intelligence

In this paper, a flywheel energy storage that is an integral part of a wind turbine rotor is proposed. The rotor blades of a wind turbine are equipped with internal weights, which increase the inertia of the rotor. The inertia of this flywheel can be controlled by varying the position of the weights, i.e. by positioning them closer to the center of rotation (closer to the hub) or closer to the tip of the blades. The simulation model used in this study is introduced briefly. The equation system of the flywheel is set up. Finally, simulations of different scenarios show the performance of this controllable flywheel. The conclusion is that the proposed system can mitigate transients in the power output of wind turbines. Hence, it can support the frequency control in a power system by contributing to the power system inertia. © 2014 The Authors. Wind Energy published by John Wiley & Sons, Ltd.

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