Inertial Energy Storage Integration with Wind Power Generation Using Transgenerator–Flywheel Technology

Yi Deng () and Mehrdad Ehsani
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Yi Deng: Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX 77843, USA
Mehrdad Ehsani: Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX 77843, USA

Energies, 2024, vol. 17, issue 13, 1-22

Abstract: A new type of generator, a transgenerator, is introduced, which integrates the wind turbine and flywheel into one system, aiming to make flywheel-distributed energy storage (FDES) more modular and scalable than the conventional FDES. The transgenerator is a three-member dual-mechanical-port (DMP) machine with two rotating members (inner and outer rotors) and one stationary member (stator). The transgenerator–flywheel system is introduced with its configuration, transgenerator overview, flywheel operation principle and power management strategies, and control system. Simulations are performed in MATLAB 2023b/Simulink to verify the system viability, including control system verification and flywheel storage performance evaluation. The results show that the inner and outer rotors can be controlled independently with an accurate and fast control response, and the grid-side control works properly. The flywheel performs well, with considerable charging power and storage capacity.

Keywords: transgenerator; three-member dual-mechanical-port (DMP) machine; flywheel-distributed energy storage (FDES); wind power generation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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