Abstract
Magnetic bearings have been used in flywheel energy storage systems to improve their performance because these kinds of bearings can provide non-contact supporting so that the friction between the ...
Highlights
Flywheel energy storage systems which are called flywheel battery have been used more and more for energy harvesting and recycling in many situations, such as space satellites, renewable energy power generation systems, and electric vehicles, because of their cleanliness and high-density energy storage
The control performance results under the conditions v = 20, 000 rpm and v = 30, 000 rpm obtained by the aforementioned controllers are shown in Figures 9 and 10
The disturbance rejection performance results under the conditions v = 20, 000 rpm and v = 30, 000 rpm obtained by the aforementioned controllers are shown in Figures 17 and 18, respectively
Summary
Flywheel energy storage systems which are called flywheel battery have been used more and more for energy harvesting and recycling in many situations, such as space satellites, renewable energy power generation systems, and electric vehicles, because of their cleanliness and high-density energy storage. Their capacity of energy storage almost depends on the rotor velocity; the traditional flywheel energy storage systems have significant friction between the rotor and the bearings. The gyroscopic coupling, parameter coupling, and imbalance force could cause rotor vibration so that the operating performance and stability of flywheel energy storage systems could be College of Electrical Engineering and Control Science, Nanjing Tech University, Nanjing, China
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