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Flywheel energy storage capacity calculation
Flywheel energy storage is an efficient and reliable energy storage technology, and the calculation of its capacity is crucial to evaluate the performance of the energy storage system. This paper will discuss the calculation of flywheel energy storage capacity.
We need to understand the fundamentals of flywheel energy storage systems. Flywheel energy storage systems work by converting electrical energy into mechanical energy and storing it in a spinning flywheel. When the stored energy needs to be released, the flywheel converts mechanical energy into electrical energy, which is output to an external grid or load. Therefore, the capacity of the flywheel energy storage is the electrical energy it can store.
The calculation of the energy storage capacity of a flywheel involves several factors. The first is the mass and rotational speed of the flywheel. The mass of the flywheel determines its inertia, the greater the mass, the less energy is lost while turning. The rotational speed determines the kinetic energy of the flywheel, the higher the rotational speed, the greater the stored electrical energy. The second is the radius and inertia coefficient of the flywheel. The larger the radius, the slower the rotation speed of the flywheel, thereby reducing the energy loss; while the inertia coefficient reflects the degree of energy loss when the flywheel rotates, and the smaller the coefficient, the smaller the energy loss.