Practical and easy-to-make prototype of flywheel energy storage device

How does a flywheel energy storage system work?

Based on the aforementioned research, this paper proposes a novel electric suspension flywheel energy storage system equipped with zero flux coils and permanent magnets. The newly developed flywheel energy storage system operates at high speeds with self-stability without requiring active control.

What is flywheel energy storage system (fess)?

Among all options for high energy store/restore purpose, flywheel energy storage system (FESS) has been considered again in recent years due to their impressive characteristics which are long cyclic endurance, high power density, low capital costs for short time energy storage (from seconds up to few minutes) and long lifespan [ 1, 2 ].

What is a compact flywheel energy storage system?

A compact flywheel energy storage system assisted by axial-flux partially-self-bearing permanent magnet motor has been proposed . The motor and generator are combined to be a single machine in order to save space.

Can axial-type same pole motor be used as a flywheel energy storage system?

Ekaterina Kurbatova proposed a magnetic system for an axial-type same pole motor suitable as both motor/generator in combination with the integrated design of the motor/generator, which can be utilized in conjunction with the flywheel energy storage system.

What are the alternative bearings for flywheel energy storage systems?

Active magnetic bearings and passive magnetic bearings are the alternative bearings for flywheel energy storage systems , . Active magnetic bearing has advantages such as simple construction and capability of supporting large loads, but the complexity of the control system is daunting.

How do flywheels work?

Fundamental operation of the flywheels is based on the well-known equation of stored energy in a rotating mass. If angular speed changes, amount of energy absorbed or released is determined as FESSs are conventionally categorised as low-speed and high-speed flywheels.