Flywheel energy storage submarine

What is a flywheel energy storage system?

Fig. 2. A typical flywheel energy storage system , which includes a flywheel/rotor, an electric machine, bearings, and power electronics. Fig. 3. The Beacon Power Flywheel , which includes a composite rotor and an electric machine, is designed for frequency regulation.

Could flywheels be the future of energy storage?

Flywheels, one of the earliest forms of energy storage, could play a significant role in the transformation of the electrical power system into one that is fully sustainable yet low cost.

What are the advantages of flywheel ESS (fess)?

Flywheel energy storage systems (FESS) have several advantages, including being eco-friendly, storing energy up to megajoules (MJ), high power density, longer life cycle, higher rate of charge and discharge cycle, and greater efficiency.

What is a Flywheel Energy Storage System (FESS)?

A Flywheel Energy Storage System (FESS) is defined as a system that stores energy for a distinct period of time to be retrieved later. There is a class distinction between flywheels used for smoothing the intermittent output of an engine or load on a machine and these energy storage systems.

How can flywheels be more competitive to batteries?

The use of new materials and compact designs will increase the specific energy and energy density to make flywheels more competitive to batteries. Other opportunities are new applications in energy harvest, hybrid energy systems, and flywheel’s secondary functionality apart from energy storage.

How do electrical flywheels work?

Electrical flywheels are kept spinning at a desired state of charge, and a more useful measure of performance is standby power loss, as opposed to rundown time. Standby power loss can be minimized by means of a good bearing system, a low electromagnetic drag MG, and internal vacuum for low aerodynamic drag.