Can a high speed flywheel energy storage system help mobile applications?

The need for low cost reliable energy storage for mobile applications is increasing. One type of battery that can potentially solve this demand is Highspeed Flywheel Energy Storage Systems. These are complex mechatronic systems which can only work reliably if designed and produced based on interdisciplinary knowledge and exper-tise.

How many flywheels are in a hybrid energy storage system?

In a 9-megawatt energy storage project, six flywheels have been installed in combination with a large battery to create an innovative hybrid storage system in Heerhugowaard, around 35 kilometers from Amsterdam.

What is P W kg in a flywheel energy storage system?

p [ W kg] must also be regarded. When it comes to a Flywheel Energy Storage System (FESS), the stored kinetic energy is proportional to flywheel mass moment of inertia and the square of flywheel rotational speed. For a modern high-speed FESS, the energy is sought to be increased by maximising rotational speed rather than flywheel size and mass.

Who are the authors of low cost flywheel energy storage?

C. S. Hearn, M. M. Flynn, M. C. Lewis, R. C. Thompson, B. T. Murphy, and R. G. Longoria. Low cost flywheel energy storage for a fuel cell powered transit bus.

Are flywheels a viable alternative to electrochemical batteries?

However, the flywheels have now reached levels of same orders of magnitude as the electrochemical batteries, which make them a lucrative alternative due to numerous advantages which are listed by the FESS vendor Calnetix in and included here as Table 2.