A more recent Beacon Power flywheel design proposes an integrated system of 10 higher-power (25 kWh) flywheels, interconnected in a matrix to provide energy storage for utility-grade applications. The Smart Energy Matrix is designed to deliver megawatts of power for minutes, providing highly robust and responsive frequency and voltage regulation capabilities for increased grid reliability.
http://www.beaconpower.com/products/Ene ... Matrix.htm
The Smart Energy Matrix is a breakthrough sustainable energy storage solution that can deliver megawatts of consistent, uninterrupted power to support a range of distributed generation applications. This environmentally friendly system, based on field-proven technology, can be easily deployed and integrated to meet the back-up power and power quality needs of utilities, network operators and facilities managers.
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Electrical (DC Interface) Single Unit (as in "not entire matrix")
Output power: 250 kW max. continuous (for 4 mins.)
Rated output energy: 25 kWh @ 100 kW
Input/output voltage: 480 VAC, 3 phase
Standby loss: < 2 of rated power
Cyclic life: 50,000 (at 50% depth of discharge)
Design life: 20 years
Response time: Instantaneous
