Beacon Power Corporation

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Description

A flywheel energy storage system draws electrical energy from a primary source, such as the utility grid, and stores it in a high-density rotating flywheel. The flywheel system is actually a kinetic, or mechanical battery, spinning at very high speeds (>20,000 rpm) to store energy that is instantly available when needed.Upon power loss, the motor driving the flywheel acts as a generator. As the flywheel continues to rotate, this generator supplies power to the customer load. Performance is measured in energy units indicating the amount of power available over a given period of time. Typical single-flywheel systems, such as the Smart Energy 6 and Smart Energy 25, are intended for standby power applications.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.

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