Main parts of a typical flywheel
Image: Pjrensburg, Wikimedia Commons
From ESS News
China has linked to the grid the primary large-scale standalone flywheel power storage challenge within the metropolis of Changzhi in Shanxi Province.
The Dinglun Flywheel Energy Storage Power Station broke floor in July final yr. China Energy Construction Shanxi Power Engineering Institute and Shanxi Electric Power Construction Company are doing the development works. BC New Energy is the know-how supplier and Shenzhen Energy Group is the lead investor.
The facility has an influence output of 30 MW and has 120 high-speed magnetic levitation flywheel items. Each 10 flywheels kind an power storage and frequency regulation unit, and a complete of 12 power storage and frequency regulation items kind an array, which is linked to the facility grid at a voltage degree of 110 kV.
The challenge represents a pioneering use of a semi-buried underground properly system designed to supply a secure surroundings for operation, waterproofing, cooling, and upkeep of the flywheel unit.
Flywheel power storage know-how is a type of mechanical power storage that works by accelerating a rotor (flywheel) at a excessive velocity and sustaining the system’s power as kinetic power. Compared to different mechanical power storage applied sciences comparable to pumped hydro and compressed air, flywheel storage has increased power and energy density, increased effectivity, and sooner response.
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