Systems for storing electric energy specially adapted for power networks

Child Classifications

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• H02J 15/10 using storage of hydraulic energy
• H02J 15/20 using storage of pneumatic energy, e.g. compressed air energy storage [CAES]
• H02J 15/30 using storage of inertial or mechanical energy, e.g. using flywheels
• H02J 15/40 using coils, e.g. superconductive magnetic energy storage [SMES] systems
• H02J 15/50 using stored hydrogen