2. Introduction
Simplified electrical grid with energy storage
Forms of Storage
Air,
Batteries,
Electric vehicles ,
Flywheel,
Pumped Storage Hydroelectricity,
Superconducting Magnetic Energy
Economics
Benefits
3.
4.
5. Compressed air:
Compressed air energy storage is a way to store
energy generated at one time for use at another time
using Compressed air.
Liquid air :
Compress and cool air, turning it into liquid air ,
which can be stored, and expanded when needed,
turning a turbine, generating electricity
9. A parked and plugged-in electric vehicle could sell the
electricity from the battery during peak loads and charge
either during night (at home) or during off-peak
10. When the electric power flows into the device, an
electric motor accelerates a heavy rotating disc. The motor acts as a
generator when the flow of power is reversed, slowing down the
disc and producing electricity.
11. Hydroelectricity is used to even out the daily generating load, by pumping water to
a high storage reservoir during off-peak hours and weekends, using the excess
base-load capacity from coal or nuclear sources.
12. Superconducting magnetic energy storage (SMES)
systems store energy in the magnetic field created by
the flow of direct current in a superconducting coil
which has been cryogenically cooled to a temperature
below its superconducting critical temperature.
13. Cost : The cost of storing electricity using batteries is
said to be 7.40 Rs/KWh.
Load leveling
Energy demand management
Portability
14. Electric supply
Grid stabilization,
Grid system >Discharge during peak demand: reduce
transmission capacity requirement
Renewable energy integration
Reliable voltage,power
