Originally published February 6 2006
New ways of storing energy could promote the expansion of wind power worldwide
by Mike Adams, the Health Ranger, NaturalNews Editor
Energypulse.net details new storage technologies that will benefit the expansion of wind power projects.
Coupling energy storage technologies with wind turbines can solve many of wind power's operational issues and support the continued expansion of wind energy production.
To date, the wind power industry has made great strides in enhancing the capability of wind turbines and how they are integrated into the overall power market.
* Large Grids: Provide local system stability and enhance transmission deliverability.
By increasing the surface speed of the flywheel, the energy storage capacity (kWh) of the unit can be increased; by increasing the size of the motor/generator, the power (kW) of the unit can be increased.
The flywheel unit's ability to provide a stabilizing capability to the highly variable wind turbine power was found to be essential in allowing Fuji Electric to connect the wind turbines to the island's relatively weak electrical transmission system.
Because of this successful outcome, Fuji Electric is now looking for further deployment opportunities of the UPT KESS technology to provide reliable wind-generated energy as a viable supply alternative in other locations.
Rather than cycling all of the output from the wind turbines through the storage facility, the capacity firming strategy focuses on providing sufficient support to the output of the wind-farm to ensure a guaranteed minimum of on-peak energy sales to reduce additional ancillary service requirements or energy reserves support and thus improve the total economics of the wind farm.
The facility would be used to store power during periods when congestion on the transmission lines constrained-off the growing wind resources.
Unfortunately, because of the wind pattern in the area---there are times when the wind blows strongly and continuously for days at a time, the modeling of the project showed that the CAES facility could become full, and the CAES plant becomes unavailable to provide additional energy storage.
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