Download - Hitachi Power Europe GmbH
Download - Hitachi Power Europe GmbH
Download - Hitachi Power Europe GmbH
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Stored Energy<br />
Compressed-air energy<br />
storage systems (right) and<br />
underground pump energy<br />
storage systems (below) are<br />
just two examples of HPE<br />
innovative solutions<br />
1 Compressor<br />
<br />
<br />
<br />
2 Cavern<br />
3 Pipe Storage<br />
4 Gas Turbine<br />
5 Recuperator<br />
<br />
<br />
Renewable energies – such as wind power and solar systems – make energy storage<br />
systems a necessity as they can offset the differing levels of power feed-in to the grid.<br />
<strong>Hitachi</strong> <strong>Power</strong> <strong>Europe</strong> develops these kinds of solutions, such as Compressed Air<br />
Energy Storage (CAES) systems and underground pump energy storage systems.<br />
In CAES systems, compressed air (stored in caverns or in a piping system) is used with<br />
a gas turbine to generate power. In an underground pump energy storage system, falling<br />
water drives the turbines which are installed several hundreds of meters under the<br />
surface (e. g. in a disused mine)<br />
In collaboration with parent company <strong>Hitachi</strong>, Ltd. and Japanese sister companies,<br />
<strong>Hitachi</strong> <strong>Power</strong> <strong>Europe</strong> has the required machine technology and components (e. g.<br />
modified gas turbines) to construct and set up these kinds of energy storage systems.<br />
1 Storage Lake<br />
2 Head Frame<br />
3 Surge Shaft<br />
4 Pump Turbine<br />
<br />
<br />
5 Generator<br />
6 Water Storage Gallery<br />
<br />
<br />
<br />
<br />
40
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