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EU - FP 5: AA-CAES: Advanced adiabatic compressed air energy storage
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PROJEKT: AA-CAES addresses a new technology for electrical-energy storage: Advanced Compressed Air Energy Storage. AA-CAES is a zero-emission storage technology with the potential to- Develop utility-size products for centralised storage as well as modular products for distributed storage- Enable medium to long-term storage at investment costs of 800 - 1200/kW, 8 - 12/kWh (at 100 h capacity) and at >70% efficiency- Deliver ancillary services like production of reactive power, frequency and voltage control, hot spinning reserve.
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The target of this project is to develop the foundation for this 'next but one generation' technology in a single step. To do so, a multitude of challenges needs to be addressed:
- Development of suitable heat storage devices;
- Development of operable, safe and economic plant concepts;
- Development of compressors with very high outlet temperature;
- Development of fast-response sliding-pressure turbines- Accurate description of the economy of electrical-energy storage;
- Thermophysical description of humid air at high pressures. In the first phase of the project a broad range of solutions will be scanned. The second phase will focus on the 2 - 3 most promising concepts and in the third phase a conceptual design will be developed for a specific AA-CAES product
Key words: Economic Aspects; Energy Saving
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