Renewable energy is best utilized when partnered with energy storage to balance the variable supply with daily and seasonal grid demands. At the distribution level, in addition to meeting power demands, there is a need to maintain system voltage and reactive power / VAR control. Rotating machinery is most effective for VAR control at the substation level. This paper presents a patented MW-scale system that provides power from a hydrogen-oxygen-fueled combined cycle power plant, where the hydrogen and oxygen are generated from electrolysis using renewable wind or solar power. The steam generated from combustion is the working fluid for the power plant, in a closed loop system. Also presented is a discussion on a patented strategy for safe combustion and handling of hydrogen and oxygen, as well as how to use this combustion strategy for flame and post flame temperature control. Finally, a preliminary benefits analysis illustrates the various energy storage and distributed generation benefits that are possible with this system. Depending on the storage approach, energy storage — charge and discharge durations — of 4 to greater than 24 hours are possible, much longer than most battery energy storage systems. Benefits include not only peak shaving and VAR control, but also grid balancing services to avoid the “spilling” of excess renewable power when supply exceeds demand and fast ramping in the evening hours.
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ASME 2018 Power Conference collocated with the ASME 2018 12th International Conference on Energy Sustainability and the ASME 2018 Nuclear Forum
June 24–28, 2018
Lake Buena Vista, Florida, USA
Conference Sponsors:
- Power Division
- Advanced Energy Systems Division
- Solar Energy Division
- Nuclear Engineering Division
ISBN:
978-0-7918-5139-5
PROCEEDINGS PAPER
Distributed Power Generation and Energy Storage From Renewables Using a Hydrogen Oxygen Turbine
Susan Schoenung,
Susan Schoenung
Longitude 122 West, Inc., Menlo Park, CA
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Jay Keller
Jay Keller
Zero Carbon Energy Solutions, Inc., Oakland, CA
Search for other works by this author on:
Susan Schoenung
Longitude 122 West, Inc., Menlo Park, CA
Jay Keller
Zero Carbon Energy Solutions, Inc., Oakland, CA
Paper No:
POWER2018-7183, V001T06A004; 7 pages
Published Online:
October 4, 2018
Citation
Schoenung, S, & Keller, J. "Distributed Power Generation and Energy Storage From Renewables Using a Hydrogen Oxygen Turbine." Proceedings of the ASME 2018 Power Conference collocated with the ASME 2018 12th International Conference on Energy Sustainability and the ASME 2018 Nuclear Forum. Volume 1: Fuels, Combustion, and Material Handling; Combustion Turbines Combined Cycles; Boilers and Heat Recovery Steam Generators; Virtual Plant and Cyber-Physical Systems; Plant Development and Construction; Renewable Energy Systems. Lake Buena Vista, Florida, USA. June 24–28, 2018. V001T06A004. ASME. https://doi.org/10.1115/POWER2018-7183
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