Patent
System for providing assured power to a critical load
Douglas Gibbons Henderson Young,Herbert C. Windsor Healy,Francis A. Fragola,Ricky M. South Windsor Ross +3 more
TLDR
In this paper, a first AC power source comprising a fuel cell power plant and a second power source, typically grid, are normally connected via a high speed isolation switching means to provide sufficient AC power to a critical load.Abstract:
A first AC power source comprising a fuel cell power plant (18), and a second power source, typically grid (10), are normally connected via a high speed isolation switching means (19) to provide sufficient AC power to a critical load (14).read more
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Patent
Method and apparatus for providing uninterruptible power
Francis J. Masciarelli,Srdan Mutabdzija,Eyob Demissie,Michael J. Ingemi,Donald Lee Charlantini +4 more
TL;DR: In this article, a power supply system includes a frame, a power input to receive input power from a power source, and a power output to provide output power to a load, at least one battery module mounted in the frame and having a battery output that provides battery power.
Patent
Distributed Power Harvesting Systems Using DC Power Sources
TL;DR: In this article, the converters are coupled in series and an inverter is connected in parallel with the series connection of converters and inverts a DC input to the inverter from converters into an AC output.
Patent
Method for distributed power harvesting using DC power sources
TL;DR: In this article, the converters are coupled in series and an inverter is connected in parallel with the series connection of converters and inverts a DC input to the inverter from converters into an AC output.
Patent
Energy storage system and method of controlling the same
TL;DR: In this article, an energy storage system and a method of controlling the same is provided, which can directly provide generated DC power or DC power stored in a battery to a DC load without performing a DC/AC conversion or an AC/DC conversion.
Patent
Control of small distributed energy resources
Robert H. Lasseter,Paolo Piagi +1 more
TL;DR: In this paper, a method of controlling the output inverter of a microsource in a distributed energy resource system is described, where the inverter reaches maximum output power and minimum operating frequency at the same time, and further comprising using a voltage controller implementing a voltage vs. reactive current droop.
References
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Patent
Application of fuel cells to power generation systems
TL;DR: In this article, an electric power generation system comprises a fuel cell (9) and supplies (1, 5) of substances to be treated so as to provide suitable reactants for the fuel cell.
Patent
Backup power system and method
TL;DR: In this paper, the relay switch is closed and the inverter is turned off to allow the main power system to provide power to the load, but is turned on again after a short period of time less than a cycle of the AC waveform.
Patent
Purge gas protected transportable pressurized fuel cell modules and their operation in a power plant
TL;DR: In this article, a fuel cell generator is transpatable when the axially elongated pressure vessel (64) is horizontally disposed, providing a low center of gravity for the generator.
Patent
Energy management uninterruptible power supply system
TL;DR: In this article, a power system is provided in which a grid supplies electrical power to a load and in which backup power is provided from one of a generator and a dc storage device.
Patent
Arrangement for ensuring uninterrupted current supply to an electrical consumer
TL;DR: In this paper, an arrangement for ensuring an uninterrupted current supply to at least one electrical consumer which draws energy from an alternating voltage network and is supplied with energy in the event of a network failure by a fuel cell is presented.