Patent
Fuel Cell System with Variable Frequency Drive for Support Equipment
Arne Ballantine,Ranganathan Gurunathan,Chad Pearson,Rajesh Gopinath,Carl Cottuli,James Daniel Smith +5 more
TLDR
In this article, the operation of a fuel cell system support equipment using variable frequency drives and power from fuel cells and/or grid power sources is described, and various embodiments enable the operation and operation of such a system.Abstract:
Various embodiments enable the operation of fuel cell system support equipment using variable frequency drives and power from fuel cells and/or grid power sources.read more
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Patent
Methods of advanced grid and microgrid support functionalities through hybrid fuel cell systems
Pmsvvsv Prasad,Gurunathan Ranganathan,Venkataraman Swaminathan,Ballantine Arne,Balakrishnan Deepak +4 more
TL;DR: In this paper, a method of controlling an inverter having a three phase output and a plurality of single phase loads connected to respective one of the three phases of the 3-phase output is presented.
Patent
Structure and method for fuel cell system where multiple fuel cells and power electronics feed loads in parallel allowing for integrated electrochemical impedance spectroscopy (EIS)
TL;DR: In this article, the power electronics may compensate for any ripple generated during EIS such that no ripple is realized at the common load and/or bus in an embodiment, where the EIS is performed on electrochemical devices such as fuel cell stack segments.
Patent
Electrochemical impedance spectroscopy (EIS) analyzer and method of using thereof
Karthick Sudhan S,Amit Nawathe,Rohit Srivastava,Mohamed Sharif,Abhishek Dudhmande,Timothy Bekkedahl +5 more
TL;DR: In this article, the authors present a hardware and software architecture enabling electrochemical impedance spectroscopy (EIS) to be performed on multiple electrochemical devices, such as fuel cells, at the same time without human interaction with the devices and to use EIS to dynamically monitor the performance of a fuel cell system.
Patent
Fuel cell system ride-through of electric grid disturbances
TL;DR: In this article, a variable frequency drive (VFD) coupled to an output of the one or more inverters and configured to receive AC power from the inverters is configured to convert the AC power to DC power and to provide the DC power to at least one auxiliary component during a normal operating condition.
Patent
Detecting Anomalies Based on an Analysis of Input and Output Energies
Sean M. James,Eric C. Peterson +1 more
TL;DR: In this article, an analysis system is described for detecting anomalies within an environment based on a consideration of resources supplied to, and then used by, resource consumption devices within the environment, such as fuel cells or generators.
References
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Patent
Power supply control for power generator
TL;DR: In this paper, a system for connecting a fuel cell stack to an A.C. grid to provide power to a D. C. bus and a bidirectional inverter is described.
Patent
Intelligent microgrid controller
Uwe Rockenfeller,Kaveh Khalili +1 more
TL;DR: A microgrid controller may control the generation, distribution, storage and use of electrical power on a microgrid as mentioned in this paper, which may include inputs for different types of power (e.g. AC and DC), an input for utility grid power, electrical equipment for conditioning the electrical power received from the multiple sources (i.e., rectifiers and inverters), outputs to multiple types of loads (e., three-phase AC and single phase AC).
Patent
Photovoltaic power source for electromechanical system
TL;DR: In this article, an enclosure or shelter having an HVAC/R system is configured with a photovoltaic power source and a rechargeable DC power source for power backup to maintain substantially uninterrupted power in the case of a main power failure.
Patent
Enclosure housing electronic components having hybrid HVAC/R system with power back-up
TL;DR: In this article, an enclosure or shelter having an interior chamber for housing electronic components and equipment is provided with an HVAC/R system configured with a rechargeable DC power source for power back-up to maintain substantially uninterrupted power in the case of a main power failure.