Compatibility study of fuel-cell protective relaying and the local distribution system

The goal of this study was to characterize the compatibility between the protective relaying system of a fully commercialized, 200-kW fuel cell and the local electric power system. This study was motivated by the fact that for several reasons, distribution utility engineers are uncomfortable with th...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2005-07, Vol.20 (3), p.1825-1829
Main Authors: Staunton, R.H., Berry, J.B., Dunn, C.A.
Format: Article
Language:English
Subjects:
Applied sciences
Commercialization
Construction
Device 32
distribution
Dynamical systems
Dynamics
Electric power generation
Electrical engineering. Electrical power engineering
Electrical power engineering
Energy
Energy. Thermal use of fuels
Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc
Exact sciences and technology
fuel cell
Fuel cells
Hardware
harmonics
Loads (forces)
Miscellaneous
Power engineering and energy
Power generation
Power grids
Power networks and lines
Power system dynamics
Power systems
Protective
Protective relaying
Reactive power
Relaying
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Summary:The goal of this study was to characterize the compatibility between the protective relaying system of a fully commercialized, 200-kW fuel cell and the local electric power system. This study was motivated by the fact that for several reasons, distribution utility engineers are uncomfortable with the "synthesized" protective relaying and hardware that is generally provided in distributed-generation (DG) systems. This study collected power grid disturbance electrical data and event-related, building-load electrical data over a period of six months. The study dealt with a larger-than-expected number of interruptions to grid-connect power generation. Problems relating primarily to load tracking and also to low power factor, complex load balance dynamics, and possible harmonic-distortion-induced instrumentation error produced some valuable conclusions and several recommendations that would be useful for companies interested in installing a grid-connected DG system.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2005.848651