NDLI: DC zonal electrical system fault isolation and reconfiguration

Content Provider	IEEE Xplore Digital Library
Author	Cuzner, R. Jeutter, A.
Copyright Year	2009
Description	Author affiliation: DRS Power & Control Technologies, Inc., Milwaukee, WI 53216, USA (Cuzner, R.; Jeutter, A.)
Abstract	Fault isolation and re-configuration on a DC bus distributed through an electrical system is studied. This paper builds upon previously proposed zonal architectures that ensure power continuity during a fault and isolation of a fault with minimal impact to un-faulted portions of the system. The approach utilizes no load switches for fault isolation aided by multiple power electronic converters feeding the DC bus. Three electromechanical no load switches in a single assembly are utilized at the interface between electrical zones. The ability of the system to segregate the fault without loss of power to unfaulted zones is very limited without network communications between the power converter and switch components. A simulation model of the DC portion of the integrated power system is developed and simulation results demonstrate the effectiveness of the model in verifying the method for locating a fault and in predicting the impact of the fault to the external medium voltage AC distribution system and inter-zonal low voltage interfaces.
Starting Page	227
Ending Page	234
File Size	498521
Page Count	8
File Format	PDF
ISBN	9781424434381
DOI	10.1109/ESTS.2009.4906520
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Switching converters Power system simulation Switches Medium voltage Predictive models Power electronics Power system modeling Power system faults Communication switching Assembly
Content Type	Text
Resource Type	Article

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