NDLI: An evaluation of diagnostic techniques relevant to arcing fault current interrupters for direct current power systems in future aircraft

Content Provider	IEEE Xplore Digital Library
Author	Spyker, R. Schweickart, D.L. Horwath, J.C. Walko, L.C. Grosjean, D.
Copyright Year	2005
Description	Author affiliation: Air Force Res. Lab., Wright-Patterson AFB, OH (Spyker, R.; Schweickart, D.L.; Horwath, J.C.)
Abstract	Arc fault circuit interrupters (AFCI) are a relatively new development in the area of circuit protection. Typical circuit breakers are designed to detect an overload current in the protected circuit and trip open within a specified period of time. The AFCI is a device that detects and interrupts an arcing fault when it occurs. An arc fault is a dangerous situation with very high temperatures in the arc. These high temperatures are sufficient to ignite wire insulation and other combustibles in the vicinity of the arc. Standard circuit breakers and ground fault circuit breakers generally will not trip in the event of an arc fault since there is sufficiently high impedance in the circuit to limit current below the trip level of its characteristic curve. Numerous arc faults that have been observed on aging aircraft, due to failing insulation, have spurred an interest in AFCIs for both commercial and military aircraft. Such AFCIs assess the AC current waveform to distinguish that an arc is occurring in the circuit. When this occurs, the AFCI will open to mitigate damage to the wiring system. In the AC case, the opening device will generally take advantage of the natural current zero in the AC wave form to clear the circuit. Protective devices for DC systems cannot exploit this characteristic. In addition, the charge transport properties (conductivity) of the DC arc are affected by the gas density (i.e., altitude) surrounding the arc. This paper presents experimental results intended to help evaluate the potential applicability of the typical diagnostics used in AC AFCIs as a valid means of detecting a series DC arc. This is particularly relevant to future aircraft power systems employing 270 Volt DC distribution. Also, these DC arcs have been characterized at low atmospheric pressures to simulate high altitude operation
Starting Page	146
Ending Page	150
File Size	2686084
Page Count	5
File Format	PDF
ISBN	0780391454
DOI	10.1109/EEIC.2005.1566277
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-10-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault currents Interrupters Power system faults Circuit faults Power system protection Circuit breakers Land surface temperature Military aircraft Power system simulation Electrical fault detection
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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