Metallic Strip Details for Validation of ESN Technologies

Perraud, R.; Urrea, Olivier; Pelegrin, Thierry; Bermudez, Michel; Fouquembergh, Michel; Guinard, Stéphane; Breu, Christoph

doi:10.1007/978-3-319-22413-8_45

Cited by 2 publications

(2 citation statements)

References 1 publication

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“…It is expected that in the real case the distance that a fault current may have to travel to reach the current return network may be much further. Indications from the literature and standards suggest that it would not be unreasonable for there to be a distance of at least 0.65 m between electrical bonding to ground on a panel of CFRP [24,25]. By inspection of (1) it is clear that the equivalent impedance of the CFRP material will also increase as the surface area that fault current enters a CFRP panel through is decreased.…”

Section: Discussionmentioning

confidence: 99%

Electrical model of carbon fibre reinforced polymers for the development of electrical protection systems for more-electric aircraft

Jones

Norman

Galloway

et al. 2016

2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe)

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Section: Discussionmentioning

confidence: 99%

Electrical model of carbon fibre reinforced polymers for the development of electrical protection systems for more-electric aircraft

Jones

Norman

Galloway

et al. 2016

2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe)

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“…If a 00 American wire gauge (AWG) cable, which has lost its insulation due to chafing caused by vibration, is pressed against the centre of a panel of CFRP, then the range of impedances added to the fault path by the CFRP can be estimated using the model presented above. In order to achieve this, a number of assumptions are made: that the panel is solidly grounded on all sides [6], [7]; that the panel is 650 mm wide [25]; that the cable forms a solid, electrical bond against the surface of the CFRP (arcing faults are outside the scope of this paper).…”

Section: B Range Of Resistance Added To the Fault Path By Cfrpmentioning

confidence: 99%

Electrical and Thermal Effects of Fault Currents in Aircraft Electrical Power Systems With Composite Aerostructures

Jones

Norman

Sztykiel

et al. 2018

IEEE Trans. Transp. Electrific.

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The upwards trend for the use of electrical power on state of the art aircraft is resulting in significant change to the design of power system architectures and protection systems for these platforms. There is a pull from the aerospace industry to integrate the electrical power system with the aircraft's structural materials to form an embedded system, reducing the need for bulky cable harnesses. This directly impacts the fault response for ground faults and ultimately the development of appropriate protection systems. Such structural materials include composites such as carbon fibre reinforced polymer (CFRP). This paper presents the experimental capture and analysis of the response of CFRP to electrical fault current, which indicates the need for two distinct sets of electrical ground fault detection criteria for low and high resistance faults and identifies the threshold resistance for this distinction. By extrapolating these results to develop models of CFRP for use in transient simulation studies, the key electrical fault detection thresholds for speed, selectivity and sensitivity for a DC system rail to ground fault through CFRP are identified. This provides the first set of key factors for electrical fault detection through CFRP, providing a platform for the design of fully integrated structural and electrical power systems, with appropriate electrical protection systems.Index Terms-Carbon fibre reinforced polymer, electrical protection, more-electric aircraft.Electrical and thermal effects of fault currents in aircraft electrical power systems with composite aero-structures.S

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Metallic Strip Details for Validation of ESN Technologies

Cited by 2 publications

References 1 publication

Electrical model of carbon fibre reinforced polymers for the development of electrical protection systems for more-electric aircraft

Electrical model of carbon fibre reinforced polymers for the development of electrical protection systems for more-electric aircraft

Electrical and Thermal Effects of Fault Currents in Aircraft Electrical Power Systems With Composite Aerostructures

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