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Anonymous Poster #1

How do Earthing Systems Work in Aeroplane and Ships?

07/14/2011 8:24 AM

how earthing system works in aeroplane and ships?
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PWSlack
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#1

Re: how earthing system works in aeroplane and ships?

07/14/2011 8:26 AM

Exactly the same as everywhere else. It is there to operate the circuit protective device(s) in the event of a fault.

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Anonymous Poster #2
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Re: How do Earthing Systems Work in Aeroplane and Ships?

07/14/2011 10:29 AM

Asked and answered several times in CR4, in detail Search.
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Tornado
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#3

Re: How do Earthing Systems Work in Aeroplane and Ships?

07/15/2011 2:18 AM

I think airplane electrical systems are "grounded" to the airframe, but am not sure.

In ships, I have seen ungrounded systems, in order to avoid electrolysis from currents in the hull. If part of the electrical system inadvertently does become "grounded" to the hull, this can be detected with ground fault lights. By deenergizing various circuits, the location of the fault can be tracked down.

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electricalexpert65
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#4

Re: How do Earthing Systems Work in Aeroplane and Ships?

07/27/2011 9:52 AM

By having an Equi-potential Plane.
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