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14 June 2013 | IET London: Savoy Place
Call for papers deadline: 28 June 2013
19 September 2013 | Strand Palace Hotel, London, UK
Call for papers deadline: 18 October 2013
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Topic Title: medium voltage integral earthing Topic Summary: Created On: 13 March 2013 02:01 AM Status: Post and Reply |
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 13 March 2013 02:01 AM
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Guys,
I have googles about integral earthing, but i still dont understand, can somebody explain to me. is it means the earthing can be transfer either to feeder earth or busbar earth. |
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24 March 2013 06:10 PM
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Integral earthing is a system for earthing HV plant via the switchgear.
The main earthing types are; Transfer earthing, the circuit breaker is transferred to another position ie BB earth or circuit earth and closed. Extension earthing, a device is fitted to the circuit breaker which is then racked in and closed. Portable earthing, prods are inserted into the spouts after being connected to earth. Integral earthing, built in earth switches. Get your self a copy of the HSE booklet 'Keeping electrical switchgear safe' its about a tenner and describes all the basics. |
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medium voltage integral earthing
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