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lalit_nawada
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Join Date: Apr 2009
Location: CG
Posts: 64

H.T cable

04/18/2009 9:57 AM

What is difference between Earthed & un Earthed cable & why these are used?
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Bondy111
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#1

Re: H.T cable

04/18/2009 10:52 AM

In an earthed cable, the three phase of a cable are earthed to a ground.Each of the phase of system is grounded to earth. Examples are 1.9/3.3 kv, 3.8/6.6 kv system whereas, in an unearth system, the phases are not grounded to earth .As a result of which there are chances of getting shock by personnel who are operating it. Examples are: 6.6/6.6 kv, 3.3/3.3 kv system.

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biswanath.das
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Join Date: Oct 2006
Location: Kolkata, India
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#2
In reply to #1

Re: H.T cable

04/20/2009 2:19 AM

Phase grounded means? Please check..

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PWSlack
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United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
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#3

Re: H.T cable

04/20/2009 3:36 AM

In Wikipedia, there is a lengthy topic on earthing systems. Check out the difference between TT and IT systems for a full explanation.

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