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q8
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Join Date: Nov 2010
Posts: 9

Use of CVD for Interlocking

10/02/2014 12:28 PM

Hi, just I want to ask that is it normal practice to use CVD signal for interlocking for feeder earthswitch in 11 kV switchgears or not?
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jack of all trades
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#1

Re: Use of CVD for Interlocking

10/02/2014 2:22 PM

What's CVD stand for and what country is the equipment in?

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SolarEagle
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Join Date: Mar 2007
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#2

Re: Use of CVD for Interlocking

10/02/2014 3:23 PM

Capacitive Voltage Divider...?

http://www.dbc.wroc.pl/Content/3458/high_voltage_engineering.pdf

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raghun
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#3

Re: Use of CVD for Interlocking

10/03/2014 3:01 AM

That is for confirming that the feeder is not energised from remote end (for some reason). Yes, it is a good practice, at 11kV or any voltage level.

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q8
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#4
In reply to #3

Re: Use of CVD for Interlocking

10/08/2014 3:38 PM

WHICH MAKE ?
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