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boby
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Joined: 25-September 06
Profile Views: 544*
Last Seen: 29th January 2010 - 06:26 AM
Local Time: Mar 15 2010, 04:41 AM
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12 Jan 2010
I have one faulty HT energy meter and i want to replace that with new meter and i want to do it in Live ( without interrupting power) for that i have remove Ct & PT connections. In live we should not open CT secondary terminals . Normally 6 connections will come from 3 phase 3 CTs and by shortning each S1 S2 i can open the secodaries and i can chane the energy meter in live its like CT secondaries are in delta connections but here three CT secodarires are connected in star ie all S2 terminals are connected together and i have 4 wires from 3 Cts in this case where i have to short CT secondaries is it possible or not ?
Also i want to know what is the diffrence between Ct secondary Delta connections & Star connections ? Normally LT Distribution we will have 6 terminals will come three phase CTs and what will happen if i connect these in Star connctions ?
21 Dec 2009
How to choose rating of capacitor for a single phase induction motor ? is there any standard calculations or is there any selection chart like KW-MFD
7 Sep 2009
In VFDs what is the difference between Ramp Up or down time setting and accekeration setting ?
11 Jul 2008
While designing LT Circuit breakers the breaking capacity and short circuit of the breaker depends on what factors. incoming supply is feeding through 16 MVA power transformer .
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Lo-Fi Version | Time is now: 14th March 2010 - 11:11 PM |
3 Oct 2007 - 6:32