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Ramasubramanian
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Joined: 4-October 07
Profile Views: 753*
Last Seen: 2nd July 2010 - 10:09 AM
Local Time: Sep 4 2010, 12:37 AM
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22 Dec 2009
A single phase supply will be 230 /22 / 240 V Ac. And when three phase is connected we say it is 440 /415 etc., Some time phase to phase 230V or 440. How you say this. Please explain
10 Feb 2009
Can anyone help us for the following issue?
We have a motor of 500kw - system voltage 6300 V.- Pt is available for secondary source of 110 VAc - Ct is also available which is 75/1amps.- For controlling this motor - Can a Motor Protection Relay of LG -Now LS model of DMP-06 can be used? The specification of DMP -06 is 0.5 to 6Amps- which can be operated by a CT.- this is an electronic motor protection Relay based on micro controller.But this is used to protect LT motors up to 600 amps . Kindly advice.
10 Feb 2009
In a 3 phase supply, we say it is 440 V Ac. In a 1 phase supply we say it is 220 AC. When 1 phase is 220 , logically 3 phase is 660 . How come it is 440 V AC.
5 Feb 2009
Kindly Explain the following:
1. What is a Single phase supply? 2. If it is 220 V Ac then how come three phase supply is 440 instead of 660 V. 3. Kindly explain elaborately.
20 Sep 2008
Dear Friends,
Kindly suggest the suitable VFD for winding applications - in a coil from one spool to another. Regards / VRS |
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Lo-Fi Version | Time is now: 3rd September 2010 - 07:07 PM |
26 Dec 2007 - 12:23