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saheer
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Joined: 7-December 09
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Last Seen: 21st December 2009 - 07:21 PM
Local Time: Sep 3 2010, 06:07 PM
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9 Dec 2009
can any one help me to solve my problem
This is my problem I have to start 90KW air blower motor using auto transformer Having 50%, 65%, 80% taping. I use 5 contactors for controlling start operation. 1 for 65%tapping, 1 for 80% tapping, 1 for disconnecting transformer after completing startring operation, 1 for tr. star connecting and last one is main line contactor. How calculate contactor rating for this type starting. kks |
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Lo-Fi Version | Time is now: 3rd September 2010 - 05:07 PM |