project report based on motor control center

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chirag28891 Participant Join Date: Jul 2011 Posts: 1	project report based on motor control center 07/19/2011 10:22 AM
	why motor being trip due to overheating?
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lyn Guru Join Date: Oct 2008 Posts: 42355 Good Answers: 1693	#1 Re: project report based on motor control center 07/19/2011 10:34 AM
	Over loaded, or under powered.
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redfred Guru Join Date: Dec 2008 Location: Long Island NY Posts: 15600 Good Answers: 981	#2 Re: project report based on motor control center 07/19/2011 10:42 AM
	The most common reason I've found is operator error. __________________ "Don't disturb my circles." translation of Archimedes last words
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PWSlack Guru 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. Posts: 32175 Good Answers: 839	#3 Re: project report based on motor control center 07/19/2011 10:43 AM
	The answer is in the question. __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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kvsridhar Guru Join Date: Sep 2009 Location: Temporarily at Ashburn, VA Posts: 2744 Good Answers: 164	#4 Re: project report based on motor control center 07/19/2011 11:04 AM
	The motor doesn't trip. If run long enough, it may burn. It is the protective relay which trips, and cuts off power to the contactor which supplies the motor. As to why it should trip, that is its raison d'être __________________ Nothing worthwhile can ever be taught, it can only be learnt.
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redfred Guru Join Date: Dec 2008 Location: Long Island NY Posts: 15600 Good Answers: 981	#5 In reply to #4 Re: project report based on motor control center 07/19/2011 11:17 AM
	I've seen electric motors with built in thermal switches that require a manual reset (push button) when tripped. So the motor itself maybe tripping. Then again maybe you're correct and an external relay is tripping. Then again with the sparse amount of information from the OP, this could even be a virtual motor being used in a simulator. Where the OP has virtually wired 220VAC to a GUI motor icon that defaults to a 24V DC servo operation. This would quickly generate a project report error for this poor little overdriven virtual motor. __________________ "Don't disturb my circles." translation of Archimedes last words
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kvsridhar Guru Join Date: Sep 2009 Location: Temporarily at Ashburn, VA Posts: 2744 Good Answers: 164	#6 In reply to #5 Re: project report based on motor control center 07/19/2011 11:34 AM
	Oh yes, thanks for reminding me about that one ... Klixon was one such? Not seen in India though. This is about as close as we will get to 'how flashlight work?' i suppose. i did see one about how to connect a lamp, but the lamp did look complicated and maybe that question was justified ..... __________________ Nothing worthwhile can ever be taught, it can only be learnt.
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JRaef Guru Join Date: Sep 2006 Location: California, USA, where the Godless live next door to God. Posts: 4665 Good Answers: 804	#7 In reply to #4 Re: project report based on motor control center 07/19/2011 12:37 PM
	*◊ "As to why it should trip, that is its raison d'être"* ◊ Love that answer! __________________ All I every really wanted to be, was... A LUMBERJACK!.**
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kvsridhar Guru Join Date: Sep 2009 Location: Temporarily at Ashburn, VA Posts: 2744 Good Answers: 164	#8 In reply to #7 Re: project report based on motor control center 07/19/2011 8:40 PM
	In retrospect, rather nasty, i realise, given the OP's 'wot dat' level... __________________ Nothing worthwhile can ever be taught, it can only be learnt.
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lyn Guru Join Date: Oct 2008 Posts: 42355 Good Answers: 1693	#9 In reply to #8 Re: project report based on motor control center 07/19/2011 8:57 PM
	_Elitist!
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kvsridhar Guru Join Date: Sep 2009 Location: Temporarily at Ashburn, VA Posts: 2744 Good Answers: 164	#10 In reply to #9 Re: project report based on motor control center 07/19/2011 10:50 PM
	_{You bet !} __________________ Nothing worthwhile can ever be taught, it can only be learnt.
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lyn Guru Join Date: Oct 2008 Posts: 42355 Good Answers: 1693	#11 In reply to #10 Re: project report based on motor control center 07/19/2011 11:13 PM
	Have two or three for me. Cheers!
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pnaban Guru Join Date: Jun 2010 Location: srilanka Posts: 2725 Good Answers: 5	#12 Re: project report based on motor control center 07/20/2011 12:20 AM
	You must check current,load applied,bearings,ventilation,IR etc __________________ pnaban
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JRaef (1); kvsridhar (4); lyn (3); pnaban (1); PWSlack (1); redfred (2)

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