Single-Phase Motor Calculation

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medoo Participant Join Date: Dec 2009 Posts: 4	Single-Phase Motor Calculation 12/16/2009 3:30 AM
	IWOULD LIKE TO ASK ABOUT SIGLE PHASE MOTOR ( CAPCITOR MOTOR) WHEN WE CONNECTED PHASE AND NUTERAL 220V 50 HZ AND MOTOR START WORK THEN WE MEASUR VOLTAGE BY AVO WE FOUND 380V ON CAPCITOR WHY VOLTAGE INCREASE TO 380V PLS IF ANY ONE NO THIS CALCULATION /PHASER DIAG.
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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	#1 Re: SINGLE PHASE MOTOR 12/16/2009 3:36 AM
	http://en.wikipedia.org/wiki/Induction_motor#Single_Phase Please turn off Caps Lock. Many readers consider it akin to SHOUTING, and rather rude. __________________ "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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medoo Participant Join Date: Dec 2009 Posts: 4	#2 In reply to #1 Re: SINGLE PHASE MOTOR 12/16/2009 3:50 AM
	SPIKE MILLIGAN
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Yuri B. Power-User Join Date: Jun 2009 Posts: 262 Good Answers: 1	#3 Re: SINGLE PHASE MOTOR 12/16/2009 1:28 PM
	Caps Lock lost? The start winding on which the capacitor "sits" is longer than the run winding. Induction motors are like transformers. The applied to the run winding 230V induce in the (longer - more turns) start winding a much greater than 230V voltage.
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medoo (1); PWSlack (1); Yuri B. (1)

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