Stator Slots

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coolyaar Power-User Join Date: Jul 2011 Posts: 286 Good Answers: 1	Stator Slots 08/09/2011 7:21 AM
	I have come to known that induction motors are designed only with a standard set of slot numbers e.g. 24 slot ,36 slots , 48 slots stators and you will not find motors with any given number of stator slots. Do any one have any idea about it and can someone give me the standard values of slot numbers used in single phase / 3 phase motors. Also can some one explain the relationship between stator slots and rotor bars /slots for a cage motor i.e. how much will be the rotor bars for a given number of stator slots.?
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Zlatkodo Active Contributor Join Date: Jun 2011 Posts: 12	#1 Re: Stator Slots 08/09/2011 10:30 AM
	- Number of stator slots for three-phase , double-layer winding must be divisible by 3. - Number of stator slots for three-phase , single-layer winding must be divisible by 6. Single-phase winding can be done for all upper cases + some additional number of slots (16 or 32 for example). Zlatkodo page
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coolyaar Power-User Join Date: Jul 2011 Posts: 286 Good Answers: 1	#2 Re: Stator Slots 08/09/2011 2:50 PM
	tanx a lot. but i did not get the rule you provided for single phase motors slots.can you plz elaborate it a bit with example. regards,
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Randy9 Member Join Date: Aug 2011 Posts: 5	#3 Re: Stator Slots 08/15/2011 5:28 PM
	The stator slots must also be divible by the number of poles in the windings. speed (rpm) = 60*60Hz/poles (less about 1% for induction slippage) (typical poles = 1, 2, 3, 4, 6) Unless you are actually designing a new motor, you should not have to worry about any of this. Pick the size motor with the speed that you need!!
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LarryDAdams Participant Join Date: Aug 2019 Posts: 3	#4 Re: Stator Slots 08/28/2019 12:26 AM
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Kristian Participant Join Date: Mar 2020 Posts: 1	#10 In reply to #4 Re: Stator Slots 03/30/2020 10:00 AM
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Valtor Participant Join Date: Mar 2020 Posts: 3	#11 In reply to #4 Re: Stator Slots 03/31/2020 11:34 AM
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SolarEagle Guru Join Date: Mar 2007 Location: by the beach in Florida Posts: 33392 Good Answers: 1817	#5 Re: Stator Slots 08/28/2019 1:15 AM
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LarryDAdams Participant Join Date: Aug 2019 Posts: 3	#6 Re: Stator Slots 08/28/2019 7:09 AM
	CR4 Admin: Spam: This post was deleted because it contained advertising outside the Commercial Space forum. Please review Section 14 of the Site FAQ about advertising.
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TristanBrown Participant Join Date: Oct 2019 Posts: 1	#7 Re: Stator Slots 10/13/2019 10:13 AM
	CR4 Admin: Spam: This post was deleted because it contained advertising outside the Commercial Space forum. Please review Section 14 of the Site FAQ about advertising.
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Anonymous Poster #1	#8 Re: Stator Slots 10/16/2019 3:38 AM
	CR4 Admin: Spam: This post was deleted because it contained advertising outside the Commercial Space forum. Please review Section 14 of the Site FAQ about advertising.
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Kilve1937 Participant Join Date: Oct 2019 Posts: 1	#9 Re: Stator Slots 10/16/2019 3:39 AM
	Good post
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Anonymous Poster (1); coolyaar (1); Kilve1937 (1); Kristian (1); LarryDAdams (2); Randy9 (1); SolarEagle (1); TristanBrown (1); Valtor (1); Zlatkodo (1)

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