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Delta/Star trafo

5/27/2014 7:14 PM
@nkur Posts: 202 Rating: (16)	Hello Everyone In one of logic i have a Delta/Star trafo. of 6kVA where the neutral point the star connection of the trafo. is connected to the dual speed motor .what is the reason behind such type of connection???
@nkur Posts: 202 Rating: (16)
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5/27/2014 8:27 PM	Rate (0)
Navnag Platinum Member Joined: 11/21/2007 Last visit: 1/8/2026 Posts: 2327 Rating: (309)	@nkur Hello Everyone In one of logic i have a Delta/Star trafo. of 6kVA where the neutral point the star connection of the trafo. is connected to the dual speed motor .what is the reason behind such type of connection??? Dear @nkur Maybe if you upload the circuit diagram, we can get a better idea of the application Cheers Navnag
	There is no such thing as the last bug in a program There are no stubborn bugs, There are only stubborn Debuggers.
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5/28/2014 7:38 AM
jeet2907 Posts: 235 Rating: (52)	@nkur Hello Everyone In one of logic i have a Delta/Star trafo. of 6kVA where the neutral point the star connection of the trafo. is connected to the dual speed motor .what is the reason behind such type of connection??? Dear @nkur, I dont think this type of trafo must be use for dual speed motro.Bcoz in dual speed motor their will be a two defferent winding for high and low speed in its self,so you can directly give three phase to this motor in its different terminal of high and low speed. Can you use the star point of this trafo in your motor connection? if yes than pls provide snapshot of motor and trafo wiring drawing. Kind regards
jeet2907 Posts: 235 Rating: (52)
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5/28/2014 7:47 AM
Chetan2490 Posts: 149 Rating: (16)	jeet2907 @nkur Hello Everyone In one of logic i have a Delta/Star trafo. of 6kVA where the neutral point the star connection of the trafo. is connected to the dual speed motor .what is the reason behind such type of connection??? Dear @nkur, I dont think this type of trafo must be use for dual speed motro.Bcoz in dual speed motor their will be a two defferent winding for high and low speed in its self,so you can directly give three phase to this motor in its different terminal of high and low speed. Can you use the star point of this trafo in your motor connection? if yes than pls provide snapshot of motor and trafo wiring drawing. Kind regards Dear @nkur, I agree with jeet2907, it is better if you share snapshot of motor and trafo wiring hope than you can get satisfy answer
Chetan2490 Posts: 149 Rating: (16)
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5/30/2014 3:34 AM
@nkur Posts: 202 Rating: (16)	jeet2907 @nkur Hello Everyone In one of logic i have a Delta/Star trafo. of 6kVA where the neutral point the star connection of the trafo. is connected to the dual speed motor .what is the reason behind such type of connection??? Dear @nkur, I dont think this type of trafo must be use for dual speed motro.Bcoz in dual speed motor their will be a two defferent winding for high and low speed in its self,so you can directly give three phase to this motor in its different terminal of high and low speed. Can you use the star point of this trafo in your motor connection? if yes than pls provide snapshot of motor and trafo wiring drawing. Kind regards Hi There As per my post i havent mentioned about the a dual speed motor?? An let say what if its dual speed i dont think it would have any effect as we are going to use the same phase but with the contactor logic.please clarify
@nkur Posts: 202 Rating: (16)
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