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Join Date: Dec 2007
Posts: 1

Circuit diagram for single phase to 3 phase supply

12/07/2007 12:10 AM

Hi,

I have a 3 phase 3 hp submersible motor whereas I have single phase power supply.I need circuit diagram to build a 3 phase from single phase supply.

kindly help.

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Anonymous Poster
#1

Re: Circuit diagram for single phase to 3 phase supply

12/07/2007 12:41 AM

Dear ,

there is nothing impossible in electrical now a days.u can start ur motor with single phase but you have to use the capacitors circuit to convert the single phase to three phase(it will change the phase angle).simillarly as we r doing it for our fan.i will give the ckt. later.

thank you and best regards,

naveen

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#2

Re: Circuit diagram for single phase to 3 phase supply

12/07/2007 12:42 AM

Hello manjubnm,

This appearsto be a popular question.....

There was a recent answer on this forum to this exact question.

Please have a look here:

http://cr4.globalspec.com/thread/14334#newcomments

That will save me typing it out, all over again.

Note that Topic asked re "two phase input", but the Topic Poster really meant single phase.

We would need to know the specifics of the motor you intend to use, make, model, speed, etc, before specific circuit could be given.

If you still need advice after reading that earlier Topic, please reply here, thank you....

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Anonymous Poster
#4
In reply to #2

Re: Circuit diagram for single phase to 3 phase supply

12/12/2007 10:58 PM

hello,

There is another provision for that you can use VFD for tis application where you can give input 1Phase and get the out put 3 Phase

Regards,

Vijay

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#3

Re: Circuit diagram for single phase to 3 phase supply

12/12/2007 5:13 AM

Contact your nearest electrical wholesaler/retail supply company and they will solve the problem in 2 seconds

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"Multa ferunt anni venientes commoda secum, Multa recedente adimiunt". (The years as they come bring many agreeable things with them; As they go they take many away).
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