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[SOLVED] 3 phase supply detection

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milind.a.kulkarni

milind.a.kulkarni

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Hi to all ,

I want to detect the all the phases are present in 3 phase supply or not using PIC micro-controller.....

I will be very happy any information on this project......did any body tried this project....

Thanking you in advance....

milind
 

I remember many threads related to this topic. The "similar threads" link below should give a first idea.
 

Hi FvM,

I don't found any link in your post.....Also I had did some search on forum but could not found any thing useful in that for the point that I am looking for.....Can you please share the link that you are intended to be.....

Thanking you and waiting for your reply

milind
 

I don't found any link in your post
Click to expand...
I was referring to "Similar Threads" on the bottom of the page. E.g. the first thread "how to detect phase unbalance" is discussing different options for 3-phase supply monitoring. And there are surely more, because this is a serial topic at edaboard.

In my view, it's necessary to clarify the specification in a first step. If presence of a true three-phase voltage system is required, you need to measure the interphase voltage. Having all three interphase voltage magnitudes around the nominal value also verifies, that they have 120° phase shift. Voltage to neutral check may or may not be required, also phase sequence (rotation direction) test.
 
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