How To Identify Unmarked 6-Lead Three-Phase Motor Leads

https://www.google.com/search?sourceid=navclient&aq=&oq=How+to+identify+unmarked+6-lead+three-phase+motor+leads&ie=UTF-8&rlz=1T4ADRA_enUS420US421&q=How+to+identify+unmarked+6-lead+three-phase+motor+leads&gs_l=hp....0.0.0.953...........0.j_LKHlh6MyA

Have you contacted the motor manufacturer? What did they say?

http://www.firstelectricmotor.com/motor_connections.htm

First of all you separate all the wires and then you do this...

You first find the winding ends using a continuity meter marking each winding end as "A" "AA", "B", "BB", "C" , "CC". use a 6 volt battery and a center zero galvanometer, connect the galvo to one pair and noting which ends are connected to the + and - of the meter, mark the winding ends as you have connected them to the meter.

Connect one of the other winding ends to one terminal of the battery and just touch the other end to the other terminal of the battery and note which way the needle of the meter moves, either to the left of the right, repeat until all the windings are done and with each test the meter needle moves in the same direction. This is called a "flick test" and if you leave the battery connected to the winding the meter will not move hence you only quickly touch the battery terminal with the winding end.

You now have found the correct polarity of all three windings, so you should have three ends with a +, and three with -. Make your star point from the three + ends and connect the other three ends to your supply.

Or if you need a delta configuration, you connect "+" to "-",until you have a loop and connect your power supply to the three junctions

Some possibly good links here (which I did not read!) as identifying the motor phases is relatively simple. If you find 3 field connections that are connected, you could have a short circuit between fields......

But do make sure that you connect its as a "WYE" or "DELTA" as required....which as far as I can tell you give/have no indication of, because you don't probably know what I am talking about!! Now that is important and will possibly have something to do with the starter that your are using!! So get some accurate starter infos.

In my limited experience, some starters start in Delta and switch to Wye for running....but don't trust me implicitly on this, you need to find out 100% accurately...I do not want to mislead you...

At the end of the day, you may need a particular direction of rotation, so be prepared for it to be wrong when you start it the first time!! To reverse direction, swap two phases, leave one as it is!!

If you can remove say a belt, to prevent something being driven backwards (you did not say what it drives) to prevent possible damage, that would be a good idea till the correct direction is achieved...I assume you know which direction is needed.....

If any of this is something new, you really ought to let a professional handle it.....my impression is that it is practically all new to you!!

This is basically "Electric motors 101" and should be understood by anyone trained for this.....

The starting order is wye (star), then delta.

Usually, but I have had a LOT of experience with "Wye" only....including some pretty big motors...

Lets agree that both are possible! As I believe I indicated!!

Did you start any of those wye motors in delta first?

None.

"Knowing the exact right thing to say, I said nothing"-- Mark Twain

(I refer you to your motto)

Either you did not read what I wrote, or you did not read it with comprehension....

Try reading it again!

But you were obviously not sure of yourself, or you would never, ever have posted as a troll!!

Obviously you do not follow your own MT motto either!!! How awkward, just as well you posted as Anon!!! Red face anyway?

You guys are really sweeping the floor to try and drum up some mistake, sorry, you failed again....or please quote exactly, in context, what I posted wrongly!!!

I will take it that if you cannot find anything you won't post again on this point at least, but let us see what you can find/fabricate. I'm ready!!!

"In my limited experience, some starters start in Delta and switch to Wye for running....but don't trust me implicitly on this, you need to find out 100% accurately...I do not want to mislead you..."

So,in your limited experience (your own description),how many start in Delta then switch to "Y"?

And ,no,I would not trust you implicitly on anything,as per your advice,especially electrical in nature.

Experience does not necessarily impart knowledge,as is evidenced by your reply.

So it really is best to say nothing,is it not?

Knowing how vindictive you are,I prefer to remain anonymous.

You should have read your post before posting it!!

If it wasn't meant seriously, it would be REALLY FUNNY!

Talk about someone with a MAJOR chip on their shoulder!!! DUUUHHHH

I think I will call you "Homer Simpson" from now on, each and every time you "appear!" on any forum, that will amuse myself and many others....So here you are "Anal #1" and called Homer!!

So, Hallo Homer Simpson! How is your day up to now?

In case you are not up to speed with 3 phase motors (just like the OP!!), maybe you too should be employing a professional to write your posts too!!

Actually, if he is as big a beginner as I think he is, he should be employing someone to do the work!!

Beginners need help......but not so much that they try and kill themselves....

I must admit that its many years since I worked on big 3P motors and I would get myself back up to speed before doing so by consulting a professional, or even getting him to do the work, if the need arose, which is highly unlikely....

Me making a minor mistake in a post must make you really happy, we have a name for such people here that you may even understand "Schadenfroh!"

Its not very positive for you though!! Mostly the opposite!!!

See you later Homer!!

SO IT WAS YOU!!!

WELL DONE FOR "OUTING" YOURSELF!!!

Did I understand you correctly you were/are Anon #1?

I hate trolls, I also feel that I am free to call them almost ANY name that I wish to use.....I can get quite inventive! (you MAY have noticed!) Name calling is nothing really.

JJ on US TV has said many times "Sticks and stones....." etc..

I have yet to see a "nice" post made by a troll....there must be one somewhere....but WHERE?

The fun thing is that only THEY know who they are and try not to be uncovered, but most are quite easy to ferret out, just by reading back in the blog - they will usually have a losing an argument, lost their cool, made a stupid statement and and and. You don't have to be Sherlock Holmes!!

Dear HiTekRedNek, I respect your posts (I may not agree with them though!) when they are seen to come from you personally and not under a further Anal name!!

Have a great day!!

PS. There are some other trolls here that could never ever "out" themselves!!! I will reserve my special names for them now....have a great day really!!

PPS. I loved my school's Debating Society.....CR4 is very similar....you make sure of your facts, quote source and use them correctly....(simply put!)

We're already anonymous (as long as we choose to be). No one here will take offense (offence) if you politely correct their mistake and can either explain why it is incorrect or provide reference. We are all in this to share and learn. I have certainly learned much from my time on this forum. If you want to take pot shots at someone, be prepared to receive as well.

Perhaps you would want to create an alternative identity using a different email account and that way you could be Dr. Jekyll one day, and Mr. Hide the next depending on which persona you wished to convey.

Cheers!!

Many thanks. Good post.