how to test 3 phase motor with multimeter
Let's learn how to test 3 phase motor with a multimeter
were are testing the following
1) Continuity
disconnect the motor from power and ensure that all the leads are not connecting to each other in the terminal box, test the continuity between each coil contact (U1 U2, V1 V2 and W1 W2) and make sure that there is continuity. if there is no continuity then probably your motor is burnt.
2) Short circuit test
We test short circuit between coils for Example testing between U1 and V1 and so on. There must know continuity between coils if all the 6 leads are out. ( the only exception is when the motor has been connected internally either in star or delta).
3) Resistance
While testing continuity ensures that you record the reading, the reading is determined by the resistance of the coil. The reading between each coil should be the same or the difference should minor.
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Пікірлер: 190
Very gorgeous illustrations, simplifying the lessons, thank you brother, please don’t stop your excellent work
@electreca1
Жыл бұрын
Thanks for watching
@jollyscaria1922
Жыл бұрын
Vrey good my brethres thankyou gueswelcomed
@silviamalatji9680
3 ай бұрын
Excellent
It’s one of the simplest videos I ever seen to explain motor troubleshooting thanks brother !
Very illustrative teacher , teaches very patiently. Very good.
@electreca1
Жыл бұрын
Thanks, I appreciate that.
We have a bad compressor motor, this video will be useful for testing thank-you !
Outstanding teaching
Nice job: Short and to the point
Amazing explanation, keep it up the good job!!
Great Job very thorough explanation Thank you🤙🏻🤙🏻
Nicely done. As others have posted, nice and simple explanation. Thanks for sharing.
Great job! But please note those test are basic without a megger. Insulation resistance test or integrity are very critical, hence, can only be achieved by visual inspection and using a megger 🙏🏽….
Thank you sir understand very clearly you are the best teacher
Sekyanzi Nathan. Thanks for such a good video, I appreciate yr time.i would like to show me how motors are grounded. thanks.
Good video, short and to the point (or NO short, means good motor 😁😁)... thanks !!!
@electreca1
2 жыл бұрын
Thanks for watching!
Very helpful video brother.Thanks a lot
Good clear video. Worth noting that you are only testing with the small voltage from the meter. When checking for faults to earth ideally use a Megger which generates a higher voltage and will expose faults not shown on a multimeter.
@jimkillen1065
Жыл бұрын
Yea when I went to work at a power plant a long time ago , there was a pump motor that was given problem. That was the time I watched the plant manager a old navy electrician use a megger to test . He found the fault and sent the motor out to be fixed . I bought one of those on e bay for my uses
@g-baby262
Жыл бұрын
Me also first test the motor with multimeter and then with the megger
Best Video On This Topic & Easy To Understand
@electreca1
2 жыл бұрын
Thanks for liking
Great job My one body colour.. Continue with what you have done.. ❤️💯♥️🙏💪
@electreca1
Жыл бұрын
Thank you, I will
Simple and very easy to understand
Really nice videos sir.i am really learning something from you here. May good lord bless you and your work you are doing out there
@electreca1
Жыл бұрын
Thank you
Short and sweet toko ... nice video much is learned
thank you , best wishes from the USA, Paul
@electreca1
Жыл бұрын
Thanks for watching
Very informative thankyou sir very easy to understand
Great works indeed. I do enjoy your videos.
@electreca1
11 ай бұрын
Awesome, thank you!
your tech is simple and light understand me
Wonderfully done
Great job ENGINEER 🤝
Very good 👍 Explaination
So clear..thank you
Dude, THANK YOU!
Great videos and nice watch!
nice i like this video so simple to understand
hoping to learn more and subscribing to your channel.....Cheers, Paul
Thanks for the great video
Great explanation thank you sir!
@electreca1
Жыл бұрын
You are welcome! and thanks for watching
I enjoy your explanation man!!you are great
@electreca1
2 ай бұрын
I appreciate that!
Great job 👍
good ! well explained .
I like your teachings ,
@electreca1
2 жыл бұрын
Glad to hear that
So helpful video
I love this teaching
thank you man
That was nice and simple thx
That was so helpful. Thank you
@electreca1
11 ай бұрын
Your welcome and thanks for watching.
Thanks bro from Somalia
thank you bro now i know how to fix my connection
Great video.Can you do a video on a single phase motor. I would like to see the difference between testing single phase and 3 phase.plz
@electreca1
2 жыл бұрын
Will do soon
Thank you for the help
Great video!
thanks brothers , i really appreaciate it
@electreca1
Жыл бұрын
Thank you
Thank you so much
Good explain
Awesome video brah.. we always learning.. * megger ⚡
new subscriber here.. from philippines
@electreca1
Жыл бұрын
Thanks for subbing!
Great one bro
Thanks a lot
It ist very useful to ,so Thank you
i really liked your video.....big up
@electreca1
2 жыл бұрын
Big thanks
Very good good explanation
Keep it up bro nicely
Thank You our blak star
Thank you
Thank you very much
good explanation bro
Thank you brother
Nice one
yeah thx ma man good show bro
Your watch is fantastic.
Wonderful ma bro
Thank you sir.
@electreca1
3 жыл бұрын
Most welcome
Thanks 👍
Good job
Thanks sir
Thank u
Thanks for sharing
@electreca1
2 жыл бұрын
Thanks for watching!
Good 👍
Very nice
Nice bro
Dope vid bruh
@electreca1
Жыл бұрын
Thanks for watching
My guy! Is that your watch I hear running?!? Wow!! I think I can hear your watch running!
Word up Ericsson!!
Great video, but more accurate if you use insulation meter than tester... more powerr
@pjwendy1
Жыл бұрын
Insulation resistance test or integrity
What the ohm value of the coil in the 10hp motor 3 phase?tq
thanks
Super super thankyou
@electreca1
3 жыл бұрын
Thanks for watching always👏👏
Hello Engineer, can you do insulation test for inductiom motor? And i want to know if it's okay to conduct a continuity test when the motor is switch on? Or it should be switched off? Thank you for this video. A great help for us future Engineer
@electreca1
2 жыл бұрын
The motor should be completely disconnect from supply. Remember when carrying out insulation resistance the Mega ohm meter has 500DC volt that it apply to the winding.
@maintenanceengineeringinsider
2 жыл бұрын
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@osavimbiosizwe
Жыл бұрын
Remember that any time a multimeter is used for continuity testing the device being tested must be deenergized. To test a motor for continuity, first isolate, or disconnect, it from the circuit. Then use the multimeter to check the resistance between phases....thank you
Cool picture man
@electreca1
2 жыл бұрын
Thanks for watching
More videos please bro
Good 👍👍
@electreca1
2 жыл бұрын
Thanks
Good
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Pls sir what type of clamp meter are using
When you test windings and earth and find readings what could be the problem??
But you’re doing great brother….
Tnx u sir,plz I need forward and reverse with timer......(wiring diagram) tnx
@electreca1
3 жыл бұрын
tThat video is coming soon.
nicee 1
Hello, I want to know control wiring diagram of a eot crane
Nice explanation, but my question is how much resistance should a motor have to ground?
@alexsotelo7176
Жыл бұрын
Your winding to ground should always read OL on your meter. Any other reading means your motor has shorted to ground
@yaredmamo846
9 ай бұрын
@@alexsotelo7176ሴ
Genial mi morenas entendí algo, cuando algo se explica bien no hay barrera de idioma
👍
Great video....pls so how do you remedy non-continuity between the phases, ground and short circuit faults in the motor windings. Now that we know how to check for faults in a motor...how do we fix any of such faults
@lancemanning4944
Жыл бұрын
Send the motor away to a rewind specialist.
@pjwendy1
Жыл бұрын
…….dump in the bin or recycle 😂 if they aren’t that expensive….
@pjwendy1
Жыл бұрын
….hey sorry, there shouldn’t be continuity between windings but, should have continuity between phases when connected after testing, Star/Delta connections 🙏🏽