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.
Other videos to watch
STAR DELTA STARTER VIDEO • star delta starter con...
TIMER VIDEO • Delay Timers Explained...
FORWARD REVERSE WIRING DIAGRAM VIDEO • forward reverse switch...
FORWARD REVERSE WIRING VIDEO • forward reverse motor ...
CONTACTOR SELFHOLDING VIDEO • The Self-Holding Push ...
contact me here
[e-mail]
follow me on Twitter / davidssengendo
like my Facebook page / electreca1
support electreca here
www.paypal.com...
Buy contactors here amzn.to/39iW0p2
Push buttons amzn.to/3qN2DpN
AI Digital Multimeter amzn.to/2R1Q2mp
Need a float switch amzn.to/34TZStI
Disclaimer: ELECTRECA is a participant in the Amazon Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to www.amazon.com

[@alialshammari4985]

Very gorgeous illustrations, simplifying the lessons, thank you brother, please don’t stop your excellent work

[@electreca1]

Thanks for watching

[@jollyscaria1922]

Vrey good my brethres thankyou gueswelcomed

[@silviamalatji9680]

Excellent

[@hardiahsingh6739]

Very illustrative teacher , teaches very patiently. Very good.

[@electreca1]

Thanks, I appreciate that.

[@joser6788]

It’s one of the simplest videos I ever seen to explain motor troubleshooting thanks brother !

[@laurentianvmx1692]

We have a bad compressor motor, this video will be useful for testing thank-you !

[@rscelectrical7091]

Nice job: Short and to the point

[@glendagorogokunia9442]

Great job My one body colour.. Continue with what you have done.. ❤️💯♥️🙏💪

[@electreca1]

Thank you, I will

[@lancemanning4944]

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]

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]

Me also first test the motor with multimeter and then with the megger

[@ManVsOven]

Good video, short and to the point (or NO short, means good motor 😁😁)... thanks !!!

[@electreca1]

Thanks for watching!

[@larrybassik2768]

Best Video On This Topic & Easy To Understand

[@electreca1]

Thanks for liking

[@allfaizal]

Simple and very easy to understand

[@pjwendy1]

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 🙏🏽….

[@jorgeaguila6774]

Great Job very thorough explanation Thank you🤙🏻🤙🏻

[@mohdiqbalmuhammady4920]

Thank you sir
understand very clearly
you are the best teacher

[@Sbrabson04]

Outstanding teaching

[@bahtatesfu2187]

Amazing explanation, keep it up the good job!!

[@ypaulbrown]

thank you , best wishes from the USA, Paul

[@electreca1]

Thanks for watching

[@takethe101totarzana4]

Nicely done. As others have posted, nice and simple explanation. Thanks for sharing.

[@fundileani1007]

Very good 👍 Explaination

[@olemaillimo481]

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]

Thank you

[@realmechatronics4771]

Very helpful video brother.Thanks a lot

[@mathewsnyirenda4004]

Great works indeed. I do enjoy your videos.

[@electreca1]

Awesome, thank you!

[@HoodNgwira-gi6kt]

I enjoy your explanation man!!you are great

[@electreca1]

I appreciate that!

[@paperchaser_dc6371]

Great job ENGINEER 🤝

[@dawittesfaye1119]

thank you bro now i know how to fix my connection

[@Engr.Duceysane]

Thanks bro from Somalia

[@mohammedahmed-tc5bh]

your tech is simple and light understand me

[@scholesred1833]

Very informative thankyou sir very easy to understand

[@sekyanzinathan7521]

Sekyanzi Nathan. Thanks for such a good video, I appreciate yr time.i would like to show me how motors are grounded. thanks.

[@dienteedavis7495]

I love this teaching

[@Xxxcappie23]

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]

Will do soon

[@alexdelgado9231]

Great explanation thank you sir!

[@electreca1]

You are welcome! and thanks for watching

[@motionsick]

Great videos and nice watch!

[@Hewagej]

So helpful video

[@benjoemarperenia5436]

new subscriber here.. from philippines

[@electreca1]

Thanks for subbing!

[@manuelkay6053]

So clear..thank you

[@vaingalauti5249]

Short and sweet toko ... nice video much is learned

[@CollinsAyoma]

Wonderfully done

[@mensahadjei4072]

I like your teachings ,

[@electreca1]

Glad to hear that

[@jnolette1030]

That was nice and simple thx

[@shareefbin-alli9319]

Great job 👍

[@Tulfonatic-sarcasticsm]

Great video, but more accurate if you use insulation meter than tester... more powerr

[@pjwendy1]

Insulation resistance test or integrity

[@kylecalling-df3in]

My guy! Is that your watch I hear running?!? Wow!! I think I can hear your watch running!

[@night_grinder1378]

Very good good explanation

[@devendrankannaiyan5158]

Thank you 👏👍🙏

[@ypaulbrown]

hoping to learn more and subscribing to your channel.....Cheers, Paul

[@drugbatko]

thank you man

[@alexsohaile6280]

It ist very useful to ,so Thank you

[@wilsonstrickland8967]

Dude, THANK YOU!

[@abderrahmanerad1364]

thanks brothers , i really appreaciate it

[@electreca1]

Thank you

[@DEREJE-p7e]

Thank You our blak star

[@lawoull.6581]

Awesome video brah.. we always learning.. * megger ⚡

[@rael5469]

Your watch is fantastic.

[@ahubleydan2434]

good ! well explained .

[@abdurrahmanbuschnafa2096]

Thanks a lot

[@RaymondBurton]

That was so helpful. Thank you

[@electreca1]

Your welcome and thanks for watching.

[@doc-holiday]

nice i like this video so simple to understand

[@RameshRamesh-m8c2h]

good explanation bro

[@vicky_creation_editz6287]

Good explain

[@Inoce-dk6ey]

What is the acceptable resistance between u1 and u2

[@yonelachristopher6689]

Thanks for the great video

[@matthewobrien2066]

Thank you for the help

[@KashiShk-x1s]

Good 👍

[@MinhHDang]

Great video!

[@eliaskihanda7268]

Keep it up bro nicely

[@molemomashapa6725]

When you test windings and earth and find readings what could be the problem??

[@nsengiyumvaemmanuelpetit8410]

Wonderful ma bro

[@ansaalam9663]

Nice bro

[@ebenezerebenezer7251]

Great one bro

[@muhammedlahir7569]

Thank you brother

[@brunogina3329]

Thanks sir

[@wilsonjudy9515]

i really liked your video.....big up

[@electreca1]

Big thanks

[@stuartsmith4307]

yeah thx ma man good show bro

[@mangodishim1]

Thanks

[@pjwendy1]

But you’re doing great brother….

[@opiyomoses5396]

Nice one

[@simonkigenii9564]

More videos please bro

[@diegocedeno8671]

Thank u

[@abuzafor9981]

Good job

[@ebrimabah3418]

Thank you

[@tinoarmin380]

What the ohm value of the coil in the 10hp motor 3 phase?tq

[@badshahengineeringvlogs9718]

Very nice

[@rubenbrunohuaracha1920]

Genial mi morenas entendí algo, cuando algo se explica bien no hay barrera de idioma

[@seimela]

Very Many testing b😂❤❤❤

[@Paigemedlin-r7y]

Word up Ericsson!!

[@mortenlund1418]

Thanks for sharing

[@electreca1]

Thanks for watching!

[@vmercado5290]

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]

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]

ua-cam.com/video/MkXq06GAF7w/v-deo.html

[@osavimbiosizwe]

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

[@christophercolumbus8944]

if something is shorting ? the motor starts ..... but then it stops after a few seconds yes?

[@richardamissah5284]

Pls sir what type of clamp meter are using

[@agabaesco5924]

Thank you sir.

[@electreca1]

Most welcome

[@redcardinal3522]

Cool picture man

[@electreca1]

Thanks for watching

[@sheunesumashonganyika8106]

What is the range. Mega ohm , kilo ohm or ohms

[@Asantepaul80]

Nice explanation, but my question is how much resistance should a motor have to ground?

[@alexsotelo7176]

Your winding to ground should always read OL on your meter. Any other reading means your motor has shorted to ground

[@yaredmamo846]

​@@alexsotelo7176ሴ

[@Industrial0244-Controls]

Please a lessons on a selector volt meter switch and also selector ammeter switch I don’t understand the the RT N MORE on the switches please

[@electreca1]

ok ill plan it
thanks for watching

[@dienteedavis7495]

I'm Dientee Davis from Tuna Savannah

[@georgiojansen7758]

after your vid, i tested my 18.5kw motor
all good, would a megger test be needed

[@electreca1]

Apart from continuity and short circuit that the multimeter can measure at 100 per cent, It may be difficult for the meter to detect insulation that has just begun to wear out
Yes, Amegger would be needed for the insulation test.
Thanks for watching.

[@jeremybrown9611]

Dope vid bruh

[@electreca1]

Thanks for watching

[@Endaziyar_xeyri]

well done by the 3 way we can be test the motor is working or motor is feult

[@electreca1]

Most likely you will perform those tests on Motor you think is burnt or behaving abnormally.

[@Endaziyar_xeyri]

@@electreca1 excellent

[@snakhoprotus5211]

Please do a SINGLE PHASE MOTOR TEST

[@nicodemuskasina1210]

Hello, I want to know control wiring diagram of a eot crane

[@tibenkanahafizu8926]

Please take me through single phase generator parts