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/diy/ - Do It Yourself

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1392738 No.1392738 [Reply] [Original]

Any fags here who know about ac motors?

>> No.1392743

bump. Im having some problems.

>> No.1392748

>>1392743
post a question that at least hints at some intelligence on your part.

>> No.1392750

>>1392748
Im not intelligent, thats why am asking you.

>> No.1392752

If you use DC current they become heaters

>> No.1392753

>>1392752
Cool but, not what im looking for.

>> No.1392760

>>1392738
post the question

>> No.1392761

>>1392760
How do i know if the coils are broken? Im suspecting they are, but im not entirely sure, and dont have the time to disassemble it.

>> No.1392762

>>1392761
>obtain circuit diagram of windings
>check continuity where there should be
>check insulation where there should be

>> No.1392764

>>1392761
>and dont have the time to disassemble it.
if you're too lazy to take off the cover and sort thru the wires and check them with a multimeter, just throw it in the trash

>> No.1392766

>>1392761
you dont have time to disassemble it but you have enough time to sit on 4chan and beg for an easy solution to the problem that you didn't even include in your original post

>> No.1392781

>>1392762
Thanks!

>> No.1392788

>>1392738
Straight person here, too bad I wasn't asked, because I have a lot of info about AC motors.

>> No.1392805

>>1392764
this. also stop posting to r/diy

>> No.1392813

>>1392738
Sage

>> No.1392953

saaa-gue

>> No.1393006

>>1392953
>>1392813
Pssst, hey new fags, sage goes in all fields. That includes the name field.

>> No.1393007

>>1393006
Also notice how the reply count increased even though you both "saged"? That means its not working.

>> No.1393019
File: 33 KB, 618x148, Screen Shot 2018-05-25 at 10.49.41 AM.png [View same] [iqdb] [saucenao] [google]
1393019

>>1392813
>>1392953

>> No.1393022

>>1392738
You'll need a meg-ohm meter and set it to test at a voltage slightly higher than the operating voltage. You'll rarely find an open winding, what happens is the insulation on the windings will break down and arc across each other under load. Sometimes you'll find a dead short, too, but in all my years of dealing with this crap, I've only seen that happen a couple of times. Circuit protection will usually trip before the windings get hot enough to burn all the way through to the core.

>> No.1393025

>>1392738
1. Open the connection box and smell it.
2. Use an avo meter to check the phases. U1-U2, V1-V2 and W1-W2.
3. Use an megger to measure U1-V1, U1-W1, V1-W1, U1-EARTH, V1-EARTH and W1-EARTH.

The megger is set to higher voltage then L1-L2. Let us know what comes out of this.

>> No.1393096

>>1392788
We all know you like dudes

>> No.1393256

>>1392805
>r/diy
you need to go back

>> No.1393265

>>1393256
I think he said it ironically, friend

>> No.1393282
File: 394 KB, 800x469, ohyesmydear.png [View same] [iqdb] [saucenao] [google]
1393282

>>1393025
quite pungent indeed...is that....dare I say....sssssssnniff...eggs I smell?......sniff sniff....hmmm...yes...quite so my darling....sniff....quite pungent eggs yes very much so

>> No.1393317

>>1393007
It's not bumping the thread, silly.