[TCML] How To Turn A Vacuum Cleaner Motor Into A Synchronous Motor
teslalabor at t-online.de
Fri Dec 17 01:02:11 MST 2010
the sound didn't change very much of course it now sounds like 3000 1/min
instead of 11500 1/min and there is the typical sound like a modified asynch
motor with flats on its armature when locking in sync.
----- Original Message -----
From: "David Dean" <deano at deanostoybox.com>
To: "Tesla Coil Mailing List" <tesla at pupman.com>
Sent: Friday, December 17, 2010 2:06 AM
Subject: Re: [TCML] How To Turn A Vacuum Cleaner Motor Into A Synchronous
> Well, judging by the sound of it, that is one unhappy motor.
> Did the motor make any such noise before the modification?
>> today I modified a 400W universal motor from a washing machine. I used 2
>> diodes each 1kV/6A. I did a scope test which shows that the motor runs
>> perfectly sync:
>> But there are 2 problems: The motor is not self-starting AND the motor
>> sometimes runs in "crazy mode", as I call this strange behaviour.
>> "normal-mode" and "crazy-mode" - both can be seen in the video.
>> Best Regards
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> Tesla at pupman.com
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