[GreenKeys] is my Model 15 motor shot?
Bruce Gentry
ka2ivy at verizon.net
Wed Apr 5 20:54:29 EDT 2017
Three and a half ohms resistance through the motor doesn't sound
unreasonable. The governed motor is series wound, and has a low
resistance, the synchronous motor has both the start and run windings in
paralell when the motor is stopped. Which motor do you have? Is it
refusing to start?
Bruce Gentry, KA2IVY
On 4/5/17 8:32 PM, Bruce Phillips wrote:
> Hi,
>
> I suspect it's OK.....if the fuse did not blow, as you said earlier
> then it's unlikely it's shorted. Are you able to confirm it is an AC
> Synchronous Motor, or a AC Governed Motor? My motor is a 50Hz, 110V
> motor (for Australia), so may be slightly different to the 60Hz
> version, but within ballpark....Depending on the multimeter, some are
> not great at measuring low resistance accurately. Did you measure the
> resistance at the motor terminal studs? If so you could check the
> remaining circuit by checking the continuity between the spring
> fingers that connect to the motor, and your power plug. I suspect that
> there is an issue with the motor control relay contacts......you
> should be able to work out where to check from the pic below.
>
>
>
>
>
> On 6/04/2017 8:54 AM, Reggie Moody wrote:
>> Measured 3.7 ohms across model 15 motor windings. Seems low. Could it
>> be shorted?
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