Re: Is this motor synchronous?

• To: "'Tesla List'" <tesla-at-pupman-dot-com>
• Subject: Re: Is this motor synchronous?
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Wed, 24 Dec 1997 22:09:44 -0600
• Approved: tesla-at-stic-dot-net

From: 	Jeff W. Parisse[SMTP:jparisse-at-ddlabs-dot-com]
Sent: 	Wednesday, December 24, 1997 4:03 PM
To: 	Tesla List
Subject: 	Re: Is this motor synchronous?

Gary,

What you want is a Salient Pole Synchronous motor. A motor  that not only
snycs to the line frequency but does so in such as way that a given armature
position (relative to the stator) equals a given point on the AC waveform.

One can modify a sync motor to become a salient pole sync motor by milling
flats in the armature. Details of this process can be found in Brent
Turner's
book (bturner-at-apc-dot-net) or by asking around in this forum (I've never done
it,
I purchased my Slaient Pole syncro from Brent).

Jeff W. Parisse, Art Director
Digital Design Laboratories
www.ddlabs-dot-com


>Is it possible for a motor to be synchronous but at an arbitrary and
>variable phase?  Is this motor unsuitable for a sync RSG, or is my
>analysis technique flawed?
>
>Gary Lau
>Waltham, MA USA

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