On Tue, 02 Oct 2007 18:42:56 -0500, Louis Ohland
wrote:

Ned Simmons wrote:
On Tue, 02 Oct 2007 15:55:19 -0500, Louis Ohland
wrote:

Ever in search of the most extravagant way to do something (followed
by - They want HOW much?) I've been looking for a 1HP brushless DC
motor... Anyone have leads on such a mythical beast? There is one brand
I know of, the PowerTec, but they come big....

Assuming you're looking for something moderately priced and don't need
a low inertia, high performance motor, look at MCG and the Panasonic A
Series.

Bodine and Oriental Motor have a few choices as well, but I don't
believe anything as large as what you're looking for.

http://www.panasonic.com/industrial/...tors_servo.htm
http://www.motioncontrolgroup.com/pr...ushless-motors

Do you need an encoder, or just the commutation feedback?



Bodine tops out about 1/2Hp.

Commutation? Does this apply to brushless?

BLDC motors are essentially 3-phase permanent magnet synchronous
motors. The most common drive scheme uses Hall sensors in the motor to
tell the drive the relative position between the motor's windings and
rotor. The drive responds appropriately to run the motor at the
commanded speed.

--
Ned Simmons