RC-Monster Forums - View Single Post - RaserTech, brushless power from induction...

zeropointbug · 12.07.2006, 11:38 AM

Yah, it's very nice piece of engineering. I would rather have it than a neo magnet motor. So simple and durable. All there is would be an aluminum or copper rotor (copper would be smaller obviously and more efficient)

And just the way the motor works, the controller does not have to be that complicated. Basically just variable frequency, and not the specific timing of switching polarities 6 times a rotation. The AC Induction use magnetic slip to create torque, the more 'magnetic slip' the more torque, meaning that the bigger the difference in speed vs. frequency applied the larger the torque will be created. The Rasertech induction, you can use either standard method or their enhanced method which creates higher efficiency, and higher power. Their method, if i'm not mistaken pulses the motor, the motor then self resonates (because of capacitance coupled in series with the motor windings) at it's natural frequency, creating pure sine wave AT the motor.

They had their 147lb. motor creating 500hp, and 550nm (420ft/lbs) of torque for over a minute, thats on air cooling. Imagine liquid cooling...

Who knows, maybe pretty soon we attach battery power directly up to motor, and just give motor a signal to change speed/torque, etc. :027:

serum- Why do you say it wouldn't put out the torque of a brushless motor?

	(#5)
zeropointbug Z-Pinch racer Offline Posts: 3,141 Join Date: Nov 2006 Location: SK, Canada	12.07.2006, 11:38 AM Yah, it's very nice piece of engineering. I would rather have it than a neo magnet motor. So simple and durable. All there is would be an aluminum or copper rotor (copper would be smaller obviously and more efficient) And just the way the motor works, the controller does not have to be that complicated. Basically just variable frequency, and not the specific timing of switching polarities 6 times a rotation. The AC Induction use magnetic slip to create torque, the more 'magnetic slip' the more torque, meaning that the bigger the difference in speed vs. frequency applied the larger the torque will be created. The Rasertech induction, you can use either standard method or their enhanced method which creates higher efficiency, and higher power. Their method, if i'm not mistaken pulses the motor, the motor then self resonates (because of capacitance coupled in series with the motor windings) at it's natural frequency, creating pure sine wave AT the motor. They had their 147lb. motor creating 500hp, and 550nm (420ft/lbs) of torque for over a minute, thats on air cooling. Imagine liquid cooling... Who knows, maybe pretty soon we attach battery power directly up to motor, and just give motor a signal to change speed/torque, etc. :027: serum- Why do you say it wouldn't put out the torque of a brushless motor? “The modern astrophysical concept that ascribes the sun’s energy to thermonuclear reactions deep in the solar interior is contradicted by nearly every observable aspect of the sun.” —Ralph E. Juergens