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Exro Technologies Inc T.EXRO

Alternate Symbol(s):  EXROF | T.EXRO.WT | T.EXRO.WT.A

Exro Technologies Inc. is a clean technology company. The Company is engaged in developing power control electronics that expand the capabilities of electric motors and batteries. Its technologies include e-mobility (Coil Driver) and stationary energy storage (Cell Driver). The Coil Drive technology is an adaptive traction inverter that replaces the standard 3-phase inverter in electric vehicles. Utilizing its patented coil switching technology, the Coil Driver enables the motor to dynamically switch between two modes, series mode optimized for high torque at low speeds, and parallel mode optimized for high power and efficiency at high speeds. The Cell Driver technology is a fully integrated energy storage system designed for commercial and industrial applications. Its SEA-Drive power system provides a complete e-propulsion solution to original equipment manufacturers. It encompasses everything from high-capacity batteries and electric motors to next-generation control units.


TSX:EXRO - Post by User

Post by Wriggleson Dec 05, 2023 1:20pm
281 Views
Post# 35769408

Magic

Magic
The "magic" can be seen with EXRO's simulation results for induction motors.  As Sandy highlighted, EXRO 'can make an induction motor do everything a Permanent Magnet (PM) can do.'
 
As I understand it, induction motors do not employ rare earth magnets, which can contribute up to 50% of a motor's cost.  They  do not provide as much torque as a PM motor, so they typically  are used as secondary motors for speed.  If you can make a cheaper, induction motor do the same job as a PM motor, then that is innovative.
 
Sue recently talked about how its simulation results were instrumental in EXRO being selected as the Innovation Project partner.  This is what the simulation results demonstrated for an induction motor (from EXRO's White Paper "Improving EV Cost, Efficiency, and Performance"):
 
"In series mode, the machine produces 18% more torque while in parallel mode, the machine generates a staggering 70% more power at 10,000 rpm. The machine also exhibits an expanded +96% efficient operating zone."  
 
Impressive!...significantly higher torque and power across the entire speed range.
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