Making Auxiliary Resonant Commutated Pole (ARCP) Work

This paper details the workings of the Auxiliary Resonant Commutated Pole (ARCP) forced resonant soft-switching architecture, which is now commercially valuable because of the advent of Pre-Switch’s AI-based control technology, Pre-Flex™. This article also briefly discusses how Pre-Switch technology can be used to improve electrical motor efficiency and solve significant motor design challenges such as dV/dt (dU/dt), overshoot, and common mode noise. Pre-Switch estimates that before any other system parameters are optimized to take advantage of Pre-Switch’s new possibilities, simply doubling the switching frequency (Fsw) will have a dramatic impact on the quality of the sine waves to the motor resulting in more torque and higher system efficiency from the battery terminals to the driveshaft. These benefits improve system efficiency, reliability, and available torque from low RPM, low torque, through to high RPM at full power output in EV and industrial motors.

Making Auxiliary Resonant Commutated Pole (ARCP) Work

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