en.Wedoany.com Reported - Advanced Electric Machines (AEM) has unveiled an air-cooled, rare-earth-free e-drive system at this year's iVT Expo, available as a matched plug-and-play solution across Europe.

The system integrates AEM's HDRM 150 motor with a matched air-cooled inverter into a single unit, operating at 700V with a peak motor output exceeding 30kW. It will be publicly showcased from June 10 to 11 in Hall 1 of the Cologne Exhibition Center. The core advantage of this system lies in eliminating the liquid cooling required by traditional e-drive systems, which typically add weight, piping, maintenance needs, and potential failure points. By pairing Emsiso's air-cooled H10B inverter with the air-cooled HDRM 150 motor, AEM completely removes this infrastructure, making the drive system easier to integrate, simpler to maintain on-site, with no coolant circuit upkeep or pump failure risks, while reducing packaging constraints for OEM engineers.

The rare-earth-free architecture of the HDRM 150 motor further enhances system simplicity. Traditional permanent magnet motors rely on rare earth elements such as neodymium and dysprosium, whose extraction is geographically concentrated, making their prices and supply vulnerable to geopolitical disruptions. This system simultaneously addresses two of the most persistent barriers in off-highway electrification: supply chain risk and drive system complexity. As a matched plug-and-play solution, the system can be directly integrated into existing platforms, eliminating the need for separate integration and calibration work by OEMs and Tier 1 suppliers. The motor has accumulated over 6.5 million kilometers of operation in real-world deployments.

James Widmer, CEO of Advanced Electric Machines, stated that while permanent magnet motors perform well, the associated supply chain is neither stable nor secure. The HDRM 150 completely eliminates this dependency without requiring OEMs to accept performance compromises or complex integration. Pairing it with a matched air-cooled inverter provides a complete, plug-and-play rare-earth-free e-drive system that is simpler, more resilient, and ready for immediate use.

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