SYNCHRO-SYM Technologies



For Our Clean, Efficient, & Sustainable

Energy Future


The original rare earth permanent magnet (RE PM) and back-iron disks of high permeable core materials, which are required to complete the magnetic circuit path through the air gap of MAGNAX, should be replaced with similar dimensioned back-iron disks of low core loss laminated electrical steel (because the rotor of the SYNCHRO-SYM retrofit is now actively contributing to electromechanical power production). Although SYNCHRO-SYM can retrofit MAGNAX’s Yokeless and Segmented Armature (YASA) form with concentrated windings, SYNCHRO-SYM prefers a simpler NN-Torus-S (or better, a single sided air gap) form for better cooling, better structural robustness, easy stacking for incremental increases in power, but more importantly, for accommodating the rapid additive manufacture of axial flux electric machines with high performance amorphous metal ribbon for an additional level of motor efficiency (as only provided by MOTORPRINTER).


Also, BEM developed a Computer Aided Design tool (called BEM-CAD) for SYNCHRO-SYM with a selectable mode of operation that optimizes the axial flux core design for the convenient placement of active cooling vents and brushless real time emulation control (BRTEC) within the otherwise wasted annulus space of the axial flux core between the outer diameter of the axial bearing bezel and the inner diameter of the axial-flux magnetic core (including end turns) for an additional level of motor power density.


All electric machines are in accordance with these electric machine characteristics.



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