Resources
Technical deep dives, motor topologies, and efficiency compliance.
Use this category to review practical procurement and engineering patterns. Each article is written to reduce ambiguity in RFQ, validation, and production release decisions.
Instead of generic theory, these posts focus on what buyers can send, measure, and approve in supplier communication.
In practical sourcing programs, this category is most useful when its article checklists are copied into internal review templates and then reused in supplier calls, sample sign-off notes, and PO release approvals.
These articles are sorted by publish date and are intended to be used as reusable inputs for your engineering and procurement handoffs.
| Article | Primary Use | Next Step |
|---|---|---|
| Active De-Excitation and Inverter Fault Safety in Magnet-Free EESMs: ISO 26262 ASIL-D, 4-Quadrant Field Forcing, and Crowbar RFQ Guide | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
| High-Speed Rotor Structural Containment for Magnet-Free Motors: Carbon-Fiber Retaining Sleeves, High-Yield Alloy Rings, and Rib Stress RFQ Guide | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
| Direct Rotor Oil Cooling for High-Speed Magnet-Free Motors: Through-Shaft, Rotor Spray, and End-Winding Cooling RFQ Guide | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
| Thin-Gauge Electrical Steel Selection for High-Frequency Magnet-Free Motors: NO20, NO25, and Stacking Tech RFQ Guide | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
| 800V SiC Inverter Stress on Magnet-Free Motors: Stator Insulation, PDIV, and Bearing Protection Guide | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
| Contactless vs. Slip-Ring EESM Excitation: 2026 RFQ Guide | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
| VFD Compatibility with Magnet-Free Motors: SynRM and EESM Sourcing Guide | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
| SynRM vs. EESM in 2026: The Ultimate Magnet-Free Motor Procurement Guide | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
| EESM vs. IPM Motors in 2026: Cost, Supply Chain, and Procurement Guide | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
| IE5 SynRM vs. Induction Motors: A Comprehensive Efficiency Comparison | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
| The Industry Shift to Rare-Earth-Free Traction Drives: Lessons from Global EV Leaders | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
| The Role of Hairpin Winding in High-Performance EV Traction Motors | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
| Understanding Switched Reluctance Motors (SRM) for Harsh Environments | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
| IE5 Motor Efficiency Standards Explained: Do You Need Magnets to Comply? | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
| Why Magnet-Free Motors Are the Future of Industrial Automation | Buyer-side decision and supplier communication alignment. | Convert checklist items into your RFQ or sample plan. |
Need project-specific guidance? Start from Contact / RFQ and include the article links your team is referencing.
Specify active de-excitation for magnet-free EESMs. Compare field forcing, crowbar discharge and inverter fault safety; use the RFQ checklist to request review.
Compare high-speed rotor containment for magnet-free motors: carbon-fiber sleeves, alloy rings and rib stress. Use the RFQ checklist to request a design review.
Compare direct rotor oil cooling for magnet-free motors: shaft, spray and duct options, seal and fluid checks. Use the RFQ checklist to request a design review.
Compare NO20 and NO25 thin-gauge electrical steel for magnet-free motors. Review loss data, joining trade-offs, and the RFQ checklist before requesting a quote.
Specify 800V SiC magnet-free motor insulation, PDIV/RPDIV evidence, and bearing protection. Compare options and use the RFQ checklist before requesting review.
Compare contactless inductive and carbon slip-ring excitation for EESM. Use 2026 TCO, RPM, EMI, cooling, and supplier checks before issuing an RFQ.
