EDN

Permanent magnet motors: Are PMSMs the same as BLDCs?

There seems to be some confusion within the industry about the terms “permanent magnet synchronous motors” (PMSMs) and “brushless DC (BLDC) motors”. I’ve talked with several different application ...
Electrek

Tesla is going (back) to EV motors with no rare earth elements

Tesla will create a permanent magnet electric vehicle motor with zero rare earth elements in it, the company announced at its Investor Day today. Rare earth elements are a bone of contention in EV ...
EDN

Basics of the Electric Servomotor and Drive – Part 2: Permanent-Magnet Brush Motors

Order “Control System Design Guide” today and receive an additional 15% discount. Click here www.elsevierdirect.com and make sure to type in 92839 when ordering this book. Or call 1-800-545-2522 and ...
Machine Design

What’s the Difference between AC, DC, and EC Motors?

For motor applications, engineers have several options at their disposal. Typically, engineers can choose between direct-current (DC) or alternating-current (AC) motors. Machine Design has covered the ...
Machine Design

Disc Motors

Disc motors are permanent-magnet stepping motors that exhibit performance comparable to that of hybrid motors. Rotors in disc motors are thin (typically less than 1-mm) discs, unlike the cylindrical ...