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Demagnetization in Large Permanent Magnet Machines — What We Should Know!

Date | 2026.03.17
Large Permanent Magnet Machines - 1



We've discussed how SMPM technology drives higher efficiency and power density, and how large PM machines have become strategic assets across multiple industries.

But one key question remains: what should users understand about Magnets Demagnetization (DI)?

This final post of my 4‑part series closes with a question that every decision‑maker should be asking, especially when PM motors are expected to deliver reliability, stability, and long service life.

If you are as passionate about the electrical motor world as I am, and if you have a disruptive mindset toward the future of technologies used in modern compression trains and electrified processes worldwide, I invite you to explore the carousel and the entire SMPM series in my LinkedIn page.

These posts are a good starting point for deeper discussions, and I will be more than happy to talk further about this technology.

Large Permanent Magnet Machines - 2

Large Permanent Magnet Machines - 3

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Large Permanent Magnet Machines - 5


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