Lower Core Loss. Cooler Motors. Higher Power Output.

Hiperco® Prime Plus

Hiperco® Prime Plus delivers ~30% lower core loss for stator applications—enabling higher efficiency, reduced thermal stress, and increased continuous power.

Benefits of Hiperco® Prime Plus

- ~30% Lower Core Loss: Compared to standard Hiperco® grades

- 2–5% Higher Power Output: From the same motor footprint

- Up to 100°F Cooler Operation: Improved reliability and higher continuous power

- Optimized for Stators: Designed for high-frequency magnetic fields

- Proprietary Processing and Stack Level Testing: Innovations advancing power-dense stator performance

 

 

 

Request Hiperco® Prime Plus Technical Information

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Thermal Limits Are the Bottleneck in High-Performance Motors

In high-speed and high-frequency motor designs, core loss becomes heat—and heat limits performance. As operating frequencies and flux densities increase, traditional stator materials force designers to either accept higher temperatures or derate performance.


Reducing core loss directly improves efficiency, thermal stability, and power density.

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Hiperco® Prime Plus: A New Benchmark for Stator Materials

Hiperco® Prime Plus is a specialized iron-cobalt alloy engineered for stator applications where efficiency and thermal performance are critical.

Through Carpenter’s Flash Anneal Process, Prime Plus achieves a refined microstructure that reduces hysteresis and eddy current losses—delivering approximately 30% lower core loss while maintaining high magnetic induction.

Performance Benefits

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Converts more electrical energy into usable mechanical power

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Reduces magnetic bearing temperatures by up to 100°F

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Enables 2–5% higher continuous power output

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Extends insulation life and maintenance intervals.          

Designed for Demanding Environments

Where Hiperco® Prime Plus Delivers the Greatest Impact

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READY TO GET STARTED?

Submit a Hiperco® Prime Plus request to engage Carpenter Electrification’s alloy team. Our staff will review your needs and follow up to discuss scope, feasibility, and next steps as soon as possible.