A comprehensive overview of high-speed solid-rotor induction machines: Applications, classification, and multi-physics modeling

This work looks at how to model, classify, and apply high‑speed solid‑rotor induction machines (HS‑SRIMs). Running these machines at very high speeds creates strong electromagnetic, thermal, and mechanical stresses, so designers need a combined multi‑physics approach. The project gives a clear plan for checking the latest solid‑rotor induction motor designs. It groups them by rotor type—smooth, slotted, or coated. Using finite‑element analysis (FEA) and analytical models, it studies the electromagnetic field patterns, eddy‑current losses, and rotor slip behavior. It also examines how heat moves through the machine and how the rotor moves mechanically. This helps solve the big problems of cooling and centrifugal stress at high speeds. By linking electromagnetic,

thermal, and mechanical simulations, the study creates solid design guidelines for high‑speed industrial uses such as turbocompressors, micro‑turbines, and high‑speed spindles. The method lets researchers compare different solid‑rotor designs in detail, improve efficiency, and reduce heat‑related damage when the machines run under extreme conditions.

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