Wireless permanent magnet temperature & field distribution measurement system for IPMSMs

Abstract

Permanent magnet (PM) temperature measurement/estimation in permanent magnet synchronous machines (PMSMs) is of great importance for torque control and to prevent PM demagnetization. PM temperature estimation methods can be divided into thermal models, BEMF and pulse/high-frequency signal injection based methods. All of them provide a lumped PM temperature… (More)

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