Non-rotating high-accuracy iron loss measurements on motor stator stacks

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Conference Proceeding
2017 20th International Conference on Electrical Machines and Systems, ICEMS 2017, 2017
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© 2017 IEEE. A new and improved technique is presented for the measurement of iron loss in motor stators. The most accurate existing technique rotates dummy-test rotors, one for each field strength of interest, inside the stators to be tested and measures the reaction torque on the stators. The new technique uses a wound 'rotor' component that does not rotate mechanically but does rotate electrically. Therefore, the speed and magnitude of the rotating flux can be controlled electrically without the inherent difficulties of rotating mechanically at high speed and without building different dummy-test rotors for each field strength test.
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