Rotor parameters calculation for a solid-rotor induction motor with end rings

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Fu Fengli Shanghai Electrical Apparatus Research Institute
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length; body; Rotor parameters calculation for a solid-rotor induction motor with end rings;
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1.IntroductionIt is well known that the efficiency and power factor of thesolid-rotor induction motor are lower than those of the cage rotor in-duction motor due to larger leakage reactance.Therefore,conduct-ing end rings are often fitted to rotor ends to improve motor per-formance.Most of the analyses on the solid-rotor induction motorwith end rings have assumed that the motor is of infinite core lengthand tangential current in the rotor to be negligible.
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页码:18 / 19
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