High Slip Variable Frequency Induction Motors
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United States of America Patent
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Jun 4, 2015
app pub date -
Nov 25, 2014
filing date -
Dec 4, 2013
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Abstract
A high slip variable frequency induction motor has a rotor including an elongate stacked lamination core having a length and diameter, a plurality of electrically conducting rotor bars extending through said core, each having a first end and a second end, and electrically conducting first and second end rings electrically connected to the first and second ends respectively of said rotor bars. An insulating material is disposed between said rotor bars and said core thereby to at least prevent parasitic current flow between the rotor bars and said core.
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