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Field analysis on magnetic transmission mechanism of downhole tur-bine generator

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This paper mainly studies the field on magnetic transmission mechanism of down hole turbine generator by using ANSYS software. The effects of thickness of permanent magnets, thickness of distance sleeve, the average radius of working field, air gaps and rotating speed on torque were quantitatively analyzed, and eddy current in distance sleeve with different structure parameters was also analyzed. | Field analysis on magnetic transmission mechanism of downhole tur-bine generator