Archive > 2009 > April 2009 > Lower-Loss Technology for a Stepping Motor

Lower-Loss Technology for a Stepping Motor - April 2009

Yasuo Sato

The article "Lower-Loss Technology for a Stepping Motor" appeared in the April 2009 issue of Power Transmission Engineering.

Summary
The demand for stepping motors with high efficiency and low losses has been increasing, although the demand had been previously focused on high torque. Also, the selection of the most suitable grade of lamination for improvement in fastening of the laminated cores has reduced losses significantly at their peak, when compared to conventional stepping motors. Lowering the losses of the motor has enabled continuous operation that was previously impossible. An expansion of the stepping motor’s usage into applications where another motor has been used for continuous operation and other uses—due to the heat generation problem—can now be pursued. In addition, these motors are very effective for energy saving. This paper explains the technology used for lowering the iron losses of the stepping motor.

Keywords
stepping motors

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