Power Electronic Handbook P14

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Power Electronic Handbook P14

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Step motors are used in many low-lost positioning applications due to their inherent ability to stop at discrete positions and follow position vs. time profiles while being controlled open loop. A step motor is a synchronous machine, but historically has been used almost exclusively in positioning and position tracking applications. Recently, however, some types of step motors have been applied in variable speed drives applications.

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Nội dung Text: Power Electronic Handbook P14

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