Transcription of Stepping Motors Fundamentals - Microchip Technology
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Stepping Motors Fundamentals - Microchip Technology
AN907. Stepping Motors Fundamentals Author: Reston Condit TYPES OF Stepping Motors . Microchip Technology Inc. There are three basic types of Stepping Motors : Dr. Douglas W. Jones permanent magnet, variable reluctance and hybrid. University of Iowa This application note covers all three types. Permanent magnet Motors have a magnetized rotor, while variable reluctance Motors have toothed soft-iron rotors. Hybrid INTRODUCTION Stepping Motors combine aspects of both permanent Stepping Motors fill a unique niche in the motor control magnet and variable reluctance Technology . world. These Motors are commonly used in measure- The stator, or stationary part of the Stepping motor ment and control applications.
AN907 DS00907A-page 2 2004 Microchip Technology Inc. Figure 1 illustrates the most basic variable reluctance stepping motor. In practice, these motors typically have
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