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Switched Reluctance Motor

 

 

A switched reluctance (also known as variable reluctance) motor has no permanent magnets or brushes. Coils connected in series around a pair of opposite stator poles are energised by a DC current to create lines of magnetic flux. This causes a pair of teeth on the iron rotor to align themselves with the stator poles. This sequence is continued around the stator poles causing the rotor to rotate. Suitable for high torque and high speed applications, applications include hoists, cranes, conveyer belts and vacuum cleaners.

See detailed circuit diagrams below and device recommendations.

 

Motor Control Circuit

3 Phase Motor Control

 

Recommended Microcontrollers

Description

78K0S Series (KY1+, KA1+, KB1+)

10MHz, 8-bit low pin count single voltage Flash devices

78K0 Series (KB2, KC2, KD2, KE2, KF2)

20MHz Enhanced 8-bit single voltage Flash devices with LIN and IIC interfaces

V850ES Series (KE1+, KF1+, KG1+)

32 bit RISC 20MHz with IIC and LIN interfaces

 



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