What is a SR motor?

SR motor is an abbreviation of "switched reluctance motor" and is one of the motors that can rotate at high speed. In addition, it is said that the mechanism is simple, inexpensive, and highly reliable. The structure has 4 rotors and 6 slots, and it moves only by the force attracted by electromagnetic force. Since it does not use permanent magnets, it leads to a reduction in the use of rare earths, making it an excellent motor in terms of resource saving. However, noise and vibration during operation are the biggest problems, and there is a demand for a solution by improving switching technology using semiconductor devices.

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