A8600

How does the magnetic brake used to stop rotation of an electric motor armature operate?

发布于 2021-02-18 21:52:36

【单选题】
A Centrifugal force releases a rotating brake cog from a stationary notch when the armature reaches a certain speed and magnetic force re-engages the cog when the electrical power is turned off.
B A friction brake is applied by a magnet and released by a spring.
C A friction brake is applied by a spring and released by a magnet.

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scsacsdacsd 2023-02-18

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