Traditional Culture Encyclopedia - Traditional culture - How to change the self-holding control of 380V motor into inching control?
How to change the self-holding control of 380V motor into inching control?
In fact, the self-holding of the motor control circuit means that the two ends of the start button are connected in parallel with the auxiliary normally open contacts of a group of contactors.
When the start button is pressed, the contactor is attracted, and the normally open auxiliary is also attracted to connect the line instead of the start button.
Just remove two wires of the normally open auxiliary contact of the contactor.
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