HOW TO DESIGN DIRECT ONLINE MOTOR CONTROL

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Philippines Engr. JM
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Published on ● Video Link: https://www.youtube.com/watch?v=TpHmtrjrsZI


Duration: 4:40
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The simplest form of motor starter for the induction motor is the Direct On Line starter. The Direct On Line Motor Starter consist a MCCB or Circuit Breaker, Contactor and an overload relay for protection. Electromagnetic contactor which can be opened by the thermal overload relay under fault conditions.
Typically, the contactor will be controlled by separate start and stop buttons, and an auxiliary contact on the contactor is used, across the start button, as a hold in contact. I.e. the contactor is electrically latched closed while the motor is operating



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Tags:
DOL
direct on line