Explain about dol starter & start delta starter functioning and plc controlling diagram draw the flow chart?

Question

Accepted Answer

DOL and star delta starters are used to start induction motors. PLCs can be used to control their functioning.

DOL starter directly connects the motor to the power supply while star delta starter initially connects the motor in star configuration and then switches to delta configuration.
PLC controlling diagram for DOL starter includes inputs for start and stop buttons, overload relay, and contactor. For star delta starter, it includes inputs for timer and contactor.
Flow chart for DOL starter includes checking the power supply, pressing the start button, checking for overload, and activating the contactor. For star delta starter, it includes checking the power supply, starting in star configuration, waiting for a set time, and switching to delta configuration.

Accepted Answer

Dol starter is Direct on load starter, star delta starter is typically it has around 1/3 of the inrush current compared to direct on load starter

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