when u are given a timer,push buttons and contactor, how do i practically make

when u are given a timer,push buttons and contactor, how do
i practically make a star delta control circuit and a direct
online control circuit?

Question Posted / benjamineyison

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when u are given a timer,push buttons and contactor, how do i practically make a star delta control..

Answer / anil

most induction motors are started in direct on line, but when large motors are started that way because of disturbance of voltage on supply lines due to high current . to control the starting current we the star delta connection using direct of line control circuit using connectors and timer to reduce the starting current

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