General Electrician Interview Questions and Answers

Star delta control is a method used to reduce the starting current of induction motors.

• Star delta control involves initially connecting the motor windings in a star configuration for starting, then switching to a delta configuration for running.

• This method is used to reduce the starting current and torque on the motor, which helps in preventing damage to the motor and the connected electrical network.

• It is commonly used in applications where the starting current needs to be l...read more