Godrej Industries Group Machine Maintenance Technician Interview Questions and Answers

3 phase supply is a type of electrical power transmission that uses three alternating currents.

• Consists of three alternating currents that are out of phase with each other

• Commonly used in industrial and commercial settings for powering heavy machinery

• More efficient and reliable compared to single phase supply

• Examples: motors, pumps, compressors

Star Delta connection is a method used to reduce the starting current of a motor.

• Star Delta connection involves connecting the motor windings in a star configuration during starting and then switching to a delta configuration once the motor reaches a certain speed.

• It is commonly used for large induction motors to reduce the starting current and torque.

• This method helps in preventing damage to the motor and reduces stre...read more