Q11-b) A three-phase induction motor is used to drive many types of loads for example water pump and compressor. Explain the followings: i. The construction and its operational principle; ii....

Q11-b) A three-phase induction motor is used to drive many types of loads for example water pump and compressor. Explain the followings:

i. The construction and its operational principle;
ii. Synchronous speed, rotor speed, slip and their relationships,
iii. Starting methods for induction motor,
iv. Disadvantages of induction motor.