Machines and Utilization KNEC Pdf notes

Description

INDUCTION MACHINES

• Construction of induction motors
• Equivalent circuit for induction motors
• Operation
• Circle diagrams
• speed control
• applications

SYNCHRONOUS MACHINES

• Construction
• Equivalent circuit
• Operation
• Circle diagrams
• Applications

DIRECT CURRENT MACHINES

• Construction
• Equivalent circuit
• Operation
• Applications

SPECIAL MACHINES

• Type
• Construction
• Operation

ELECTRIC DRIVES

• Choice of motor
• Heating and cooling curves
• Power rating
• Applications

REFRIGERATION AND AIR CONDITIONING

• Operation
• Construction
• Layout of plant

ELECTRIC TRACTION

• Introduction
• Mechanics of train movement
• Starting speed control
• Braking
• Construction control and distribution system