Outlines

Day 1: Basic Theory and Operation

                                  

• Types of electric motors
• Rotating Magnetic Field
• DC motors and applications
• Single Phase and Three Phase AC Motors
• Induction and Synchronous Motors
• Squirrel Cage Motors
• Wound Rotor Motors
• Single speed and variable speed motors
• Single voltage and dual voltage motors
• Unidirectional and reversible motors
• Efficiency & Power factor
• Standardization & Classification of motors

 

 

Day 2:  Synchronous and induction motors

                       

• Synchronous speed and slip
• Synchronous condenser and excitation control
• Constant speed applications of synchronous motors
• Three-phase induction motors types and applications
• Torque speed characteristic for motors
• Starting methods for single phase motors
• Split phase and capacitor start
• Refrigeration and A/C compressors starting
• Motor control centers and components
• Reading schematic for motor control

 

  Day 3:  Motor Testing

                       

• Stator winding
• Testing instruments and tools
• Factory tests
• Receiving tests
• Pre commissioning tests
• Insulation test and continuity
• DC resistance measurement and indication
• Rotor and field winding
• Terminal marking for dual voltage three phase motors
• Terminal marking for dual speed three phase motor
• Rotor ground fault check
• Squirrel cage bar disconnection test

 

Day 4: Maintenance of motors

                                   

• Inspection Techniques
• Troubleshooting Techniques
• Power circuit troubleshooting
• Control circuit troubleshooting
• Ground Fault and Short Circuits
• Routine and Preventive Maintenance
• Vibration causes and correction
• Mantling and Dismantling.
• Emergency repairs
• Rewinding data and procedures
• Spare Parts Requirements.
• Motor Storage for Long Periods

 

 

Day 5:  Selection for Applications

 

• Properties of Motors and Applications
• Dc motor speed characteristics 
• DC motor applications
• Domestic uses
• Control circuit for motors
• Machine Tools
• Air & air conditioning Compressors
• Servomotors and step motors
• Variable speed drive
• Discussion and answering questions

 

 

Who Should Attend

• Anyone associated with the use of electrical motors in the industrial or automation environment.
• The course will also benefit those working in system design as well as site commissioning, maintenance and troubleshooting.
• Plant Engineers
• Instrument Technicians
• Engineering and design personnel
• Operations personnel
• Electrical Maintenance Technicians
• Instrument and Control Engineers
• Electrical Contractors
• Electrical consulting engineers
• Process control Engineers
• Mechanical Engineers
• Service Technicians
• Maintenance Personnel
• Electrical Maintenance Supervisors

Duration

5 Days