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Electrical Motors Testing & Maintenance

 Upon completion of the course participants will be able to:

  • Specify protection requirements for motors o Maintain electrical motors
  • Specify speed control requirements for motors
  • Understand essentials of motors and drives
  • Detail the main issues with testing of motors
  • Prevent or at least minimize motor bearing failure
  • Troubleshoot and fix faults on motors and drives
  • Interface control circuits of motors with PLC’s/DCS’s
  • Reduce downtime on electrical motors
  • Improve plant safety
  • Improve plant throughput
  • Reduce your spares usage and requirements


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


5 Days

Start Date End Date Country City
2023-11-19 2023-11-23 Saudi Arabia Dammam
2023-12-10 2023-12-14 Saudi Arabia Dammam

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