COURSE NAME:Electrical Motor Maintenance & Troubleshooting


UPCOMING EVENTS


START DATE END DATE CITY/COUNTRY PRICE Request
This course can be scheduled at your convenience, to request this course please click here
INTRODUCTION:

It is estimated that electrical motors and other rotating equipment use about 50% of the total electrical energy consumed in the world today.  The cost of maintaining electrical motors can be a significant amount in the budget item of manufacturing and mining industries.

This course will give you a thorough understanding of electrical motors' working, maintenance and failure modes and provide you with the tools to maintain and troubleshoot electrical motors.

The participant will gain an understanding of the installation, operation and troubleshooting of electric motors.  Typical applications of electric motors in mining, manufacturing, materials handling and process control will be covered in detail.

OBJECTIVES:
  • Upon completion of the course participants will be able to:
    • Specify protection requirements for motors
    • Maintain electrical motors o Specify speed control requirements for motors
    • Understand essentials of motors and drives
    • Detail the main issues with testing of motors
    • Prevent or at least minimise 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 o Reduce your spares usage and requirements
OUTLINE:

Day 1:

FUNDAMENTALS OF MOTOR TECHNOLOGY

  • Basic principles of rotating electric machines
  • Fundamental principles of speed control
  • Efficiency, torque, inertia, horsepower and power factor
  • Torque-speed curves
  • How the motor produces torque
  • Types of motors

MOTOR THEORY, CONSTRUCTION AND MAINTENANCE

  • Basic construction and physical configuration and windings
  • Principles of operation and performance

THREE PHASE AC INDUCTION MOTORS

  • Components
  • Theory of operation
  • Induction motor design
  • Duty cycles
  • Insulation and cooling requirements
  • Starting methods
  • Selecting motors
  • Maintenance of AC machines
  • Types of faults, fault finding and testing of AC machines
  • Testing instrumentation

Day 2:

PROTECTION OF AC MOTORS

  • Protective devices
  • Thermal overload
  • Over current/overload
  • Under-voltage/over-voltage
  • Under frequency
  • Current unbalance or negative phase sequence
  • Earth fault protection
  • Stall protection/acceleration time/start up supervision
  • Voltage controlled or restrained over current
  • Protection settings

 

Day 3:

SPEED CONTROL OF AC MOTORS

  • Introduction to variable speed drives or power electronic converters
  • Types and designs of variable speed drives

Maintenance of Electric Motors

  • Maintenance strategy
  • Preventive maintenance
  • Maintenance records
  • Servicing schedule

Day 4:

TROUBLESHOOTING MOTORS

  • Most Common Motor Problems
  • Electrical Problems
  • Testing Windings for Shorts, Opens and Ground Faults
  • Phase Unbalance
  • Mechanical Problems
  • Phase Rotation Testing

 

Day 5:

TROUBLESHOOTING CONTROL CIRCUITS

  • Relays, Motor Starters and Control Devices
  • Reading and Interpreting Ladder Diagrams
  • Power Loss
  • Control Circuit Industrial Applications
  • Electric Motor Drives
  • Solenoid-Operated Valves
  • Heating Elements
WHO SHOULD ATTEND:

Anyone associated with the use of electrical motors in the industrial or automation environment. Typical personnel who would benefit are:

  • Plant Engineers
  • Instrument Technicians
  • Operations Personnel
  • Electrical Maintenance Technicians
  • Instrument and Control Engineers
  • Process Control Engineers
  • Mechanical Engineers
  • Service Technicians
  • Maintenance Personnel
  • Electrical Maintenance Supervisors
DURATION:
    • 5 Day(s)
  •  


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    Sabic

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    Al Khodari Company

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    Al Khodari Company