COURSE NAME:Electrical Maintenance Planning and Scheduling


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. You 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. You will also learn the basic steps in specifying, installing, wiring and commissioning motors. The concluding section of the course will provide you with the fundamental tools in troubleshooting motors confidently and effectively.

OBJECTIVES:

 

At the end of the course participants will be:

 

  • Understand AC & DC motor operation and construction
  • Specify, select and install motors
  • Specify protection requirements for motors
  • Install and commission motors
  • Fix faults on motors
  • Interpret motor performance curves
  • Interface control circuits of motors with PLCs/DCSs
  • Reduce downtime on electrical motors
  • Improve plant safety
  • Improve plant throughput
  • Reduce your spares usage and requirements
OUTLINE:

 

Day 1:

FUNDAMENTALS OF MOTOR TECHNOLOGY

 

DC MOTOR THEORY, CONSTRUCTION AND MAINTENANCE

  • Basic construction and physical configuration and windings
  • Principles of operation and performance
  • Theory of operation
  • Types of DC motors
  • Separately excited motors
  • Series motors
  • Shunt motors
  • Compound motors
  • Long compound motors
  • Short compound motors
  • Insulation and cooling requirements

 

Day 2:

 

AC 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 3:

PROTECTION OF DC & AC MOTORS

  • Protective devices
  • Thermal overload
  • Over current/overload
  • Under-voltage/over-voltage
  • Under frequency for AC machine
  • Current unbalance for 3-phase machine
  • Earth fault protection
  • Pole slip/out of step
  • Stall protection/acceleration time/start

 

Day 4:

SPEED CONTROL OF ELECTRICAL MOTORS

  • DC Motor Control
  • Induction Motor Control  
  • Introduction to variable speed drives or
  • power electronic converters
  • Types and designs of variable speed
  • Synchronous Motor Control  
  • Resonance  
  • Reluctance Machine (Concepts and Torque & Cur­rent of RM)
  • Stepping Motors (Concepts and Torque & Current of Stepping Motors)

 

THE SELECTION OF AC CONVERTORS FOR VARIABLE

  • SPEED DRIVE APPLICATIONS
  • Selection procedure
  • Nature of the load
  • Selection of correct size motor and converter

 

Day 5:

 

Maintenance and Troubleshooting of Motors

  • Characteristics of motors  
  • Enclosures and cooling methods  
  • Design characteristics  
  • Insulation of AC motors
  • Failures in three-phase stator windings  
  • Predictive maintenance  
  • Motor troubleshooting
  • Diagnostic testing for motors
  • Repair and refurbishment of AC induction motors
  • Motor Temperature Classification
  • Motor Insulation Classification
  • Frame classification
  • Variable speed drives ( VFD - Frequency controllers  Principle of operation )
  • Vibration analysis •
WHO SHOULD ATTEND:

 

Typical personnel who would benefit are:

  • Plant Engineers
  • Operations Personnel
  • Electrical Maintenance Technicians
  • Mechanical Engineers
  • Service & Maintenance Technicians
  • Electrical Maintenance Supervisors 
DURATION:
    • 5 Day(s)
  •  


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    Sabic

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    Sabic

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    Al Khodari Company

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    Al Khodari Company

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    Al Khodari Company

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    Al Khodari Company