+۹٦٦ ۹۲۰۰۰۷۷۷۱
المحركات الكهربائية وصيانتها وإصلاح أعطالها
الأهداف

  • 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

الخطوط العريضة

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

من ينبغى أن يحضر

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

المدة

5 أيام

تاريخ البداية تاريخ النهاية الدولة المدينة

سجل الآن

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من فضلك ادخل أسمك.
من فضلك ادخل البريد الالكتروني.
ادخل رقم محمول 10 أرقام.