Training Engineering

TROUBLESHOOTING, MAINTENANCE & PROTECTION OF AC ELECTRICAL MOTORS & DRIVES

| September 27, 2011 | 0 Comments

TROUBLESHOOTING, MAINTENANCE & PROTECTION OF  AC ELECTRICAL MOTORS & DRIVES

Hotel Ambarukmo, Yogyakarta | 20 s.d 22 Maret 2012 | Rp. 7.000.000,-/participant (non residential)
Hotel Ambarukmo, Yogyakarta | 22 s.d 24 Mei 2012 | Rp. 7.000.000,-/participant (non residential)


DESKRIPSI

It is estimated that electrical drives and other rotating equipment consume 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 workshop gives you a thorough understanding of electrical motor’s working, maintenance and failure modes and gives you the tools to maintain and troubleshoot electrical motors. You will gain valuable insight into the selection of the protection necessary to ensure your motors are protected against fault conditions, so as to ensure reliability and long life.
You will gain a fundamental understanding of the installation, operation and troubleshooting of electric motors. Typical applications of electric motors in mining, manufacturing, materials handling and process control are covered in detail. You will learn the basic steps in specifying, installing, wiring and commissioning motors. The concluding section of the course gives you the fundamental tools in troubleshooting motors confidently and effectively.



MATERI

INTRODUCTION AND OUTLINE OF WORKSHOP OBJECTIVES
FUNDAMENTALS OF MOTOR TECHNOLOGY

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

AC MOTOR THEORY, CONSTRUCTION AND MAINTENANCE

  •  Basic construction and physical configuration, 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

PROTECTION OF AC MOTORS

  •  Protective devices
    1. Thermal Overload
    2. Over Current / Overload
    3. Under-voltage / Over-voltage
    4. Under frequency
    5. Current unbalance or negative phase sequence
    6. Earth fault protection
    7. Pole slip / Out of step
    8. Loss of excitation
    9. Over fluxing
    10. Stall protection / acceleration time / Start up supervision (Time between starts / Starts per hour)
    11. Voltage controlled or restrained over current
  • Protection settings

SPEED CONTROL OF AC MOTORS

  • Introduction to Variable Speed Drives or Power Electronic Converters
  • Types, and Designs of Variable Speed Drives

PROTECTION OF AC CONVERTORS AND MOTORS

  • Frequency converter protection circuits
  • Protection settings

CONTROL SYSTEMS FOR AC VARIABLE SPEED DRIVES

  •  Control theory of VSDs explained

THE SELECTION OF AC CONVERTORS FOR VARIABLE SPEED DRIVE APPLICATIONS

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

INSTALLATION AND COMMISSIONING OF AC VARIABLE SPEED DRIVES

  • General Installation and environmental requirements
  • Electrical connections and Earthing requirements
  • Control wiring and pre-commissioning
  • Commissioning tests

NEW TECHNOLOGIES AND DEVELOPMENTS



METODE

Presentasi, Diskusi, Simulasi, Studi kasus, Evaluasi

Peserta
Staf, Supervisor dan Manajer bagian perawatan dan pemeliharaan, bagian Produksi, Perencanaan dll.


PEMATERI

Ir. Teguh Santoso and Team


WAKTU & TEMPAT

  • Batch I : 20 s.d 22 Maret 2012
  • Batch II : 22 s.d 24 Mei 2012
  • Wisma MM UGM, Jl. Colombo No.1  Yogyakarta
  • Pukul 08.00 – 16.00 WIB

(Inhouse Training Depend on Request)




Investasi

Fee course :

  •  Rp. 7.000.000,-/participant (non residential)
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Category: Electrical, Maintenance, Yogyakarta

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