DESKRIPSI

Pumps, fans, blowers and compressors consume as much as 65% of this total. A large proportion of these applications are powered by fixed or constant speed drivers whose load demands often fluctuate. This poor match of speed and demand results in considerable wasted energy and significantly increased wear of system components. Variable speed drive technology is a cost effective method to match driver speed to load demands and is an excellent opportunity to reduce operating costs and improve overall efficiencies in your application.
This course gives you a fundamental understanding of the installation, operation and troubleshooting of variable speed drive. You will learn the basic setup of parameters, control wiring and safety precautions in installing a VSD. The various drive features such as operating modes, braking types, automatic restart and many others will be discussed in detail. You will learn the four basic requirements for a VSD to function properly with emphasis on typical controller faults, their causes and how they can be repaired.
The concluding section of the course gives you the fundamental tools in troubleshooting VSD confidently and effectively. Even though the focus of the course is on the direct application of this technology, you will also gain a thorough understanding of the problems that can be introduced by VSD such as harmonics, electrostatic discharge and EMC/EMI problems.

Objectives :
At the end of this course participants will be able to:
1.    Demonstrate a sound understanding of how AC Variable Speed Drive (VSD’s) work
2.    Install VSDs properly
3.    Select the right VSD for a given application
4.    Troubleshoot VSDs competently
5.    Competently explain how flux-vector control works for drive applications understand squirrel cage induction motors
6.    Identify the protection and control system requirements for VSD’s
7.    Interface VSD’s with PLCs
8.    Understand the causes of motor burnout
9.    Deal effectively with VSD harmonics and
10.    EMC/EMI problems

MATERI :

1.    Introduction To Variable Speed Drive
•    The Need for Variable Speed Drive
•    Fundamental Principles of Speed Control
•    Efficiency, Torque, Inertia,
•    Horsepower/Power Factor
•    Torque-Speed Curves
•    How the motor produces Torque
•    Types of Variable Speed Drive
2.    3-Phase AC Induction Motors
•    Basic Construction and Physical Configuration
•    Principles of Operation and Performance
•    Equivalent Circuit and Fundamental Equations
•    Starting, Acceleration, Running and Stopping
•    Power, Torque and Thermal Rating
3.    Power Electronic Converters
•    Definitions and Basic Principles
•    Power Diodes and Thyristors
•    Principles of Communication
•    Power Electronic Rectifiers
•    Power Electronic Inverters
•    Gate Commutated Converters
•    Gate Controlled Devices – GTO, FCT, GTR, FET, IGBT
4.    Electromagnetic Compatibility (EMC)
•    Sources of Electromagnetic Interference
•    Harmonics on the Power Supply side of AC Converters
•    The Effect of Harmonic Distortion on other connected Equipment
•    Methods of reducing the effect of Supply side Harmonics
•    Electric Motor Protection
•    Thermal Overload Protection – Current Sensing
•    Thermal Overload Protection – Direct Temperature Sensing
5.    Protection Of Motors And Converters
•    AC Frequency Converter Protection Fault Diagnostics
•    Electric Motor Protection
•    Thermal Overload Protection – Current Sensors
•    Thermal Overload Protection – Direct Temperature
6.    Control System For AC Variable Speed Drive
•    The Overall Control System
•    Power Supply to the Control System
•    DC Bus Charging System
•    VSD Control Loops (Open-Loop, Closed- Loop)
•    Vector control and its applications Current Feedback in AC Variable Speed Drive
•    Speed Feedback from the Motor
7.    The Selection Of AC Converters For Variable Speed Drive Applications
•    The Basic Selection Procedure
•    Loadability of Converter Fed induction Motors
•    Operation in the Constant Power Region
•    The Nature of the Machine Load
•    Starting and Stopping VSDs (Motor Braking)
8.    The Selection Of AC Converters (Continued)
•    How to Calculate Acceleration Torques and Times
•    How to Select the correct Motor and
•    Converter for Pump and Fan Loads
•    How to Select the correct Motor and
•    Converter for Constant Torque Loads, such as conveyors
•    Summary of the Selection Procedure
9.    Installation And Fault Finding Techniques
•    General Installation and Environmental Requirements
•    Power Supply Connections and Earthing
•    Where to install the Contactors in the Power Where to install the Contactors in the Power Circuit
•    Installing AC Converters into Metal Enclosures

PESERTA
Para karyawan di semua lini bagian Industrial Variable Speed Drive (VSD)

TRAINING METHOD
  • Group Discussions
  • Group & Individual Exercises
  • Presentations
  • Games
  • Case Studies
  • Role Plays
  • Self-Assessment
  • Action Plan
FACILITIES
  • Certificate,
  • Quality Training Kit (Pencil case: Erase, Bolpoint, Pencil, Tipe X, Stabillo, Flash Disk 8 GB),
  • Bag.
  • Training Material (HandOut & SoftCopy)
  • Convenient training facilities in stars hotel (Public Training)
  • Lunch and Coffee Breaks (Public Training)
  • Souvenir
Permintaan Brosur penawaran Training ( Harga, Waktu dan Tempat) silahkan Menghubungi kami.
Catatan :
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