* All fees are exclusive of vat ** PREMIUM - Customize your learning experience
On completion of this Averest training course participants will be able to perform maintenance and troubleshooting of AC motors, VFD and soft starters. This will enable them to understand the operation of the components in the VFD and benefits.
What Do Participants Learn?
Understand the factors controlling the speed of an induction motor
Explain the construction and operation principles of VFD
Determine the benefits of the VFD
Understand the VFD technologies
Explain the importance VFD maintenance
Who Should Attend?
What Will the Learning Experience Include?
Comprehensive pre-program activities include:
Web-based information forms & surveys completed by attendee.
Direct consultation with the attendee about the expectations.
During the training, participants engage in data, activities, and conversations that lead to insight and knowledge.
Participants learn from expert trainers who have both academic and business experiences.
Highly applicable training content & instructive activities for adding depth to training topics.
**A half-day site visit for integrating the experience & plan next steps. Opportunities to provide connections, ideas & support.
Explore & Practice
Apply & sustain the learning experience by using this ongoing support:
To ensure participant has new skills or behavior progress.
Optional, fee-based mentoring & coaching with the trainer.
Training materials & additional documents (e-books, pdf files, presentations and articles)
Evaluate your training experience by giving us feedbacks and help us to reach our organizational goals.
Section One: – FUNDAMENTALS OF THREE PHASE AC MOTORS, STARTERS AND FACTORS CONTROLLING SPEED
Three-phase AC motors, types, construction, characteristics and applications
Starting of induction motors and associated techniques and acceleration
Speed control requirements of AC motors and load matching
Soft starters characteristics
Selection of AC motors for industrial applications and service factor
Medium voltage motors and applications
Section Two: – CONSTRUCTION AND OPERATIONS OF VARIABLE FREQUENCY DRIVES
Fundamental principles and understanding of VFDs
Power semiconductors, diode, the thyristor (SCR), IGBT, MOSFET, GTO and others.
Voltage-source, current-source and pulse width modulated (PWM) inverters
Benefits and applications of VFD
Two-level PWM, regeneration and dynamic braking
Medium voltage VFD
Section Three: – CHARACTERISTICS AND FUNCTIONALITIES OF PULSE WIDTH MODULATION
The rectification process
The DC bus process and functionalities
The inverter types, process and functionalities
Volts per hertz operation
The Megadrive -Load commutated inverters
PWM technology in Megadrive-LCI
Section Four: – TROUBLESHOOTING AND MAINTENANCE OF DRIVES
Soft starters and selecting the correct VFD
VFD analyzers for converter failures, inverters and rectifiers
Troubleshooting techniques and maintenance for VFD
VFD parameter guidelines
VFD parameter settings and settings
VSD bearing failures and remedies
Section Five: – MAINTENANCE AND TESTING INSTRUMENTS FOR VFD
Importance of maintenance
Testing instruments and ScopeMeters for VFD
Shaft ground rings
Protection of inverters and electronic converters driving motors