Course Details

This course is appropriate for a wide range of professionals but not limited to:

• Electrical Maintenance Engineers
• Automation and Control Technicians
• System Design Engineers
• Plant Operations and Facilities Engineers
• Project and Consulting Engineers

• Expert-led sessions with dynamic visual aids
• Comprehensive course manual to support practical application and reinforcement
• Interactive discussions addressing participants’ real-world projects and challenges
• Insightful case studies and proven best practices to enhance learning

By the end of this course, participants should be able to:

• Explain the operating principles and characteristics of various motor types.
• Select and accurately size motors for specific load requirements and environments.
• Analyze the fundamentals of Variable Speed Drive technology and topology.
• Properly size VSDs considering motor, cable, and load characteristics.
• Implement robust protection and control schemes for motor and VSD systems.
• Execute effective maintenance and systematic troubleshooting procedures.

DAY 1

Motor Fundamentals, Selection, and Sizing

• Welcome and Introduction
• Pre-test
• Principles of induction, synchronous, and DC motors
• Motor performance curves and efficiency standards
• Sizing motors based on torque, speed, and duty cycles
• Understanding NEMA and IEC motor enclosures and insulation classes
• Importance of motor grounding and earthing practices

DAY 2

Variable Speed Drive (VSD) Technology

• Fundamentals of VSDs and power electronic components
• Comparison of Voltage Source Inverters (VSI) and Current Source Inverters (CSI)
• Principles of VSD control methods (V/f, Vector, DTC)
• Sizing VSDs based on application type and system constraints
• Understanding input and output filtering requirements
• Addressing harmonic distortion and power quality issues

DAY 3

VSD Applications and Control

• Application of VSDs in pump, fan, and conveyor systems
• Motor acceleration, deceleration, and braking techniques
• Advanced VSD features like flying start and energy optimization
• Integrating VSDs with PLC/DCS control systems via communication protocols
• Setting up speed references, limits, and operational modes
• Utilizing PID control loops within the Variable Speed Drive

DAY 4

 Protection and Maintenance

• Protecting motors against overcurrent, overtemperature, and voltage issues
• Protecting VSDs against input and output stage faults
• Implementing condition-based and predictive maintenance techniques
• Procedures for thermal management and cooling system maintenance
• Cable selection, installation, and shielding best practices
• Common failures in motors and drives and their root causes

DAY 5

 Troubleshooting and Operations

• Systematic troubleshooting methodology for motor-VSD systems
• Diagnosing electrical, mechanical, and control system faults
• Using diagnostic tools and analyzing VSD fault codes
• Practical operations scenarios and performance tuning
• Review of safety procedures during maintenance and troubleshooting
• Post-test
• Certificate ceremony