EL18
Course Contents
Module 1 - Electric Motor Fundamentals
Key Topics
- Motor basics, energy conversion, and nameplate interpretation.
- Construction and operation of induction vs. synchronous motors.
- Understanding torque-speed characteristics, slip, and performance.
- Practical selection: Power ratings, cooling, mounting, and bearings.
- Identifying common failure modes (electrical, mechanical, and thermal).
Module 2 – Motor Starting & Protection
Key Topics
- How starting impacts your electrical network and equipment.
- Comparing DOL, Star-Delta, Soft Starters, and Auto-transformers.
- Protection fundamentals: Overload, earth faults, phase loss, and stalls.
- Coordinating starters, drives, and protection devices (MCCB, relays).
- Modern diagnostic tools and testing instruments.
Module 3 – VFD Fundamentals & Power Electronics
Key Topics
- The principles of energy saving and process control.
- A look inside the VFD: Rectifiers, DC buses, and inverters.
- Power semiconductors (Diodes, SCR, IGBT) and PWM concepts.
- Managing harmonics, power quality, and cooling systems.
- Internal component failure diagnostics.
Module 4 – VFD Parameters & ABB ACS Drives
Key Topics
- Control methods: V/f, sensorless vector, and closed-loop control.
- Step-by-step commissioning and essential parameter configuration.
- I/O wiring, feedback signals, and fieldbus overviews.
- Deep dive into ABB ACS150, ACS355, ACS580, and ACS880 applications.
- Best practices for setup and avoiding common commissioning mistakes.
Module 5 – Sizing, Failures & Troubleshooting
Key Topics
- Sizing principles and overload class considerations.
- Accounting for derating (temperature, altitude, and cable length).
- Step-by-step troubleshooting: Is it a motor fault or a drive fault?
- Lifecycle management and preventive maintenance strategies.
- Industrial case studies: Pumps, conveyors, and energy optimization.
