• Gaining background about harmonics in industrial distribution
• Being familiar with sources of harmonics and AC drive types
• Understanding line notching and inter-harmonics
• Identifying relationship between harmonic currents and power factors
• Understanding harmonics effects on complete range of equipment
• Being familiar with resonance in AC drives and pfc equipment
• Understanding PWM, DC, AC load commutated inverter and AC cycloconverters

• Plant Engineers
• Operations Engineers
• Electrical Maintenance Engineers
• Instrument and Control Engineers
• Electrical Technicians
• Electrical Inspectors
• Electrical Maintenance Superviso

Day 1

• Introduction and background into harmonics with some examples of problems
• The production of harmonics (single phase and three phase systems)
• Line notching, inter-harmonics etal
• The relationship between harmonic currents and power factors (displacement power)
• Effects of harmonics on complete range of equipment.
• Resonance with example of real life application in Dubai (AC drives and pfc equipmentz)

Day 2

• Sources of harmonics and AC drive types
• PWM, DC, AC load commutated inverter and AC cycloconverters
• Question and answer session.
• Effect of equipment loading on harmonic currents and total harmonic current distortion
• Effect of source kVA, impedance and subtransient reactance (Xd”) on harmonics
• Illustrating Examples using SOLV software

Day 3

• Harmonic mitigation techniques (for three wire and four 3 phase distribution systems and for standard 3 phase systems) 
• Reactors (AC line and DC bus), commutation reactors, special reactors (Lineator wide spectrum and duplex reactors)
• Passive L-C filters, phase shifting (multi-pulse), phase staggering (quasi-multi-pulse), active filters, hybrid active/passive filters and active front ends (sinusoidal rectifiers)
• Question and answer session
• Understanding harmonic recommendation IEEE 519 (1992)

Day 4

• Simple harmonic calculation summary
• Example of harmonic calculation software (SOLV) and sample calculations
• Harmonic survey techniques and safety issues
• Local site measurements using harmonic measurement equipment

Day 5

• Information required from vendors (e.g. drive suppliers) to solve harmonics problems
• Question and answer session.
• Conclusion

RECTUS attendance certificate will be issued to all attendees completing minimum of 80% of the total course duration