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ELK 495 - Electrical Power Quality and Harmonics

Course Objectives

The term power quality has become one of the most important issues in the power industry since 1990. Both electric utilities and end users of electric power are becoming increasingly concerned about electric power quality There are four major reasons for increased concern. 1. The increased use of more sensitive equipment (Microprocessor based controls and power electronic devices) to power quality variation. 2. The increased use of equipment that generate power quality problems. 3. The increased interconnectedness of power system 4. End users have an increased awareness of power quality issue.
This is a course designed to provide knowledge of electric power quality for electrical engineer students. Course objectives are
• Impact of power quality problems on utility and customer relationships,
• Overview of typical power quality problems to include: wiring and grounding, voltage sags and interruptions, harmonics and transient over voltages,
• Methods to address and solve power quality problems, including monitoring and site surveys, power system analysis, simulation, and corrective measures.

Course Description

• Introduction to electrical power quality, electrical power quality definition, power quality terms.
• Electrical power quality problems: Interruption, voltage sag and swell, undervoltage, overvoltage, voltage unbalance, waveform distortion, voltage fluctuation, power frequency variations, transient overvoltage.
• Effects of power quality problems on equipment.
• Fundamental of harmonics, power system quantities under nonsinusoidal condition, harmonic indices, effects of harmonic distortion, harmonic sources, harmonic source modeling, electrical network modeling, distribution system harmonic analysis, Principles of control harmonics, Reactive power compensation under nonsinusoidal condition, harmonic filter design, power system response characteristic, harmonic resonance.
• Including power quality in distribution planning: Electrical distribution system and power quality, grounding technique for sensitive equipment, insufficient neutral conductor, effects of distributed generation on power quality

• Power quality monitoring.
• Typical wiring and grounding problems.
• Distributed generation and power quality.
• Power quality indices.
• Voltage regulation.
• Fundamentals of power system harmonics, harmonic filter.
• Power quality standards.

Course Coordinator
Ömer Gül
Koray Erhan
Course Language
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