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Jan 02, 2025
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EE 4480 - Electrical Power Systems Quality3 lecture hours 0 lab hours 3 credits
Course Description
An advanced course that examines the causes, analysis and mitigation of power quality phenomena found in low, medium and high voltage systems. Topics covered include voltage sags, surges, interruptions, transients, notching, distortions, unbalance, current distortions, and frequency variations. (prereq: EE 3401 or electrical machines course)
Course Learning Outcomes
Upon successful completion of this course, the student will be able to:
- Understand the basics of electric power systems quality
- Measure and interpret voltage, current and frequency variations and distortions
- Understand the principles of power system harmonics, harmonic indices and mitigation strategies
- Be able to use laboratory instrumentation to measure and analyze power quality indices
- Be familiar with industrial standards on power quality requirements
Prerequisites by Topic
- Linear ac circuit analysis
- Three-phase complex power
- Basic knowledge of electrical machines and transformers
Course Topics
- General classes of power quality problems (1 class)
- Power quality terms and requirements (1 class)
- Sags and interruptions (3 classes)
- Transient over-voltages (2 classes)
- Harmonic distortion (5 classes)
- Principles for controlling harmonics (2 classes)
- Long-duration voltage variations (1 class)
- Effects of lightning on power systems (1 class)
- Grounding and wiring issues leading to voltage problems (2 classes)
- Power quality standards (2 classes)
Laboratory Topics
- Power quality instrumentation and interpretation
- Harmonic current and voltage measurements of Adjustable Speed Drives
- Line notching
- Voltage sags, transients
- Comparison of power quality for different devices used for lighting
- Neutral current issues in three-phase circuits
Coordinator
Rich Kelnhofer
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