Power Quality (Power Electronics)
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Follow on Instagram for UpdatesPower Quality (Power Electronics) Syllabus — Unit-wise Content
The official GTU curriculum for Power Quality (Power Electronics) (subject code 2742903) as prescribed for PE · Semester 4 divides the course into 7 units, covering 62 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (2742903)Unit 1 INTRODUCTION TO POWER QUALITY
- Terms and definitions: Linear & Non Linear Loads
- Power Quality Indices
- Overloading - under voltage - over voltage
- Concepts of transients – short duration variations such as interruption - long duration variation such as sustained interruption
- Sags and swells - voltage sag - voltage swell - voltage imbalance - voltage fluctuation - power frequency variations
- International standards of power quality
- Computer Business Equipment Manufacturers Associations (CBEMA) curve
- Fundaments of Power Losses in Harmonic Environments
Unit 2 VOLTAGE EVENTS
- Voltage Events
- Monitoring of Voltage Events
- Sources of voltage events
- Methods for the Detection & Evaluation of Voltage Events
- Thevenin’s equivalent source - analysis and calculation of various faulted condition
- Effects of Voltage Events on Equipment
- Voltage sag due to induction motor starting
- Estimation of the sag severity - mitigation of voltage sags
- Mitigation of voltage swells
- active series compensators
- Static transfer switches and fast transfer switches
- protection of transformers and cables
- An introduction to computer analysis tools for transients
- PSCAD and EMTP
Unit 3 HARMONICS
- Harmonic sources from commercial and industrial loads
- Power system response characteristics - Harmonics Vs transients
- Effect of harmonics - harmonic distortion - voltage and current distortion - harmonic indices - inter harmonics
- Harmonic distortion evaluation - devices for controlling harmonic distortion - passive and active filters
- IEEE and IEC standards
- Effects of harmonics on capacitors
- Rotating machines
- Lighting Devices
- relays etc
Unit 4 HARMONIC ANALYSIS AND MEASUREMENT
- Harmonic source representation
- Harmonic Propagation facts
- flux of harmonic currents
- Interrelation between AC system and Load Parameters Analysis methods
- Necessity of harmonic measurement
- Measurement procedure, and power line disturbance analyzer – quality measurement equipment - harmonic / spectrum analyzer - flicker meters – disturbance analyzer
- Applications of expert systems for power quality monitoring
Unit 5 DISTRIBUTED GENERATION AND POWER QUALITY
- Resurgence of DG, DG Technologies
- Impact of DG, Interface to the Utility System
- Power Quality Issues
- Operating Conflicts
- DG on Distribution Networks
- Siting DG Distributed Generation
- Interconnection Standards
- Protection issues
Unit 6 PASSIVE FILTERS
- State of the Art on Passive Power Filters
- Classification of Passive Filters
- Principle of Operation of Passive Power Filters
- Analysis and Design of Passive Power Filters
- Simulation, and Performance of Passive Power Filters
- Limitations of Passive Filters
- Parallel Resonance of Passive Filters with the Supply System and Its Mitigation
Unit 7 Active Power line filters
- General description of Shunt Active filters
- 3-wire shunt active filters
- Active filters for current minimization
- Active filters for harmonic damping
- Hybrid and series active filters
- comparison with pure active filters
- Combined series and shunt power conditioners
- Unified Power Flow Controller (UPFC)
- Unified Power Quality Controller (UPQC)- basic concepts
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