Power Quality Notes – EE2028 Lecture Notes, Subject Notes for EEE 8th Semester
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POWER QUALITY NOTES ANNA UNIVERSITY – EE2028 PQ NOTES
Subjects :Power Quality (PQ)
Subject Code : EE2028
Department : EEE
Semester : 8th Sem
University : Anna University, Chennai
EE2028 Power Quality Anna University Notes download
Content in EE2028 Notes :
EE2028 POWER QUALITY
UNIT I INTRODUCTION TO POWER QUALITY
Terms and definitions: 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.
UNIT II VOLTAGE SAGS AND INTERRUPTIONS
Sources of sags and interruptions – estimating voltage sag performance. Thevenin’s equivalent
source – analysis and calculation of various faulted condition. Voltage sag due to induction motor
starting. Estimation of the sag severity – mitigation of voltage sags, active series compensators.
Static transfer switches and fast transfer switches.
UNIT III OVERVOLTAGES
Sources of over voltages – Capacitor switching – lightning – ferro resonance. Mitigation of voltage
swells – surge arresters – low pass filters – power conditioners. Lightning protection – shielding – line
arresters – protection of transformers and cables. An introduction to computer analysis tools for
transients, PSCAD and EMTP.
UNIT IV HARMONICS
Harmonic sources from commercial and industrial loads, locating harmonic sources. Power system
response characteristics – Harmonics Vs transients. Effect of harmonics – harmonic distortion -
voltage and current distortion – harmonic indices – inter harmonics – resonance. Harmonic distortion evaluation – devices for controlling harmonic distortion – passive and active filters. IEEE and IEC standards.
UNIT V POWER QUALITY MONITORING
Monitoring considerations – monitoring and diagnostic techniques for various power quality problems- modeling of power quality (harmonics and voltage sag) problems by mathematical simulation tools -power line disturbance analyzer –quality measurement equipment – harmonic / spectrum analyzer – flicker meters – disturbance analyzer. Applications of expert systems for power quality monitoring.
1. Roger. C. Dugan, Mark. F. McGranagham, Surya Santoso, H.Wayne Beaty, ‘Electrical Power
Systems Quality’ McGraw Hill,2003.(For Chapters1,2,3, 4 and 5)
1. G.T. Heydt, ‘Electric Power Quality’, 2nd Edition. (West Lafayette, IN, Stars in a
Circle Publications, 1994). (For Chapter 1, 2, 3 and 5)
2. M.H.J Bollen, ‘Understanding Power Quality Problems: Voltage Sags and Interruptions’, (New
York: IEEE Press, 1999). (For Chapters 1, 2, 3 and 5)
3. J. Arrillaga, N.R. Watson, S. Chen, ‘Power System Quality Assessment’, (New York: Wiley,
1999). (For Chapters 1, 2, 3, 4 and 5)
4. PSCAD User Manual
Anna University Power Quality Notes. download Anna university EE2028 PQ Lecture Notes , Subject Notes , Unit Wise Notes common for EEE 8th Semester by Clicking on the above link.
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