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SYLLABUS
UNIT-I
INTRODUCTION Overview of power quality – Concern about the power quality – General classes of power quality and voltage quality problems – Transients – Long-duration voltage variations – Short-duration voltage variations – Voltage unbalance – Waveform distortion – Voltage fluctuation – Power frequency variations.
UNIT-II
VOLTAGE IMPERFECTIONS IN POWER SYSTEMS Power quality terms – Voltage sags – Voltage swells and interruptions – Sources of voltage sag, swell and interruptions – Nonlinear loads – IEEE and IEC standards. Source of transient over voltages – Principles of over voltage protection – Devices for over voltage protection – Utility capacitor switching transients.
UNIT-III
VOLTAGE REGULATION AND POWER FACTOR IMPROVEMENT Principles of regulating the voltage – Device for voltage regulation – Utility voltage regulator application – Capacitor for voltage regulation – End-user capacitor application – Regulating utility voltage with distributed resources – Flicker – Power factor penalty – Static VAR compensations for power factor improvement.
UNIT-IV
HARMONIC DISTORTION AND SOLUTIONS Voltage distortion vs Current distortion – Harmonics vs Transients – Harmonic indices – Sources of harmonics – Effect of harmonic distortion – Impact of capacitors, Transformers, Motors and meters – Point of common coupling – Passive and active filtering – Numerical problems.
UNIT-V
DISTRIBUTED GENERATION AND POWER QUALITY Resurgence of distributed generation – DG technologies – Interface to the utility system – Power quality issues and operating conflicts – DG on low voltage distribution networks.
UNIT-VI
MONITORING AND INSTRUMENTATION Power quality monitoring and considerations – Historical perspective of PQ measuring instruments – PQ measurement equipment – Assessment of PQ measuring data – Application of intelligent systems – PQ monitoring standards.
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CategoriesEngineering
Format EPUB
TypeeBook