# Btech Aktu Power Quality and FACTS (KEE-074) Syllabus

Discover the AKTU B.Tech syllabus for Power Quality and FACTS (Flexible AC Transmission Systems), and learn about the basics of ensuring a steady and high-quality power supply. Dive into cutting-edge grid-performance technologies.

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## UNIT-1: INTRODUCTION TO POWER QUALITY

• Terms and definitions of transients,
• Long duration Voltage Variations: under Voltage,
• Under Voltage and Sustained Interruptions;
• Short Duration Voltage Variations: interruption, Sag, Swell;
• Voltage Imbalance;
• Notching DC offset,
• Waveform distortion;
• Voltage fluctuation;
• Power frequency variations.

## UNIT-2: VOLTAGE SAG

• Sources of voltage sag: motor starting, arc furnace, fault clearing etc;
• Estimating voltage sag performance and principle of its protection;
• Solutions at end user level-Isolation Transformer,
• Voltage Regulator,
• Static UPS,
• Rotary UPS, and Active Series Compensator.

## UNIT-3: ELECTRICAL TRANSIENTS

• Sources of Transient Over voltages
• Atmospheric and switching transients
• Motor starting transients, pf correction capacitor switching transients,
• Ups switching transients,
• Neutral voltage swing etc;
• Devices for over voltage protection.

## UNIT-4: FACT SYSTEMS

• Introduction – Terms & Definition,
• Fact Controllers,
• Type of FACT devices ie. SSC, SVC, TSC, SSS, TCSC,
• UPFC Basic relationship for power flow control.

## UNIT-5: HARMONICS

• Causes of harmonics;
• Current and voltage harmonics: measurement of harmonics;
• Effects of harmonics on-Transformers,
• AC Motors,
• Capacitor Banks, Cables, and Protection Devices,
• Energy Metering,
• Communication Lines etc.,
• Harmonic Mitigation Techniques.