Course Details
Subject {L-T-P / C} : EE6250 : Flexible AC Transmission Systems { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Sanjeeb Mohanty
Syllabus
Module1:
Introduction to FACTS: FACTS Concept and general system consideration: Transmission Interconnections, Flow of Power in AC Systems, Loading capability, Power flow and Dynamic Stability Considerations of a transmission interconnection, Relative Importance of Controllable Parameters, Basic types of FACTS Controller. .
4 Hours
Module2:
Shunt Compensation : Static Shunt Compensators: Objectives of Shunt Compensation, Methods of Controllable VAR Generation, Static VAR Compensators: SVC and STATCOM, Comparison between STATCOM and SVC,
12 Hours
Module3:
Series Compensation: Static Series Compensators: Objectives of Series Compensation, Variable Impedance type Series Compensators, Switching Converter type Series Compensators, External Control for Series Reactive Compensators
10 Hours
Module4:
Angle Compensation: Static Voltage and Phase angle Regulators: Objective of Voltage and phase angle regulators, Approaches to Thyristor-controlled voltage and phase angle regulators, switching converter-based voltage and phase angle regulators, Hybrid phase angle regulators.
4 Hours
Module 5:
Combined Compensation: Combined Compensators: Unified power flow controller (UPFC) and Interline power flow controller (IPFC)
6 Hours
Course Objectives
- Understand the concepts of Flexible Power Transmission
- Understand Ideal shunt and practical shunt compensation using Thyristors (TCR) and Bridge Converters (STATCOM)
- Understand the concepts of ideal series, practical series using Thyristors (TCSC) and Converters (SSSC)
- Understand the concepts of Transient Stability Enhancement and Power Oscillation Damping using shunt and series compensation
Course Outcomes
CO1: Classify the FACTS devices into Thyristor based and Converter based. <br /> <br />CO2: Insight into the Transient Stability Enhancement, Power Oscillation Damping, Transient Stability Margin. <br /> <br />CO3: Understanding the voltage and the current waveforms with respect to thyristors and the converters for both shunt and series compensation. <br /> <br />CO4: Understanding the dynamics of stability of voltage regulation using SVC and STATCOM with the variation of line reactance. <br /> <br /> <br />CO5: Conceptual understanding of independently controlling the active and the reactive power through circular control regions. <br /> <br />CO6: Insight into the sub synchronous oscillation damping and resonance for series compensated transmission lines. .
Essential Reading
- N.G.Hingorani & L.Gyugyi, Understanding FACTS: Concepts and Technology of Flexible AC Transmission Systems,, IEEE Press, 1999 , It is nice for essential reading and should be used as the base text book
- Y. H. Song and A. T. Johns, Flexible AC Transmission Systems, , IET, 1999. , It is a good text book
Supplementary Reading
- 1. X.P. Zang, C. Rehtanz and B. Pal, Flexible AC Transmission Systems: Modeling and Control, Birkhauser, 2006. , It is fine for supplementary reading
- Acha, Esquivel, Prez and Camacho, Modeling and simulation in power networks, Wiley India Private Limited, 2012 , It is a decent text book