TIEE3003 HVDC and FACTS Syllabus:

TIEE3003 HVDC and FACTS Syllabus – Anna University Regulation 2023

COURSE OBJECTIVES:

To understand:
• The problems in AC transmission systems and DC transmission systems
• The operation and control of SVC and TCSC
• The concepts of IGBT based FACTS controllers
• The basic operation Line Commutated Converter(LCC) based HVDC links
• The features of voltage source converter based HVDC link.

UNIT I INTRODUCTION

Reactive power control in electrical power transmission lines–load & system compensation, Uncompensated transmission line–shunt and series compensation. Need for HVDC Transmission, Comparison between AC & DC Transmission, , Types of HVDC transmission System.

UNIT II STATIC VAR COMPENSATOR (SVC) AND THYRISTOR CONTROLLED SERIES COMPENSATOR (TCSC)

VI characteristics of FC+TSR, TSC+TSR, Voltage control by SVC–Advantages of slope in dynamic characteristics–Influence of SVC on system voltage–Design of SVC voltage regulator, Thyristor Controlled Series Compensator (TCSC), Concept of TCSC, Operation of the TCSC–Different modes of operation, Applications:

UNIT III VOLTAGE SOURCE CONVERTER BASED FACTS CONTROLLERS

Static Synchronous Compensator (STATCOM)–Principle of operation–V-I Characteristics. Applications: Steady state power transfer-enhancement of transient stability-prevention of voltage instability. SSSCoperation of SSSC VI characteristics, Enhancement in Power transfer capability –, UPSC – Operation Principle Applications.

UNIT IV LINE COMMUTATED HVDC TRASMISSION

Operation of Gratz bridge – Effect of delay in Firing Angle – Effect of commutation overlap – Equivalent circuit,. Basic concept of HVDC transmission. Model of operations and control of power flow CC and CIA mode of operation

UNIT V VSC BASED HVDC TRANSMISSION

Basic 2 level IGBT inverter operation- 4 Quadrant operation- phase angle control- dq control- Control of power flow in VSC based HVDC Transmission, Topologies of MTDC system.

TOTAL: 45 PERIODS

SKILL DEVELOPMENT ACTIVITIES (Group Seminar/Mini Project/Assignment/Content Preparation / Quiz/ Surprise Test / Solving GATE questions/ etc)

1. Simulation of FC+TSR connected to IEEE 5 bus system
2. Realization of reactive power, support by SVC in open loop and closed loop control in simulation.
3. Regulation of line flows employing TCSC and TSSC in closed loop control in simulation
4. Simulation of two terminal HVDC Link, closed loop control in CC and CIA mode in simulation
5. Realization of four quadrant operation of VSC in open loop mode in simulation

COURSE OUTCOMES:

After completion the above subject, students will be able to understand
CO1: To Identify and understand the problems in AC transmission systems and understand the need for Flexible AC transmission systems and HVDC Transmission
CO2: To understand the operation and control of SVC and TCSC and its applications to enhance the stability and damping.
CO3: To Analyze basic operation and control of voltage source converter based FACTS controllers
CO4: To demonstrate basic operation and control of Line Commutated HVDC Transmission
CO5: To explain the d-q control based operation of VSC based HVDC Transmission

TEXT BOOKS:

1. R.Mohan Mathur, Rajiv K.Varma ,“Thyristor–Based Facts Controllers for Electrical Transmission Systems”, IEEE press andJohnWiley&Sons,Inc,2002.
2. Narain G.Hingorani, “Understanding FACTS-Concepts and Technology of Flexible AC Transmission Systems”, Standard Publishers Distributors,Delhi-110006,2011.

REFERENCES:

1. K.R.Padiyar,”FACTS Controllersin Power Transmission and Distribution”, New Age International (P) Limited, Publishers, New Delhi, 2008
2. A.T.John,“FlexibleA.C.Transmission Systems”,Institution of Electrical and Electronic Engineers(IEEE), 1999.
3. V.K.Sood, HVDC and FACTS controllers–Applications of Static Converters in Power System, APRIL2004,KluwerAcademic Publishers,2004.