Asst. Prof. Taha Selim Ustun

School of Electrical and Computer Engineering,

Carnegie Mellon University, PA, USA

This website has 3 main topics:

1)      Courses offered

2)      Talks/Seminars given

3)      Papers published

OFFERED COURSES:

·         Fundamentals of Electrical Energy Systems, this course covers the following concepts:

-          Fundamentals of Electrical Power Networks

-          Generation, Transmission and Distribution Networks

-          Electrical Machines, Electromechanical Energy Conversion and Machine Control

-          Electricity Markets

-          Introduction to Microgrids, Renewable Energy based Generators and Smartgrids

 

·         Microgrids and Renewable Energy– New Age Electrical Systems, this course covers the following concepts:

-          Changing Power Network Structure and Operation Principles

-          Generation with Different Renewable Energy Sources & Network Integration

-          Design of Microgrids, Optimum Placement and Generation Combinations

-          Novel Control and Protection Strategies for Microgrids

-          Smartgrid Applications in Microgrids: Measurement, Control, Protection, Communication, Computing

 

·         Embedded System Design, this course covers the following concepts:

-          Microcontoller Architecture and Project Development

-          Assembler Programming for RISC such as PICs

-          Timing, Parallel Ports and Communication Aspects

-          Weekly Lab sessions for hands-on experience

-          Project Development as an integral part of the course

 

·         Introduction to Renewable Energy Systems, this course covers the following concepts:

-          Various Renewable Energy Technologies and in-depth understanding of the under-lying technologies

-          Availability and Spatial Distribution of these resources

-          Using International Databases to discover potentials of any given site

-          Electrical Project Development based on Renewable Energy

-          Hybrid systems, Mixing different Technologies and Resources

-          Cost-Benefit Analysis of these hybrid systems

-          Using software such as HOMER, to develop a real-life project

 

·         Power Electronics Fundamentals, this course covers the following concepts:

-          Semi-conductors background

-          Transistors, Thyristors

-          Different Types of Rectifiers, Inverters and Converters

-          FACTS devices, Power Flow Control

-          Power Quality and THD

 

·         Efficiency and Demand Side Management in Smartgrids, this course covers the following concepts:

-          Power conversion and efficiency considerations

-          Types of Load and Distributed Generators

-          Profiles of Different Loads and Different types of Renewable Energy

-          Smart Algorithms for Demand Side Management

 

·         Small Hydroelectric Systems, this course covers the following concepts:

-          Considerations for Small Hydroelectric Projects

-          Micro, Nano, Run-off river type of Hydro

-          Generator/Turbine Sizing

-          Environmental Impact and Economic Considerations

 

·         Electric Power System Basics, this course covers the following concepts:

-          A very light-weight introduction to power system basics for undergraduate students OR for non-electrical professionals

-          Generation, Transmission, Substation and Distribution

-          Consumption and System Protection

-          Interconnected Power Systems

-          SCADA Systems

-          Personal Protection

 

·         Energy Project Economics, this course covers the following concepts:

-          Different Renewable Energy Technologies and their cost-benefit-impact considerations

-          Modeling different load profiles for different sites

-          Preparing generation profile based on their availabilities

-          Optimizing the system with location-specific cost values

-          Including different parameters such as carbon-credit, amortization and environmental impact

-          Working out the social impact aspects

 

·         Electric Vehicles and their impacts on the Grid, this course covers the following concepts:

-          Electric Vehicle fundamentals

-          Charging Technologies

-          The impact on the Utility Grid and ways to mitigate them

-          Vehicle-to-grid (V2G) support

-          Smart Charging Algorithms

-          Innovative ways of using EVs for increased Renewable Energy penetration

 

·         Research Methodology for Masters in Electrical and Computer Engineering:

-          Literature Review

-          Identification of Knowledge Gaps in an Engineering Field

-          Formulating a Research Question and Identification of related Research Methodologies

-          Problem Modeling and Testing/Verification

-          Documentation and Reporting

-          Academic Paper Writing for Publication

 

INVITED TALKS

 

[1]       “Data, IoT and Smart Infrastructure for Smart Energy Revolution”, Institute for Advanced Sustainability Studies - IASS, June 2017, Potsdam, Germany

 

[2]       “Demand Side Management Techniques for a smoother transition to SmartGrid”, School of Electrical Engineering, Aalto University, April 2017, Helsinki, Finland

 

[3]       “Aerodynamics and Control of Pitch Controlled Wind Turbines”, University of Applied Sciences – Upper Austria, January 2017, Wels, Austria

 

[4]       “Microgrid and Virtual Power Plant Implementations for High Renewable Energy Penetration”, Energy Management Division, Digital Grid, Siemens AG, January 2017, Nuremberg, Germany

 

[5]       “Renewable Energy Revolution”, Power Systems Laboratory (PSL), ETH Zurich (ETHz), January 2017, Zurich, Switzerland

 

[6]       “New Trends in Power System and Renewable Energy Research”, Power Electronics and Renewable Energy Lab (PEARL), University Malaya, December 2016, Kuala Lumpur, Malaysia

 

[7]    “Future Grid”, Advanced Institute of Science and Technology (AIST), July 2016, Tsukuba, Japan

 

[8]    Open Access Energy, Waterloo Global Science Initiative, April 2016, Waterloo, Canada

 

[9]       Renewable Energy Research Symposium, European Union Energy Initiative (EUEI),  March 2016, Tlemcen, Algeria

 

[10]    Future Energy Leaders Forum, World Energy Council (WEC), United Nations, October 2015, Addis Ababa, Ethiopia

 

[11]    “Changing Paradigms in Power Networks”, Qatar Environmental and Energy Research Institute (QEERI), September 2015, Doha, Qatar

 

[12]    “Micro and Smart Grids in Future Smart Cities”, University of Wollongong-Dubai, August 2014, Dubai, United Arab Emirates

 

[13]    “Microgrid Research Fields: Management, Automation and Deployment”, Rwanda Development Board, December 2013, Kigali, Rwanda

 

[14]    “Adaptive Protection Approach for Microgrids with Distributed Generation”, School of Electrical and Computer Engineering, Carnegie Mellon University, July 2013, Pittsburgh, USA

 

PUBLICATIONS

All manuscripts can be found in IEEE Xplore and ScienceDirect (Elsevier) databases.

 

Peer-Reviewed Journal Papers

 

[1]             Andrew Hubble and Taha Selim Ustun, “Composition, Placement, and Economics of Rural Microgrids for Ensuring Sustainable Development”, Sustainable Energy, Grid and Networks, October 2017 Click here for PDF

 

[2]             Andrew Hubble and Taha Selim Ustun, “FutureGrid: Use of Microgrids in Underserved Communities”, in Development and Integration of Microgrids, Intech, August 2017 Click here for PDF

 

[3]             Ikbal Ali, S. M. Suhail Hussain, Ashok Tak and Taha Selim Ustun, “Communication Modeling for Differential Protection in IEC 61850 Based Substations”, IEEE Transactions on Industry Applications, July 2017

 

[4]             Taha Selim Ustun, " Experiences and Applications of Electric and Plug-in Hybrid Vehicles in Power System Networks", Smart Charging Technologies and Applications for Electric and Plug-in Hybrid Vehicles, Springer, February 2017

 

[5]             Islam Safak Bayram and Taha Selim Ustun, “A Survey on Behind the Meter Energy Management Systems in Smart Grid”, Renewable and Sustainable Energy Reviews, Sept. 2016, Click here for PDF

 

[6]             Nathan Williams, Paulina Jaramillo, Jay Taneja and Taha Selim Ustun, “Enabling Private Sector Investment in Microgrid-based Rural Electrification Developing Countries: A Review”, Renewable and Sustainable Energy Reviews, vol. 52, pp. 1268-1281, Dec. 2015. Click here for PDF 

 

[7]             Taha Selim Ustun and Reduan Khan "Multi-Terminal Hybrid Protection of Microgrids over Wireless Communication Networks“; IEEE Transactions on Smart Grid, vol.6, no.5, pp.2493-2500, Sept. 2015 Click here for PDF

 

[8]             Taha Selim Ustun, "Impacts of Electric Vehicles in  “Impact of EV and V2G on Smart Grid and Renewable Energy System”, Vehicle-to-Grid: Linking Electric Vehicles to the Smart Grid, The Institution of Engineering and Technology, July 2015

 

[9]             Taha Selim Ustun, "Computer-based Decision Making Systems for Improved Energy Access in Sub-Saharan Africa", Journal of Automation and Control Engineering, ISSN: 2301-3702, June 2015 Click here for PDF

 

[10]         Taha Selim Ustun, Cagil Ozansoy, Aladin Zayegh, "Investigation of Electric-Vehicle Potential of Australian-Households and Impact on Smartgrid", IEEE Industrial Electronics Magazine – Special issue on Microgrids, vol.7, no.4, pp.15,25, Dec. 2013 Click here for PDF

 

[11]         Taha Selim Ustun, Cagil Ozansoy, Aladin Zayegh, "Implementing Vehicle-to-Grid (V2G) Technology With IEC 61850-7-420", Smart Grid, IEEE Transactions on, vol.4, no.2, pp.1180,1187, June 2013 Click here for PDF

 

[12]         Taha Selim Ustun, Cagil Ozansoy, Aladin Zayegh, "Fault Current Coefficient and Time Delay Assignment for Microgrid Protection System with Central Protection Unit", Power Systems, IEEE Transactions on, vol.28, no.2, pp.598,606, May 2013 Click here for PDF

 

[13]         Taha Selim Ustun, Cagil Ozansoy, Aladin Zayegh, " Modeling of a Centralized Microgrid Protection System and Distributed Energy Resources According to IEC 61850-7-420", Power Systems, IEEE Transactions on, vol.27, no.3, pp.1560-1567, Aug. 2012 Click here for PDF

 

[14]         Taha Selim Ustun, Cagil Ozansoy, Aladin Zayegh, "Recent developments in microgrids and example cases around the world--A review," Renewable and Sustainable Energy Reviews, vol. 15, pp. 4030-4041, 2011 Click here for PDF

 

[15]         Taha Selim Ustun, Saad Mekhilef, “Design and Implementation of Static Synchronous Series Compensator with a Soft-Switching H-bridge Inverter with DSP-Based Synchronization Control”, International Review of Electrical Engineering, ISSN 1827- 6660, August 2010

 

[16]         Taha Selim Ustun, Saad Mekhilef, “Effects of a Static Synchronous Series Compensator (SSSC) based on soft switching 48-pulse PWM inverter on the Power Demand from the Grid”, Journal of Power Electronics, JPE, January 2010

 

[17]         Taha Selim Ustun, Saad Mekhilef, “A Quasi-resonant Soft Switching 48-pulse PWM Inverter with Closed Loop Current Control for the Realization of Static Synchronous Series Compensator (SSSC)”, Australian Journal of Basic and Applied Sciences, AJBAS July-Sept 2009, 3(3): 1814-1826

 

[18]         Taha Selim Ustun, Saad Mekhilef, “Power Line Compensation Study of a Static Synchronous Series Compensator (SSSC) Based on Soft Switching 48-pulse PWM Inverter”, Australian Journal of Basic and Applied Sciences, AJBAS April-June 2009, 3(2): 1301-1314

 

Refereed International Conference Papers

 

[1]             P. Nsonga, S. M. Suhail Hussain, A. Garba, T. S. Ustun and I. Ali, “Performance Evaluation of Electric Vehicle Ad-Hoc Network for charging management”, The 9th IEEE PES Asia-Pacific Power and Energy Engineering Conference, November 8-10, 2017, Bangalore, India

 

[2]             J. Nkiriki and T. S. Ustun, Mini-grid Policy Directions for Decentralized and Smart Energy Models in Sub-Saharan Africa, IEEE-PES Innovative SmartGrid Technologies Europe (ISGT-Europe), September 26-29, 2017, Torino, Italy Click here for PDF

 

[3]             T. S. Ustun, “The Importance of Microgrids & Renewable Energy in Meeting Energy Needs of the Brazilian Amazon”, IEEE 6th International Conference on Power and Energy (PECON 2016), 28-29 November 2016, Melaka, Malaysia

 

[4]             T. S. Ustun, “Interoperability and Interchangeability for Microgrid Protection Systems Using IEC 61850 Standard and Its Extensions”, IEEE 6th International Conference on Power and Energy (PECON 2016), 28-29 November 2016, Melaka, Malaysia

 

[5]             T. S. Ustun, “Overview of Grand Challenges and SmartGridResearch Framework for a Smooth Transition in Qatar’s Electrical Sector”, TENCON 2016 - 2016 IEEE Region 10 Conference, 22-25 November 2016, Marina Bay Islands, Singapore

 

[6]             A. Hubble and T. S. Ustun, “Feasibility of Microgrid Optimization and Grid Extensionfor Rural Electrification”, TENCON 2016 - 2016 IEEE Region 10 Conference, 22-25 November 2016, Marina Bay Islands, Singapore

 

[7]             A. Tak and T. S. Ustun, “Wireless Power Grid: Leapfrogging in power infrastructure of developing countries”, TENCON 2016 - 2016 IEEE Region 10 Conference, 22-25 November 2016, Marina Bay Islands, Singapore

 

[8]             J. Thornburg, B. Krogh and , T. S. Ustun, "Stochastic Simulator for Smart Microgrid Planning," Seventh ACM Symposium on Computing and Development , ACM-DEV 2016, Nairobi, Kenya, 18-20 November 2016. Click here for PDF

 

[9]             H. Keshan, J. Thornburg and T. S. Ustun, “Comparison of Lead-Acid and Lithium Ion Batteries for Stationary Storage in Off-Grid Energy Systems”, 4th International Conference on Clean Energy and Technology (CEAT), 14-15 November 2016, Kuala Lumpur, Malaysia

 

[10]         K. Masaba, A. Ntakirutimana and T. S. Ustun, “Design and Implementation of a Smart Irrigation System for Improved Water-Energy Efficiency”, 4th International Conference on Clean Energy and Technology (CEAT), 14-15 November 2016, Kuala Lumpur, Malaysia

 

[11]         P. Nsonga, S. M. Suhail Hussain, I. Ali and T. S. Ustun, “Using IEC 61850 and IEEE WAVE Standards in Ad-Hoc Networks for Electric Vehicle Charging Management”, 2016 IEEE Online Conference on Green Communications (OnlineGreenComm), 14-16 November 2016 Click here for PDF

 

[12]         K. Masaba, A. Ntakirutimana and T. S. Ustun, “Design and Implementation of a Load Scheduling Embedded System for Off grid Solar Power Systems”, IEEE-PES Innovative SmartGrid Technologies Europe (ISGT-Europe), 9-12 October 2016, Ljubljana, Slovenia Click here for PDF

 

[13]         R. Mbitiru, T. S. Ustun, T. Brown, “Modeling and Implementation of a Point of Sale System and Prepayment Meter Based on the IEC 62055-41 Metering Standard”,    9th EUROSIM Congress on Modelling and Simulation, EUROSIM2016,  12 - 16 September 2016, Oulu, Finland Click here for PDF

 

[14]         V. Kagimu and T. S. Ustun, “Novel Business Models and Policy Directions based on SE4ALL Global Framework for Minigrids”, 2016 IEEE International Conference on Emerging Technologies and Innovative Business Practices for the Transformation of Societies (EmergiTech), Port Louis, Mauritius, 2-6 August 2016 Click here for PDF

 

[15]         P. Nsonga and T. S. Ustun, “Integration of Communication Standards in Electrical Vehicle Ad-Hoc Networks for Smartgrid Support”, 2016 IEEE International Conference on Emerging Technologies and Innovative Business Practices for the Transformation of Societies (EmergiTech), Port Louis, Mauritius, 2-6 August 2016 Click here for PDF

 

[16]         A. H. Hubble and T. S. Ustun, "Scaling renewable energy based microgrids in underserved communities: Latin America, South Asia, and Sub-Saharan Africa," 2016 IEEE PES PowerAfrica, Livingstone, Zambia, 2016, pp. 134-138. Click here for PDF

 

[17]         J. Thornburg, T. S. Ustun and B. Krogh, "Smart microgrid operation simulator for management and electrification planning," 2016 IEEE PES PowerAfrica, Livingstone, Zambia, 2016, pp. 1-5. Click here for PDF

 

[18]         A. Ntakirutimana and T. S. Ustun, "Implementation of smart interface subsystems for enhanced control and communication in smartgrids," 2016 IEEE PES PowerAfrica, Livingstone, Zambia, 2016, pp. 16-20. Click here for PDF

 

[19]         Ikbal Ali, S. M. Suhail Hussain, Ashok Tak and Taha Selim Ustun, “Design and Simulation of Communication Architecture for Differential Protection in IEC 61850 Based Substations”, 12th IEEE International Conference on Electronics, Energy, Environment, Computer and Control, New Delhi, India, 17-20 December 2015  Click here for PDF

 

[20]         Stephen Odara, Zain Khan and Taha Selim Ustun, “Optimizing Energy Use of SmartFarms with Smartgrid Integration”, 3rd IEEE International Renewable and Sustainable Energy Conference (IRSEC), Marrakesh, Morocco, 8-10 December 2015 Click here for PDF

 

[21]         Diogene Niyigena, Concorde Habineza and Taha Selim Ustun, “Computer-based Smart Energy Management System for Rural Health Centers”, 3rd IEEE International Renewable and Sustainable Energy Conference (IRSEC), Marrakesh, Morocco, 8-10 December 2015 Click here for PDF

 

[22]         Ashok Tak and Taha Selim Ustun, “Design of a Generic Microgrid Testbed with Novel Control and Smart Technologies”, 3rd IEEE International Renewable and Sustainable Energy Conference (IRSEC), Marrakesh, Morocco, 8-10 December 2015 Click here for PDF

 

[23]         Diogene Niyigena, Concorde Habineza and Taha Selim Ustun, “Smart Energy Management for PV Energized Health Centers in Underserved Communities”, The 4th International Conference on Microgeneration and Related Technology, Tokyo, Japan, 28-30 October, 2015 Click here for PDF

 

[24]         Taha Selim Ustun, Umit Cali and Mithat Kisacikoglu “Energizing Microgrids with Electric Vehicles during Emergencies - Natural Disasters, Sabotage and Warfare”, 37th IEEE International Telecommunications Energy Conference (INTELEC 2015), Osaka, Japan, 18-22 October, 2015  Click here for PDF

 

[25]         Stephen Odara, Zain Khan and Taha Selim Ustun, “Integration of Precision Agriculture and SmartGrid technologies for Sustainable Development”, IEEE International Conference on Technological Innovations in ICT for Agriculture and Rural Development (TIAR), Madras, India, 10-12 July, 2015 Click here for PDF

 

[26]         Jesse Thornburg, Gabriela Hug, Taha Selim Ustun, Anthony Rowe and Bruce Krogh, “Incorporating Smart-Grid Operating Strategies into Off-Grid Electrification Planning”, 2015 SIAM Conference on Control and Its Applications (CT15), Paris, France, 8-10 July, 2015

 

[27]         Saqib Rehan Ayyubi, Yuan Mio and Taha Selim Ustun, “Agent Based Approach for Notifying AC Loads in Homes for Better Grid Planning in Smart Grids”,10th IEEE Conference on Industrial Electronics and Applications (ICIEA 2015), Auckland, New Zealand, June 15, 2015  Click here for PDF

 

[28]         Samuel A. Ilupeju, Freddie L. Inambao, Ntumba M. Mutombo, and Taha Selim Ustun “Small Hydro- Power For Sustainable Energy Generation In Africa- Pumped Storage Hybrid System Case Study”, Domestic Use of Energy Conference (DUE), 2015 Proceedings of the 11th, Cape Town, South Africa, 30 March - 1 April 2015

 

[29]         Paul Buchana, Taha Selim Ustun, “The Role of Microgrids & Renewable Energy in Addressing Sub-Saharan Africa’s Current and Future Energy Needs”, IEEE International Renewable Energy Congress (IREC), Sousse, Tunisia, 26-28 March 2015 Click here for PDF

 

[30]         Jean Pierre Murenzi, Taha Selim Ustun, “The Case for Microgrids in Electrifying Sub-Saharan Africa”, IEEE International Renewable Energy Congress (IREC), Sousse, Tunisia, 26-28 March 2015 Click here for PDF

 

[31]         Abdurrahman Hadbah, Taha Selim Ustun, Akhtar Kalam, "Using IEDScout Software for Managing Multivendor IEC61850 IEDs in Substation Automation Systems",  Smart Grid Communications (SmartGridComm), 2014 IEEE International Conference on, 3 – 5 November 2014, Venice, Italy Click here for PDF

 

[32]         Taha Selim Ustun, “Modeling Electrical Networks with Object Oriented Data Structures for Smart Control”, Industrial and Commercial Use of Energy Conference (ICUE), 2014 Proceedings of the 11th , Cape Town, South Africa, 18-20 Aug. 2014 Click here for PDF

 

[33]         Taha Selim Ustun, Bruce Krogh, “Building a Truly Smart Grid: What Can We Do When There Is No Legacy System?”, 2013 NationalWorkshop on Energy Cyber-Physical Systems, National Science Foundation (NSF),  Washington D.C., December 2013

 

[34]         Taha Selim Ustun, Reduan Khan, Abdurrahman Hadbah, Akhtar Kalam, Jamil Khan " An Adaptive Microgrid Protection Scheme Based on a Wide-Area Smart Grid Communications Network“; 5th IEEE Latin-American Conference on Communications 2013, 24-26 November, Santiago – Chile Click here for PDF

 

[35]         Reduan Khan, Taha Selim Ustun, Jamil Khan, "Differential protection of microgrids over a WiMAX network",  Smart Grid Communications (SmartGridComm), 2013 IEEE International Conference on , vol., no., pp.732,737, 21-24 Oct. 2013 Click here for PDF

 

[36]         Taha Selim Ustun, Abdurrahman Hadbah, Akhtar Kalam, "Interoperability and Interchangeability Considerations in Microgrids Employing IEC 61850 Standard“; IEEE International Conference on Smart Grid Engineering (SGE’13)  28-30 August, 2013  UOIT, Oshawa, Canada Click here for PDF

 

[37]         Taha Selim Ustun, Cagil Ozansoy, Aladin Zayegh, "Differential Protection of Microgrids with Central Protection Unit Support," IEEE TENCON Spring 2013 Conference in Sydney Australia,  17-19 April 2013 Click here for PDF

 

[38]         Taha Selim Ustun, Cagil Ozansoy, Aladin Zayegh, "Modeling and Simulation of a Microgrid Protection System with Central Protection Unit," IEEE TENCON Spring 2013 Conference in Sydney Australia,  17-19 April 2013 Click here for PDF

 

[39]         Taha Selim Ustun, Cagil Ozansoy, Aladin Zayegh, " Simulation of Communication Infrastructure of a Centralized Microgrid Protection System Based on IEC 61850-7-420," in Third IEEE International Conference on Smart Grid Communications (SmartGridComm), Tainan City, Taiwan, November 2012. Click here for PDF

 

[40]         Jarred Wentzel, Taha Selim Ustun, Cagil Ozansoy, and Aladin Zayegh; “Investigation of Micro-Grid Behavior While Operating Under Various Network Conditions"; IEEE International Conference on Smart Grid Engineering (SGE’12)  27-29 August, 2012  UOIT, Oshawa, Canada Click here for PDF

 

[41]         Taha Selim Ustun, Cagil Ozansoy, and Aladin Zayegh; “Extending IEC 61850-7-420 for Distributed Generators with Fault Current Limiters”; Innovative Smart Grid Technologies Conference ASIA (ISGT Asia), 2011 IEEE PES, Perth, Australia, 13-17 Nov., 2011 Click here for PDF

 

[42]         Taha Selim Ustun, Cagil Ozansoy, Aladin Zayegh, "Implementation of Dijkstra’s Algorithm in a Dynamic Microgrid for Relay Hierarchy Detection," in Second IEEE International Conference on Smart Grid Communications (SmartGridComm), Belgium, 2011. Click here for PDF

 

[43]          Taha Selim Ustun, Cagil Ozansoy, Aladin Zayegh, "Distributed Energy Resources (DER) Object Modeling with IEC 61850-7-420," in Power Engineering Conference, AUPEC. Australasian Universities, 2011. Click here for PDF

 

[44]          Taha Selim Ustun, Cagil Ozansoy, Aladin Zayegh, "A microgrid protection system with central protection unit and extensive communication," in Environment and Electrical Engineering (EEEIC), 2011 10th International Conference on, 2011, pp. 1-4 Click here for PDF

 

[45]          Taha Selim Ustun, Cagil Ozansoy, Aladin Zayegh, "A central microgrid protection system for networks with fault current limiters," in Environment and Electrical Engineering (EEEIC), 2011 10th International Conference on, 2011, pp. 1-4. Click here for PDF

 

[46]          Taha Selim Ustun, Saad Mekhilef, “A Quasi-Resonant Soft Switching 48-pulse PWM inverter with closed loop current control for the realization of FACTS devices”, Proceedings of Australasian Universities Power Engineering Conference AUPEC ‘08 , Sydney, Australia, December 2008