A static compensator (STATCOM), also known as static synchronous compensator, is a member of the flexible alternating current transmission system (FACTS) devices. It is a power-electronics based regulating device which is composed of a voltage source converter (VSC) and is shunt-connected to alternating current electricity transmission and distribution networks. The voltage source is created from a DC capacitor and the STATCOM can exchange reactive power with the network. It can also supply some active power to the network, if a DC source of power is connected across the capacitor. A STATCOM is usually installed in the electric networks with poor power factor or poor voltage regulation to improve these problems. In addition, it is used to improve the voltage stability of a network. This book covers STATCOMs from different aspects. Different converter topologies, output filters and modulation techniques utilized within STATCOMs are reviewed. Mathematical modeling of STATCOM is presented in detail and different STATCOM control strategies and algorithms are discussed. Modified load flow calculations for a power system in the presence of STATCOMs are presented. Several applications of STATCOMs in transmission and distribution networks are discussed in different examples and optimization techniques for defining the optimal location and ratings of the STATCOMs in power systems are reviewed. Finally, the performance of the network protection scheme in the presence of STATCOMs is described. This book will be an excellent resource for postgraduate students and researchers interested in grasping the knowledge on STATCOMs.

Provides insight on both classical means and new trends in the application of power electronic and artificial intelligence techniques in power system operation and control This book presents advanced solutions for power system controllability improvement, transmission capability enhancement and operation planning. The book is organized into three parts. The first part describes the CSC-HVDC and VSC-HVDC technologies, the second part presents the FACTS devices, and the third part refers to the artificial intelligence techniques. All technologies and tools approached in this book are essential for power system development to comply with the smart grid requirements. Discusses detailed operating principles and diagrams, theory of modeling, control strategies and physical installations around the world of HVDC and FACTS systems Covers a wide range of Artificial Intelligence techniques that are successfully applied for many power system problems, from planning and monitoring to operation and control Each chapter is carefully edited, with drawings and illustrations that helps the reader to easily understand the principles of operation or application Advanced Solutions in Power Systems: HVDC, FACTS, and Artificial Intelligence is written for graduate students, researchers in transmission and distribution networks, and power system operation. This book also serves as a reference for professional software developers and practicing engineers.

This Green Book offers the outstanding expertise of CIGRE professionals about Flexible AC Transmission Systems (FACTS) in one concise handbook. FACTS are used to enhance AC power networks, by providing fast control of power flows and AC voltage and AC phase angles. They can be used to defer the need for additional power lines, by controlling the power flow on lines to achieve maximum utilisation of the existing lines, and/or by improving the power quality, e.g. when large disturbing loads are connected to the network. This Green Book on FACTS provides comprehensive information about the use of Power Electronics for AC system control and for Power Quality Improvement in its over 1000 pages. This book has been written by experts in the field, who come from Transmission System Operators, Network owners, manufacturers, and consultants in this field. This Green Book on FACTS covers a large range of topics in its 6 sections, as follows: AC Systems Characteristics, AC network control using conventional means and AC network control using FACTS Controllers Technical Descriptions of all current FACTS controllers, power electronic Topologies for FACTS, SVCs, STATCOM, TCSC and the UPFC and its variations Application Examples of all FACTS controllers, which include a description of controllers using saturation of iron as well as examples of all current FACTS controllers Planning and Procurement, including economic appraisals and cost benefit analysis, planning studies, environmental considerations, functional specifications Implementation of FACTS controllers, including integration and design studies, equipment design and testing and commissioning FACTS operation and lifetime management.

A thorough and exhaustive presentation of theoretical analysis and practical techniques for the small-signal analysis and control of large modern electric power systems as well as an assessment of their stability and damping performance.

The first book to provide comprehensive coverage of FACTS power systems modeling and simulation. * Detailed coverage of the development of FACTS controllers and guidance on the selection of appropriate equipment * Computer modelling examples of the FACTS controllers for steady-state and transient stability systems * Numerous case studies and practical examples

Uma das fases importantes no planejamento dos Sistemas Elétricos de Potência é a verificação do seu comportamento dinâmico. Sob este aspecto é conveniente que se tenha uma modelagem mais real possível de todos os componentes do sistema, havendo particular interesse numa boa representação principalmente das máquinas (geradores e síncronos). Ultimamente, os Compensadores Estáticos (SVS) tem sido um elemento valioso no controle da potência reativa dos sistemas Elétricos de EAT. Desta forma, os programas digitais até então utilizados tiveram que ser convenientemente modificados a fim de considerar este novo equipamento. A finalidade deste trabalho é apresentar a representação dos SVS nos programas de estabilidade. O enfoque principal será dados aos SVS controlados a tiristores (TCR, TCT, TSC ou mistos) nos quais há intervenção de sistemas específicos de controle. Com base na modelagem proposta, é feita uma análise da operação dos SVS a tiristores em regime permanente e, em transitório. Conjuntamente com a apresentação dos vários tipos de SVS a tiristores, é introduzida uma metodologia para a determinação de seus valores nominais, suas principais características operativas, fazendo-se, sempre que possível, uma comparação com outros tipos de Compensadores Estáticos e, com os Compensadores Síncronos atualmente em operação.

Theoretische Grundlagen und praktische Details werden in diesem Band gleichermaßen tiefgründig abgehandelt. Beispiele und Fallstudien zum Entwurf von Steuerungen und zur Messung der Leistungsfähigkeit runden den Text ab.