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Improvement in the Quality of Delivery of Electrical Energy using Power Electronics Systems

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Electrical power is ubiquitous and continuously increasing in demand, with the result that power systems often operate close to their stability and thermal ratings. In order to tackle this problem, extraordinary changes are now taking place in the electrical supply industry worldwide, and conventional electromechanical technologies are becoming replaced by power electronics equipment.



"Improvement in the Quality of Delivery of Electrical Energy using Power Electronics Systems" provides a detailed review of power electronics systems, covering both Flexible AC Transmissions Systems (FACTS) and Custom Power Systems (CUPS).


"Improvement in the Quality of Delivery of Electrical Energy using Power Electronics Systems" is a valuable resource for researchers and advanced postgraduate students in the fields of power quality improvement and distributed electrical power systems. This monograph will also be of interest to professionals working in industries such as telecommunication, where solutions are needed to improve the quality of the electrical power supply.

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Contents
1 Introduction....................................................................................................... 1
2
3
4
5
6
Quality of Delivery............................................................................................ 9 2.1 Limitations of the Transmission Systems .................................................. 9  2.1.1 FACTS to Enhance Limitations of the Transmission Systems ..... 10 2.2 Power Quality .......................................................................................... 11  2.2.1 Equipment Used to Enhance PQ................................................... 14
Traditional Power Electronics Systems for Transmission Control............ 17 3.1 Power Flow Control................................................................................. 17 3.2 Converter Based FACTS ......................................................................... 25  3.2.1 Series Devices .............................................................................. 26  3.2.2 Shunt Devices ............................................................................... 33  3.2.3 Combined Devices........................................................................ 40  3.2.4 HVDC........................................................................................... 46
Modern Power Electronics Systems for Transmission Control.................. 53 4.1 SSSC Based Interline Power Flow Controllers........................................ 53 4.2 Combined Interline Power Flow Controllers ........................................... 64
Probabilistic Dimensioning of the Systems for Transmission Control....... 71 5.1 Interline Power Flow Controllers – Probabilistic Dimensioning ............. 71  5.1.1 IPFC Theoretical Investigations ................................................... 74  5.1.2 IPFC Experimental Investigations ................................................ 78 5.2 STATCOM – Probabilistic Dimensioning............................................... 81 5.3 Summary.................................................................................................. 86
Energy End-use Power Electronics Systems................................................ 89 6.1 Converters Suitable for Custom Power Systems ..................................... 89  6.1.1 Single Phase Converters ............................................................... 89  6.1.2 Three Phase Converters ................................................................ 90  6.1.3 Matrix Converters......................................................................... 91
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Contents
6.2 6.3 6.4
6.1.4 Multilevel Converters ................................................................... 92 Compensating Type Custom Power Systems .......................................... 97 6.2.1 Single Phase UPQC .................................................................... 101 6.2.2 Three Phase UPQC..................................................................... 104 Voltage Source Custom Power Systems ................................................ 117 6.3.1 Voltage Active Power Filter ....................................................... 118 6.3.2 Symmetrical Voltage Active Power Filter.................................. 131 Compensating and Voltage Source Custom Power Systems – Comparison of Properties ...................................................................... 142
Conclusions.................................................................................................... 147 7.1 Summary of Results............................................................................... 147 7.2 Future Work........................................................................................... 149
Appendices.......................................................................................................... 157
Acronyms and Symbols...................................................................................... 169
References........................................................................................................... 173
About the Author................................................................................................ 187
Index.................................................................................................................... 189
http://www.springer.com/978-1-84628-648-3