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Reliability Issues in Power System Operations and Planning
with Renewable Energy Sources
Speaker: Chanan Singh, IEEE Fellow, Texas A&M University, USA
Date: 16 September 2009 (Wednesday)
Time : 3.00 pm to 4:00 pm (refreshments
will be served after the seminar)
Venue: E3-06-05, Engineering Block E3, NUS
Abstract
With diminishing fossil-fuel reserves and greater awareness of environmental
concerns resulting in stricter environmental regulations, there is a heightened
emphasis on exploiting various renewable sources of energy. These alternative
sources of energy are usually environmentally friendly and emit no or less
pollutants. Perhaps the two
sources that are receiving relatively higher attention are the wind and solar.
However, the capital investments for those renewable sources of energy are
normally high and there are also maintenance cost differences to be considered.
Furthermore, due to the variable nature of some of these power sources,
reliability issues should be addressed when
integrating different power sources into the electrical grid. In this talk,
impact of renewables and the associated reliability concerns will be explored. A
methodology for studying these impacts will be briefly outlined which can help
in making cost benefit analysis. Then examples of several applications will be
described. One example, the design of
hybrid generating systems comprising wind turbine generators, photovoltaic
panels, and storage batteries is discussed based on multidisciplinary
optimization. In this multi-source generation system design, three design
objectives are considered, that is, system cost, reliability, and pollutant
emissions. The second example is economic
dispatch with wind power. Here it is shown how risk and cost can be balanced due
to stochastic nature of wind speed. The third example is wind form
diversification. Here it is shown how the output swings can be reduced by
diversifying the distribution of wind turbines and how this can help in the
reliability of the system. The applications illustrated
by using wind turbines can also be used for other renewable with varying output.
Biography
Chanan Singh is currently Regents Professor and Irma Runyon Chair Professor in
the Department of Electrical and Computer Engineering, Texas A&M University,
College Station, USA. From 1995 to 1996, he served as the Director of Power
Program at the National Science Foundation, and from 1997 to 2005, he served as
the Head of the Electrical and Computer Engineering Department at Texas A&M
University. His main research and consulting interests are in the application of
probabilistic methods to
power systems and transfer capacity calculations. He has authored/co-authored
over 300 technical papers, two books and has
contributed to several books. He has consulted with many major corporations and
given short courses nationally and internationally.
Dr. Singh is a Fellow of IEEE and the recipient of the 1998 Outstanding Power
Engineering Educator Award given by the IEEE Power Engineering Society. For his
research contributions, he was awarded a D.Sc. degree by the University of
Saskatchewan, Saskatoon, Canada, in 1997. In 2008, he was recognized with the
Merit Award by the PMAPS International Society for his contributions to the
development of probabilistic methods for power systems.
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