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IEEE Smart Grid Newsletter - June 2013

High Performance Computing and Security Analysis

It was shown almost fifty years ago how to apply sparsity programming techniques to power flow analysis, and several decades later ways were found to adapt those techniques to vector processing. But this kind of processing for security analysis required expensive supercomputers. Now, thanks to inexpensive processing cards spun off from those used in computerized gaming, we are on our way to being able to process large numbers of AC power flow cases on power system models and identify worrisome cases.

Edison’s Revenge: Could DC Carve Out a Place in Our AC Grids?

George Westinghouse and Nikola Tesla won the “war of currents” a century ago, but Thomas Edison may have the last word. Profoundly new circumstances and revolutionary new technologies favor direct current in addition to or even instead of alternating current power for many applications.

Is DC’s Place in the Home?

Given changes in how people are using electricity, is an AC-only electrical system still the right option for a residence of the future? Conversion losses already are growing with wide use of consumer electronics, and they will get bigger still as photovoltaic and car-charging systems evolve. This is why experts are starting to seriously consider the prospect of hybrid AC/DC residential electrical systems.

Markets 3.0: Integrating the Demand Side

As demand response mechanisms allowing for rapid and automatic responses to market conditions become ubiquitous in grids—a development dubbed Markets 3.0—there will be wide implications for both technology and procedures. For example, the smart meters being rolled out today may not be quite smart enough; measurement and validation tasks used in settlements will have to be rethought; and there will be demand for appliances capable of acting and reacting autonomously.

About the Smart Grid Newsletter

A monthly publication, the IEEE Smart Grid Newsletter features practical and timely technical information and forward-looking commentary on smart grid developments and deployments around the world. Designed to foster greater understanding and collaboration between diverse stakeholders, the newsletter brings together experts, thought-leaders, and decision-makers to exchange information and discuss issues affecting the evolution of the smart grid.


Bruce WollenbergBruce Wollenberg, a Life Fellow of the IEEE and a member of the National Academy of Engineering, has been a professor of electrical engineering at the University of Minnesota since 1989.
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Steven E. Collier Steven E. Collier is Vice President of Business Development at Milsoft Utility Solutions. Operating from his office in Austin, Texas, he assists Milsoft with corporate business development and industry relations.
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Doug HousemanDoug Houseman an IEEE member, is vice president for technical innovation at EnerNex and has served as chief technology officer at Capgemini.
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Ralph D. MasielloRalph D. Masiello, an IEEE fellow, is Innovation Director and Senior Vice President at KEMA in Chalfont, Pa. He received his B.S., M.S. and Ph.D. in electrical engineering from the Massachusetts Institute of Technology.
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