Talks & Seminars
Title: Power Grids: Normal Operation and Failures
Prof. Anil Kulkarni, Department of Electrical Engineering, IIT Bombay
Date & Time: January 25, 2013 19:30
Venue: Lecture Hall, 03rd Floor, B Block, Department of Computer Science and Engineering, Kanwal Rekhi Building
Electrical Technology was founded on the remarkable discovery by Faraday that a changing magnetic flux creates an electric field. Out of that discovery, grew the largest and most complex engineering achievement of man: the interconnected electric power grid. Even as we read this, electrical energy is being produced at rates in excess of hundreds of giga-watts (1 GW = 1,000,000,000 W). Giant rotors spinning at speeds up to 3000 rotations per minute bring us energy from falling water, fossil fuels and wind. Yet we notice electricity only when the lights go out. How does a power system with millions of individual components connected together work reliably enough for us to take it for granted? And when a power grid fails, why does it collapse so dramatically? This talk will first present an overview of the structure of a power grid, the major components and their constraints, and the operation, protection and control of the grid. The reasons why a large power grid may fail are brought out, with an analysis of the recent blackout in India. Can communication technologies help?
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