Generalized congestion of power systems: insights from the massive blackouts in India

The Indian power system underwent two separate massive blackouts on 30th and 31st of July 2012. These blackouts exposed a series of inherent problems underlying the power system of India, such as its generation planning, transmission planning, grid infrastructure, management systems, primary energy resources, environmental constraints, electricity market, and information technology, which together aggravate the massive blackouts. These factors which affect the adequacy and security of the power supply in a similar manner as the transmission congestion of physical grids does, can be called by a generic term as generalized congestion. Competitive manipulations and “game-playing” between various interested parties further intensifies these congestions. Here, from the perspective of generalized congestions, the paper reflects the inevitability of India’s massive blackouts, discusses occasional effects of trigger events, inherent evolution law of blackouts and the enlightenment on power industry in China, and explores risk control measures to defend blackouts in China. The positive role of strong smart grid in insuring energy and environment security is highlighted.

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