Load flow analysis of grid disturbance - Tapa blanda

Sinopsis

In India, Power system for planning and operational purposes is divided into five regional grids. The synchronously connected NEW Grid comprising of the Northern, Western, Eastern, Southern and North-Eastern Grids. The All India demand met is of the order of 110,000 MW currently. There have been major grid disturbances on the 30th and the 31st July 2012 which have affected large parts of the Indian Electricity Grids. Due to high load and failure of monsoon, Northern Region was drawing a large quantum of power from neighboring Western and Eastern Grids whereas due to rains in Western Region demand was less and it was under drawing. This situation led to a much skewed load generation balance among the regions. A large quantum of power was flowing from the Western Grid to the Northern Grid directly as well as through the Eastern Grid and the system was under stress. Even if a lot of data was available, the operators at different control centers did not take the proper actions in time to prevent the blackouts. This depends partly on the reorganization of the control centers after the deregulation and partly on the lack of reliable decision support systems when the system is close to in

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