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Method for generation rescheduling and load shedding to alleviate line overloads using local optimisation

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3 Author(s)
Shandilya, A. ; Dept. of Electr. Eng., Roorkee Univ., India ; Gupta, H. ; Sharma, J.

The alleviation of emergency transmission line overload is a critical problem in power system operation. A method is presented for generation rescheduling and load shedding to alleviate line overloads, with the help of a local optimisation concept. The method developed is superior to existing methods, as the new secure operating point is obtained for all line overload cases efficiently, and a significantly smaller amount of load shedding is required. It is an aid to the load dispatcher and will find extensive applications in operational planning, security studies and the reliability evaluation of power systems. Test results for the 14-bus, 118-bus IEEE test systems, 6-bus and 26-bus SPC systems, and the 64-bus model of the North-West power system of India are presented to show the effectiveness of the method

Published in:

Generation, Transmission and Distribution, IEE Proceedings C  (Volume:140 ,  Issue: 5 )