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Solution of short-term hydrothermal scheduling using sine cosine algorithm

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Abstract

Hydrothermal scheduling is an important issue in the field of power system economics. The aim of the short-term hydrothermal scheduling is to optimize the hourly output of power generation for different hydrothermal units for certain intervals of time to minimize the total cost of generations. The purpose of this article is to propose a new population-based algorithm named sine cosine algorithm to solve short-term hydrothermal scheduling problem. Hydrothermal scheduling problem is considered as an optimization problem by formulating objective function taking different equality and inequality constraints. Along with valve point loading effect, transmission loss is also considered. Here six different test systems are considered with different cost functions to verify the performance of sine cosine algorithm. The results obtained by sine cosine algorithm are compared with the results obtained by other recently developed techniques, and it was observed that it provides superior results than others in terms of generation cost as well as simulation time. Sine cosine algorithm is still new and has not yet been applied by the researchers in the field of power system. Therefore, the researchers may apply this algorithm in a different power system-related problems.

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Acknowledgements

The authors would like to acknowledge Department of Electrical Engineering, NIT Agartala, for providing laboratory facilities.

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Correspondence to Sujoy Das.

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The authors have no conflict of interest.

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Communicated by V. Loia.

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Das, S., Bhattacharya, A. & Chakraborty, A.K. Solution of short-term hydrothermal scheduling using sine cosine algorithm. Soft Comput 22, 6409–6427 (2018). https://doi.org/10.1007/s00500-017-2695-3

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  • DOI: https://doi.org/10.1007/s00500-017-2695-3

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