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Energies 2018, 11(5), 1038;

A Smart Grid Framework for Optimally Integrating Supply-Side, Demand-Side and Transmission Line Management Systems

School of Mathematics, Statistics and Computer Science, University of KwaZulu-Natal, Westville Campus, Private Bag X54001, Durban 4000, South Africa
Department of Electrical Power Engineering, Durban University of Technology, Durban 4001, South Africa
Department of Electrical and Computer Engineering, Elizade University, Ilara-Mokin P.M.B. 002, Ondo State, Nigeria
Author to whom correspondence should be addressed.
Received: 7 March 2018 / Revised: 4 April 2018 / Accepted: 6 April 2018 / Published: 24 April 2018
(This article belongs to the Section Electrical Power and Energy System)
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A coordinated centralized energy management system (ConCEMS) is presented in this paper that seeks to integrate for optimal grid operation—the supply side energy management system (SSEMS), home energy management system (HEMS) and transmission line management system (TLMS). ConCEMS in ensuring the optimal operation of an IEEE 30-bus electricity network harmonizes the individual objective function of SSEMS, HEMS and TLMS to evolve an optimal dispatch of participating demand response (DR) loads that does not violate transmission line ampacity limits (TLMS constraint) while minimizing consumer cost (HEMS constraint) and supply side operations cost (SSEMS constraint). An externally constrained genetic algorithm (ExC-GA) that is influenced by feedback from TLMS is also presented that intelligently varies the dispatch time of participating DR loads to meet the individual objective functions. Hypothetical day ahead dynamic pricing schemes (Price1, Price2 and Price3) have also been adopted alongside an existing time of use (Price0) pricing scheme for comparison and discussion while a dynamic thermal line rating (DTLR) algorithm has also been incorporated to dynamically compute power limits based on real time associated data. View Full-Text
Keywords: ConCEMS; demand response; ExC-GA; DTLR; dynamic pricing ConCEMS; demand response; ExC-GA; DTLR; dynamic pricing

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Monyei, C.; Viriri, S.; Adewumi, A.; Davidson, I.; Akinyele, D. A Smart Grid Framework for Optimally Integrating Supply-Side, Demand-Side and Transmission Line Management Systems. Energies 2018, 11, 1038.

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