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Energies 2018, 11(11), 3113; https://doi.org/10.3390/en11113113

A Novel Method for Economic Dispatch of Combined Heat and Power Generation

1
Power System Optimization Research Group, Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City 700000, Vietnam
2
Department of Electrical Engineering, Lac Hong University, Bien Hoa 810000, Vietnam
3
Institute of Research and Development, Duy Tan University, Danang 550000, Vietnam
4
Office of Science Research and Development, Lac Hong University, Bien Hoa 810000, Vietnam
*
Author to whom correspondence should be addressed.
Received: 16 September 2018 / Revised: 14 October 2018 / Accepted: 29 October 2018 / Published: 10 November 2018
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Abstract

The paper proposes a modified Bat algorithm (MBA) for searching optimal solutions of Economic dispatch of combined heat and power generation (CHPGED) with the heat and power generation from three different types of units consisting of pure power generation units, pure heat generation units and cogeneration units. The CHPGED problem becomes complicated and big challenge to optimization tools since it considers both heat and power generation from cogeneration units. Thus, we apply MBA method with the purpose of enhancing high quality solution search ability as well as search speed of conventional Bat algorithm (BA). This proposed approach is established based on three modifications on BA. The first is the adaptive frequency adjustment, the second is the optimal range of updated velocity, and the third is the retained condition of a good solution with objective to ameliorate the search performance of traditional BA. The effectiveness of the proposed approach is evaluated by testing on 7, 24, and 48 units systems and IEEE 14-bus system and comparing results with BA together with other existing methods. As a result, it can conclude that the proposed MBA method is a favorable meta-heuristic algorithm for solving CHPGED problem. View Full-Text
Keywords: Bat algorithm (BA); cogeneration unit; pure heat generation unit; pure power generation unit; electrical generation. Bat algorithm (BA); cogeneration unit; pure heat generation unit; pure power generation unit; electrical generation.
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Dinh, B.H.; Nguyen, T.T.; Quynh, N.V.; Van Dai, L. A Novel Method for Economic Dispatch of Combined Heat and Power Generation. Energies 2018, 11, 3113.

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