Multi-Objective Optimal Power Flow Based Combined Non-Convex Economic Dispatch with Valve-Point Effects and Emission Using Gravitation Search Algorithm

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Mezhoud Nabil; Amarouayache Mohamed

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Journal Paper

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Journal: Journal of Applied Research in Electrical Engineering Year:621 | Volume: | Issue: Page(s): 26-36

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Information Journal Paper

Title

Multi-Objective Optimal Power Flow Based Combined Non-Convex Economic Dispatch with Valve-Point Effects and Emission Using Gravitation Search Algorithm

Author(s)

Mezhoud Nabil | Amarouayache Mohamed | Issue Writer Certificate

Keywords

OptimizationQ4

Optimal Power FlowQ4

Emission indexQ4

Gravitational Search AlgorithmQ4

Abstract

This paper presents a solution to the Optimal Power Flow (OPF) problem combined economic dispatch with valve-point effect and Emission index (EI) in electrical power networks using the physics-inspired Optimization method, which is the Gravitational Search Algorithm (GSA). Our main goal is to minimize the objective function necessary for the best balance between energy production and its consumption which is presented in a nonlinear function, taking into account equality and inequality constraints. The objective is to minimize the total cost of active generations, the active power losses, and the Emission index. The GSA method has been examined and tested on the standard IEEE 30-bus test system with various objective functions. The simulation results of the used methods have been compared and validated with those reported in the recent literature. The results are promising and show the effectiveness and robustness of the used method. It should be mentioned that from the base case, the cost generation, the active power losses, and the Emission index are significantly reduced to 823 ($/h), 6.038 (MW), and 0.227 (ton/h), which are considered 5.85%, 61.61%, and 44.63%, respectively.

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