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Discussion of “Hybrid Differential Evolution With Biogeography-Based Optimization for Solution of Economic Load Dispatch”

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3 Author(s)
Abbas Rabiee ; Department of electrical engineering, Sharif university of technology (SUT), Tehran, Iran ; Behnam Mohammadi-Ivatloo ; Mehdi Ehsan

We commend the authors of for application of an interesting optimization methodology to solve economic dispatch problem. Their discussion presents a hybrid technique combining differential evolution with the biogeography-based optimization (DE/BBO) algorithm to solve both convex and nonconvex economic load dispatch (ELD) problems of thermal power units considering transmission losses, and constraints such as ramp-rate limits, valve-point loading, and prohibited operating zones (POZ). The proposed DE/BBO algorithm has been applied to solve ELD problems in four different test cases to verify its feasibility. In the test Case 1 of the paper, the authors examined a three-generator test system with ramp rate limit and prohibited operating zone constrains, as explained well in the paper.

Published in:

IEEE Transactions on Power Systems  (Volume:27 ,  Issue: 1 )