Optimization of Economic Load Dispatch Problem for Quadratic Fuel Cost Function with Prohibited Operating Zones

Title & Authors
Optimization of Economic Load Dispatch Problem for Quadratic Fuel Cost Function with Prohibited Operating Zones
Lee, Sang-Un;

Abstract
This paper proposes a deterministic optimization algorithm to solve economic load dispatch problem with quadratic convex fuel cost function. The proposed algorithm primarily partitions a generator with prohibited zones into multiple generators so as to place them afield the prohibited zone. It then sets initial values to $\small{P_i{\leftarrow}P_i^{max}}$ and reduces power generation costs of those incurring the maximum unit power cost. It finally employs a swap optimization process of $\small{P_i{\leftarrow}P_i-{\beta}}$, $\small{P_j{\leftarrow}P_j+{\beta}}$ where $\small{_{max}\{F(P_i)-F(P_i-{\beta})\}}$ > $\small{_{min}\{F(P_j+{\beta})-F(P_j)\}}$, $\small{i{\neq}j}$, $\small{{\beta}=1.0,0.1,0.01,0.001}$. When applied to 3 different 15-generator cases, the proposed algorithm has consistently yielded optimized results compared to those of heuristic algorithms.
Keywords
Language
Korean
Cited by
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