Isolated Microgrid Optimal Scheduling Considering Comprehensive Evaluation

doi:10.3969/j.issn.1000-7229.2016.04.010

Abstract

Abstract:

To deal with the optimized dispatching of a microgrid working in the isolated island mode, taking economic efficiency and reliability into consideration, this paper adds comprehensive evaluation into the economic dispatching model of traditional microgrid to get optimal dispatching scheme with different targets. At first, we construct the optimized dispatching model of microgrid with taking the lowest operation cost and the lowest load deficiency rate as target function, based on the microgrid with cogeneration structure. And then, considering the conflict between different targets, we apply multi-objective PSO （particle swarm optimization） algorithm combined with dispatching strategy to solve the proposed optimized dispatching model in MATLAB, in order to obtain a series of Pareto solutions. At last, we use the comprehensive evaluation model based on the application of analysis hierarchy process to evaluate the Pareto solutions, and provide the optimal scheduling scheme for decision makers combining with real-time demand analysis. We verify the feasibility and practicability of the proposed model through the analysis example of an isolated microgrid.

Key words: isolated microgrid, multi-objective PSO, optimized dispatching model, analytic hierarchy process

CLC Number:

TM 734

GUO Ning，TENG Huan，LI Jikang. Isolated Microgrid Optimal Scheduling Considering Comprehensive Evaluation[J]. Electric Power Construction, 2016, 37(4): 63-69.

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