DOI:10.1007/s40565-016-0249-9 |
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Pareto optimal allocation of fault current limiter based on immune algorithm considering cost and mitigation effect |
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Author:
Baichao CHEN1, Liangliang WEI1, Yuanzhe ZHU1, Yongheng ZHONG1, Jiaxin YUAN1, Yang LEI1
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Author Affiliation:
1 School of Electrical Engineering, Wuhan University, Wuhan 430072, China
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Foundation: |
This work was supported by National Natural Science Foundation of China (No. 50807041). |
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Abstract: |
This paper presents a multi-objective Pareto optimal method for allocation of fault current limiters based on an immune algorithm, which takes into account two objectives of the cost and fault current mitigation effect. A sensitivity factor calculation method based on the rate of fault current mitigation is proposed to reduce the search space and improve the ef?ciency of the algorithm. In this approach, the objective functions related to the cost and fault current mitigation effect are established. A modi?ed inversion operator based on equal cost is proposed to converge to global optimal solutions more effectively. The proposed algorithm is tested on the IEEE 39-bus system, and obtains the Pareto optimal solutions, from which the user can select the most suitable solutions according to the preferences and relative importance of the objective functions. Simulation results are used to verify the proposed method. |
Keywords: |
FCL optimal allocation, Fault current mitigation effect, Modified inversion operator, Pareto optimal solutions, Immune algorithm |
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Online Time:2017/09/15 |
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