Journal
ENERGY
Volume 210, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2020.118470
Keywords
Power grid system; Economic cost; Reliability; Maintenance optimization; Redundancy optimization
Categories
Funding
- National Natural Science Foundation of China [71971176, 71601158]
- Applied Basic Research Program of Sichuan Province [2020YJ0027]
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In this research, we modeled the reliability of a power grid with consideration of the power sharing among different regions. By extending the universal generating function technique, a reliability evaluation algorithm for a general power grid was suggested. A joint optimization model was formulated to determine the optimal redundancy and maintenance strategy in order to minimize the economic cost while meeting the reliability requirement. Numerical examples were used to illustrate the effects of different grid configurations and maintenance strategies on the reliability and cost of the power grid. It was shown that the system operation cost could be minimized by determining the optimal allocation of generators and the optimal maintenance strategy. (C) 2020 Elsevier Ltd. All rights reserved.
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