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Evaluation for Maximum Allowable Capacity of Renewable Energy Source Considering AC System Strength Measures

Cited 4 time in Web of Science Cited 7 time in Scopus

Kim, Yong Kyu; Lee, Gyu Sub; Yoon, Jong Su; Moon, Seung Il

Issue Date
Institute of Electrical and Electronics Engineers
IEEE Transactions on Sustainable Energy, Vol.13 No.2, pp.1123-1134
In this paper, a method to calculate the maximum allowable capacity (MAC) of renewable energy sources (RESs) in terms of AC system strength is presented; the equivalent short-circuit ratio (ESCR) and the newly proposed reactive power considered equivalent short-circuit ratio (QESCR) are considered. Unlike conventional measures, the reactive power afforded by RESs is considered when calculating the QESCR; the MAC of RESs increases because their reactive power outputs stabilize transmission networks. Based on the AC strength measures, an optimization problem to evaluate the MAC of RESs and determine their optimal locations is developed. The optimization problem is formulated in mixed-integer linear programming (MILP). To validate the effectiveness of the proposed method, it is applied to two test systems: the IEEE RTS-79 test system and a real-world Korean transmission network. The proposed method allows facile calculation of the MAC of RESs, which ensures that the transmission network remains stable.
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  • College of Engineering
  • Department of Electrical and Computer Engineering
Research Area DC Grid, DC 전력망, Multi-Energy Systems, Renewable Energy Integration, 멀티에너지시스템, 재생에너지 통합


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