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Title: Hierarchical SCOPF considering wind energy integration through multiterminal VSC-HVDC grids
Authors: Meng, K
Zhang, W
Li, YJ 
Dong, ZY
Xu, Z 
Wong, KP
Zheng, Y
Keywords: Benders decomposition (BD)
Multi-terminal HVDC (MTDC) grid
Security-constrained optimal power flow (SCOPF)
Wind energy
Issue Date: 2017
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on power systems, 2017, v. 32, no. 6, p. 4211-4221 How to cite?
Journal: IEEE transactions on power systems 
Abstract: In this paper, a hierarchical security-constrained optimal power flow (SCOPF) model is proposed for a meshed ac/multiterminal HVDC (MTDC) system with high wind penetration. The two interacting levels in the proposed model are as follows: 1) the high level is a traditional SCOPF problem in an ac system that aims to minimize total generation and security control costs; and 2) the low level is a dynamic power dispatching problem, which regulates power flow in an MTDC grid according to reference signals from the high level. Thus, the proposed method utilizes an MTDC system to provide support for the ac system by redistributing power flow across the entire grid and reducing control costs. Two modified IEEE meshed ac/dc systems are used to demonstrate the performance of the proposed method.
ISSN: 0885-8950
EISSN: 1558-0679
DOI: 10.1109/TPWRS.2017.2679279
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