Multi-objective optimization operation with corrective control actions for meshed AC/DC grids including multi-terminal VSC-HVDC
- Authors
- Kim, M. K.
- Issue Date
- Dec-2017
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Contingency screening; Corrective control action; Multi-terminal VSC HVDC; Non-dominated sorting genetic algorithm; Security-constrained optimal power flow
- Citation
- INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS, v.93, pp 178 - 193
- Pages
- 16
- Journal Title
- INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS
- Volume
- 93
- Start Page
- 178
- End Page
- 193
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/3515
- DOI
- 10.1016/j.ijepes.2017.05.028
- ISSN
- 0142-0615
1879-3517
- Abstract
- This paper presents a multi-objective optimal operation of meshed AC/DC power grids including multi terminal voltage-source-converter-based high-voltage direct current (VSC-MTDC) systems. The proposed approach is modeled as a corrective security-constrained optimal power flow (CSC-OPF) problem, with the minimization of both the operation cost and power loss as the objectives. Moreover, it provides a cost-effective solution to assist in decision-making, and improves the system security during operation. The N - 1 contingency security criterion is enforced for both AC and DC transmission networks, and corrective control is used to eliminate or alleviate post-contingency security violations. The corrective control actions used in this paper include not only secure operation control actions, but also economical post-contingency corrective control of the multi-terminal VSC-HVDC. To increase the computation speed, a contingency screening technique is applied to CSC-OPF by efficiently selecting the most severe case of the N 1 contingency, as obtained using a voltage security index (VSI). The proposed approach uses the non-dominated sorting genetic algorithm (NSGA-II) to find multi-objective OPF solutions by checking the post-contingency state feasibility while taking into account post-contingency corrective actions. Simulation results confirm the validity and effectiveness of this approach. (C) 2017 Elsevier Ltd. All rights reserved.
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Collections - College of Engineering > School of Energy System Engineering > 1. Journal Articles
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