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Energies 2014, 7(3), 1599-1620; doi:10.3390/en7031599

Coordinated Control of Distributed and Bulk Energy Storage for Alleviation of Post-Contingency Overloads

College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
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Received: 13 January 2014 / Revised: 9 March 2014 / Accepted: 11 March 2014 / Published: 17 March 2014
(This article belongs to the Special Issue Smart Grids: The Electrical Power Network and Communication System)
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Abstract

This paper presents a novel corrective control strategy that can effectively coordinate distributed and bulk energy storage to relieve post-contingency overloads. Immediately following a contingency, distributed batteries are implemented to provide fast corrective actions to reduce power flows below their short-term emergency ratings. During the long-term period, Pumped Hydro Storage units work in pumping or generation mode to aid conventional generating units keep line flows below the normal ratings. This problem is formulated as a multi-stage Corrective Security-constrained OPF (CSCOPF). An algorithm based on Benders decomposition was proposed to find the optimal base case solution and seek feasible corrective actions to handle all contingencies. Case studies based on a modified RTS-96 system demonstrate the performance and effectiveness of the proposed control strategy. View Full-Text
Keywords: smart grid; energy storage; security-constrained optimal power flow; corrective control; overload smart grid; energy storage; security-constrained optimal power flow; corrective control; overload
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Wen, Y.; Guo, C.; Dong, S. Coordinated Control of Distributed and Bulk Energy Storage for Alleviation of Post-Contingency Overloads. Energies 2014, 7, 1599-1620.

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