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Open AccessArticle

Distributed FACTS for Power System Transient Stability Control

by Sergio Bruno 1,*,†, Giovanni De Carne 2,† and Massimo La Scala 1,†
1
Department of Electrical and Information Engineering (DEI), Politecnico di Bari, 70125 Bari, Italy
2
Institute for Technical Physics, Karlsruhe Institute of Technology, 76344 Karlsruhe, Germany
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Energies 2020, 13(11), 2901; https://doi.org/10.3390/en13112901
Received: 29 April 2020 / Revised: 26 May 2020 / Accepted: 1 June 2020 / Published: 5 June 2020
(This article belongs to the Section Electrical Power and Energy System)
The high penetration of renewable energy sources, combined with a limited possibility to expand the transmission infrastructure, stretches the system stability in the case of faults. For this reason, operators are calling for additional control flexibility in the grid. In this paper, we propose the deployment of switchable reactors and capacitors distributed on the grid as a control resource for securing operations during severe contingencies and avoiding potential blackouts. According to the operating principles, the line reactance varies by switching on or off a certain number of distributed series reactors and capacitors and, therefore, the stabilizing control rule is based on a stepwise time-discrete control action. A control strategy, based on dynamic optimization, is proposed and tested on a realistic-sized transmission system. View Full-Text
Keywords: FACTS; dynamic series compensation; power system dynamic security; dynamic security assessment; corrective control actions; transient stability FACTS; dynamic series compensation; power system dynamic security; dynamic security assessment; corrective control actions; transient stability
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Bruno, S.; De Carne, G.; La Scala, M. Distributed FACTS for Power System Transient Stability Control. Energies 2020, 13, 2901.

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