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Title: Coordinated secondary control for autonomous hybrid three-port AC/DC/DS microgrid
Authors: Jin, Chi
Wang, Junjun
Wang, Peng
Keywords: Decentralized Control
Engineering::Electrical and electronic engineering
Coordinated Secondary Control
Issue Date: 2018
Source: Jin, C., Wang, J., & Wang, P. (2018). Coordinated secondary control for autonomous hybrid three-port AC/DC/DS microgrid. CSEE Journal of Power and Energy Systems, 4(1), 1-10. doi:10.17775/CSEEJPES.2016.01400
Series/Report no.: CSEE Journal of Power and Energy Systems
Abstract: This paper presents a coordinated secondary control (CSC) strategy for distributed power management for an autonomous hybrid three-port AC/DC/DS microgrid. The proposed CSC is on top of a generalized primary control (GPC), which consists of local power sharing (LPS) control within an individual AC or DC subgrid, global power sharing (GPS) control throughout the AC/DC subgrids, and storage power sharing (SPS) control in a distributed storage (DS) network. The CSC along with the GPC uses the local frequency/voltage deviations and offers decentralized power management with enhanced overall reliability. To eliminate the inherent frequency/voltage deviations in GPC and restore to their nominal values, a secondary control is normally applied to all distributed generators (DGs), which would degrade the performance of decentralized power management. To overcome this concern, a CSC strategy is proposed to concurrently restore frequency/voltage and re-establish a distributed power management by means of limited information exchange through the low-bandwidth communication links. The proposed control scheme has been verified by both simulations and controller hardware-in-the-loop (CHIL) experiments in an OPAL-RT digital simulator system.
ISSN: 2096-0042
DOI: 10.17775/CSEEJPES.2016.01400
Rights: © 2016 CSEE (published by IEEE). This is an open-access article distributed under the terms of the Creative Commons Attribution License.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:ERI@N Journal Articles

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