A Communication-Less Distributed Voltage Control Strategy for a Multi-Bus AC Islanded Microgrid

Yanbo Wang, Yongdong Tan, Zhe Chen, Xiongfei Wang, Yanjun Tian

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7 Citationer (Scopus)

Abstrakt

This paper presents a communication-less distributed voltage control strategy for a multi-bus AC islanded microgrid. First, a Kalman Filter-based network voltage estimator is proposed to obtain voltage responses without communication links in the presence of load disturbances. Then, a voltage optimal controller using MPC (Model Predictive Control) are developed to implement voltage optimal control. The contributions of this paper are demonstrated: (1) The proposed voltage estimator can dynamically obtain network voltage responses just through local voltage and current associated with each DG (Distributed Generator) unit rather than relying on any communication facilities; (2) In contrast to the conventional PI-based voltage control method, the proposed voltage control strategy can implement not only offset-free control for single-bus, but also optimal control for multi-bus. Thus the flexibility and reliability is improved for islanded microgrids due to communication-less operation. The simulations and experimental results are presented to validate the proposed distributed voltage control strategy.
OriginalsprogEngelsk
TitelProceedings of the 2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE-ASIA)
Antal sider8
ForlagIEEE Press
Publikationsdatomaj 2014
Sider3538-3545
ISBN (Trykt)978-1-4799-2705-0
DOI
StatusUdgivet - maj 2014
Begivenhed2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE-ASIA) - Hiroshima, Japan
Varighed: 18 maj 201421 maj 2014

Konference

Konference2014 International Power Electronics Conference (IPEC-Hiroshima 2014 - ECCE-ASIA)
LandJapan
ByHiroshima
Periode18/05/201421/05/2014

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