Distributed and decentralized control of dc microgrids

Saeed Peyghami, Hossein Mokhtari, Frede Blaabjerg

Publikation: Bidrag til bog/antologi/rapport/konference proceedingBidrag til bog/antologiForskningpeer review

4 Citationer (Scopus)


In this chapter, distributed and decentralized control approaches for dc microgrids are discussed. Distributed approaches employ a communication system among different converters in order to regulate the dc voltage and improve the load sharing accuracy. Some of the distributed methods utilize point-to-point communication links among converters; however, some of them use a sparse communication system based on consensus protocol. Sparse communication-based control approaches are more reliable and resilient than the fully communicated methods. On the contrary, the decentralized methods use no communication (physical link) between converters to reach the power sharing objectives. In these approaches, the control system of each converter uses local voltage and current information to control the output power (current) of the corresponding converter. Since these converters do not need to communicate with other converters, the overall stability and reliability can be enhanced. The centralized control approaches can be categorized as mode-adaptive (autonomous) droop control, nonlinear droop control and frequency droop control, and these methods are conceptually discussed in this chapter.
TitelDC Distribution Systems and Microgrids
RedaktørerTomislav Dragicevic, Pat Wheeler, Frede Blaabjerg
Antal sider20
ForlagInstitution of Engineering and Technology
Publikationsdatookt. 2018
ISBN (Trykt)978-1-78561-382-1
ISBN (Elektronisk)978-1-78561-383-8
StatusUdgivet - okt. 2018


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