NDLI: Droop-based consensus control scheme for economic dispatch in islanded microgrids

Content Provider	IET Digital Library
Author	Zheng, Shunwei Liao, Kai Yang, Jianwei He, Zhengyou
Abstract	In this study, a droop-based consensus control scheme (DCCS) is proposed to realise economic dispatch for islanded microgrids in a fully distributed manner. Different from the existing consensus-based approaches, the proposed DCCS embeds droop control into the consensus algorithm, which utilises the neighbouring incremental cost information and P–f droop control to realise economic dispatch for islanded microgrids. The implementation of the proposed DCCS only needs local measurements and transmitting incremental cost information among neighbouring distributed generations (DGs) through a unidirectional ring communication network (URCN), which does not require any additional conditions (such as leader DG, power mismatch estimation, etc.). Besides, the URCN in the proposed DCCS can efficiently reduce the communication burden compared with the existing consensus-based algorithms implemented in an undirected manner. Furthermore, the theoretical deduction is given to demonstrate the effectiveness of the proposed DCCS. Several simulations show an excellent performance of the proposed DCCS against sudden load and source changes, and the ability to maintain the steady operation even with communication failure.
Starting Page	4529
Ending Page	4538
Page Count	10
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 20, Oct (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/20
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2020.0507
Journal	IET Generation, Transmission & Distribution
Publisher Date	2020-07-29
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Consensus Algorithm Consensus-based Algorithm Consensus-based Approach DCCS Distributed Power Generation Droop Control Droop-based Consensus Control Scheme Economic Dispatch Fully Distributed Manner Incremental Cost Information Islanded Microgrid Load Dispatching Local Measurement Neighbouring Distributed Generation Neighbouring Incremental Cost Information Power Distribution Economics Power Distribution Fault Power System Economics Power System Managemen Power System Operation
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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