NDLI: Distributed load sharing and transmission power loss optimisation for DC microgrids

Content Provider	IET Digital Library
Author	Su, Housheng Deng, Chunlin Guo, Fanghong Chen, Xia Qi, Chao
Abstract	A distributed cooperative control paradigm is proposed to handle the load sharing and transmission power loss optimisation-based optimal power flow (OPF) problems in DC microgrids, which is based on a distributed finite-time average consensus algorithm and a linear variable weighted summation algorithm. Firstly, an OPF problem is formulated to minimise the global transmission power loss, which is then solved by a novel distributed OPF regulator in secondary control. Furthermore, a distributed OPF considering load sharing controller is proposed in secondary control, which aims to guarantee that the load sharing deviation is limited to the assigned permissible range and the global transmission power loss is reduced to a minimum simultaneously. Compared to existing methods, these two control algorithms are developed in a completely distributed fashion, and the load distribution matrix and conductance matrix of DC microgrids are not needed. The effectiveness of the proposed control methods is verified by simulation results.
Starting Page	2930
Ending Page	2939
Page Count	10
ISSN	17518644
Volume Number	13
e-ISSN	17518652
Issue Number	Issue 17, Nov (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-cta/13/17
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-cta.2018.5678
Journal	IET Control Theory & Applications
Publisher Date	2018-11-29
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Completely Distributed Fashion Conductance Matrix Control Algorithm Control Method Control of Electric Power System DC Microgrid Distributed Control Distributed Cooperative Control Paradigm Distributed Finite-time Average Consensus Algorithm Distributed Load Sharing Distributed OPF Distributed Power Generation Global Transmission Power Loss Linear Variable Weighted Summation Algorithm Load Distribution Matrix Load Flow Load Sharing Controller Load Sharing Deviation Multivariable Control System OPF Problem OPF Regulator Optimisation Optimisation Technique Power Distribution Control Power Generation Control Power System Control Secondary Control Transmission Power Loss Optimisation
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Human-Computer Interaction Electrical and Electronic Engineering Computer Science Applications

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