NDLI: Power management and control coordination strategy for autonomous hybrid microgrids

Content Provider	IET Digital Library
Author	Abuhilaleh, Mohammad Li, Li Hossain, M. J.
Abstract	This study presents an improved power management and control coordination strategy for autonomous hybrid microgrids (MGs). The new strategy aims to reduce the continuous operation of interlinking converters (ILCs) under all load conditions, and thereby avoids the significant power loss on the ILCs that adversely affects the operational feasibility of the hybrid MGs. The hybrid MG considered in this study consists of multiple alternating current and direct current sub-microgrids (SMGs) with different voltage levels. The hierarchal coordination of power management and control strategy for autonomous hybrid MG is introduced and analysed. The designed system includes both the primary and secondary control levels to ensure a seamless and accurate transfer of power among the SMGs. A new technique to ensure the continuous power flow among the SMGs while minimising the continuous operation of the ILCs in the islanded mode is presented with a focus on the secondary control level. Five scenarios of transferring power among SMGs are analysed using MATLAB/Simulink. The results indicate that the system's high level of flexibility in managing the power flow at different control levels can be achieved by the proposed approach.
Starting Page	119
Ending Page	130
Page Count	12
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 1, Jan (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2018.5708
Journal	IET Generation, Transmission & Distribution
Publisher Date	2019-11-11
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Autonomous Hybrid MG Autonomous Hybrid Microgrid Continuous Operation Continuous Power Flow Control Coordination Strategy Control of Electric Power System Control Strategy Direct Current Submicrogrids Distributed Power Generation Hierarchal Coordination ILC Improved Power Management Load Flow Power Generation Control Power Loss Primary Control Levels Secondary Control Level SMG
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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