NDLI: Enhancing the distribution grid resilience using cyber-physical oriented islanding strategy

Content Provider	IET Digital Library
Author	An, Yu Liu, Dong Chen, Bo Wang, Jianhui
Abstract	The increasing penetration of distributed generations enables an innovative operation paradigm that allows islanded operation to enhance the resilience of the distribution grid. In this study, a cyber-physical oriented islanding strategy is proposed by coordinating centralised and distributed control to achieve seamless islanding transition and operational flexibility in emergency conditions. A cyber-physical control structure is developed to mitigate various disturbances (e.g. emergencies or fluctuations) according to different operation conditions. Specifically, the distributed fault isolation and seamless islanding transition are coordinated to mitigate the outage caused by unplanned islanding, while a secondary control is proposed to support primary control by reducing the power fluctuations during islanded operation. With a rapid response speed, the local cyber-physical devices are coordinated to accomplish islanding separation by selecting a feasible islanded area even under an unplanned islanding situation. A field test was conducted on a practical distribution network in China, and the results demonstrated the effectiveness and feasibility of the proposed islanding strategy.
Starting Page	2026
Ending Page	2033
Page Count	8
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 11, Jun (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2019.0184
Journal	IET Generation, Transmission & Distribution
Publisher Date	2019-09-20
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Centralised Distributed Control Control of Electric Power System Cyber-physical Control Structure Cyber-physical Oriented Islanding Strategy Distributed Control Distributed Fault Isolation Distributed Generations Distributed Power Generation Distribution Grid Resilience Distribution Network Fault Diagnosis Feasible Islanded Area Innovative Operation Paradigm Islanded Operation Islanding Separation Local Cyber-physical Device Multivariable Control System Operational Flexibility Power Distribution Fault Power Distribution Reliability Power Generation Control Power Generation Reliability Power Grid Practical Distribution Network Reliability Seamless Islanding Transition Unplanned Islanding Situation
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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