NDLI: Microgrid planning considering the resilience against contingencies

Content Provider	IET Digital Library
Author	Wu, Xiong Wang, Zhao Ding, Tao Wang, Xiuli Li, Zhiyi Li, Furong
Abstract	Increasing the redundancy of distribution lines and increasing the penetration of distributed energy resources (DERs) both help microgrids ride through contingencies. However, it remains a challenging problem for how to coordinate these two measures for minimising the deployment cost while guaranteeing a pre-specified degree of resilience in case of contingencies. Accordingly, this study proposes a novel microgrid planning model to site and size candidate sets of DERs and distribution lines in close coordination, which is mathematically equivalent to a two-stage robust optimisation problem. In particular, the resilience level of microgrid operations is quantified and maintained such that the load loss is constrained within a given bound under any realisation of N–k contingencies. The proposed model also incorporates a practical strategy to maintain the radial topology of islanding network sections in any N–k contingency. Finally, numerical experiments based on two microgrid test systems are performed. The results show that the system resilience is adaptively enhanced through optimally placing DERs and distribution lines compared with the conventional economics based model. Moreover, the employed robust method is at least ten times faster than the reliability-based method in identifying the worst contingency.
Starting Page	3534
Ending Page	3548
Page Count	15
ISSN	17518687
Volume Number	13
e-ISSN	17518695
Issue Number	Issue 16, Aug (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/13/16
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2018.6816
Journal	IET Generation, Transmission & Distribution
Publisher Date	2019-06-12
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Conventional Economics Based Model Deployment Cost DER Distributed Energy Resources Distributed Power Generation Distribution Line Islanding Network Sections Microgrid Operation Microgrid Test System N-k Contingency Novel Microgrid Planning Model Optimisation Optimisation Technique Power Distribution Fault Power Distribution Planning Power Distribution Reliability Power System Planning And Layout Pre-specified Degree Radial Topology Reliability Resilience Level Size Candidate System Resilience Two-stage Robust Optimisation Problem Worst Contingency
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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