NDLI: Optimal allocation of soft open points in active distribution network with high penetration of renewable energy generations

Content Provider	IET Digital Library
Author	Cong, Pengwei Hu, Zechun Tang, Wei Lou, Chengwei Zhang, Lu
Abstract	With the integration of more and more renewable energy generations (REGs), the structure of traditional distribution networks is hard to accommodate the volatile power injections of REGs. As a new power electronic device, soft open point (SOP) can be installed to control both active and reactive power flow among active distribution networks (ADNs). This paper presents a comprehensive optimization method for allocating SOPs within an ADN with high penetration of REGs. In order to find proper SOP candidate locations, a selection strategy based on two technical indices is proposed. To mitigate the risk of voltage violation caused by REG forecast errors and improve the adaptiveness of allocation results, a two-stage robust optimization model for SOP allocation is formulated to minimize the total cost of SOP investment and network operation. The proposed model is converted into a mixed-integer second-order cone programming (MISCOP) problem, which is then decoupled into a master problem of planning and a subproblem of operation and solved by column and constraint generation (CCG) algorithm. Simulation results show that the proposed method can effectively find the optimal SOP allocation schemes. Comparisons with different mathematical formulation and solution methods show the advantages of the proposed method.
Starting Page	6732
Ending Page	6740
Page Count	9
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 26, Dec (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2020.0704
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/26
Journal	IET Generation, Transmission & Distribution
Publisher Date	2020-11-18
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Active Distribution Network ADN Column And Constraint Generation Algorithm Comprehensive Optimisation Method Constraint Generation Algorithm Distributed Power Generation Distribution Network IEEE 123 Bus System IEEE 33 Bus System Integer Programming Load Flow Network Operation Optimal SOP Allocation Optimisation Technique PG&E 69 Bus System Power Distribution Planning Power Electronic Device Power Generation Planning Power System Planning And Layout Reactive Power Reactive Power Flow REG Forecast Error Renewable Energy Generation Second-order Cone Programming Problem Soft Open Point SOP Candidate Locations Two-stage Robust Optimisation Model Volatile Power Injections
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
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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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