NDLI: Synthesised-objective collaborative model and its solution algorithm for transmission

Content Provider	IET Digital Library
Author	Tang, Kunjie Dong, Shufeng Cui, Jianye Li, Youchun Song, Yonghua
Abstract	As the coupling between transmission systems and distribution systems is significantly enhanced, transmission–distribution coordinated optimisation becomes more and more necessary. Considering that the objectives of the transmission system operator (TSO) and the distribution system operator (DSO) are usually significantly different in the type and dimension, a synthesised-objective collaborative model is proposed in this study, by normalising different objectives, introducing a weight factor to reflect the importance degree difference of multiple objectives and constructing a common objective. Then, a modified heterogeneous decomposition (M-HGD) algorithm is proposed to solve the model. In the M-HGD, two modifications on the update of iterative variables and the stop criteria are proposed, which effectively relieves the fluctuation of the iterative variables and restrains the tail effect of the convergence curve. The proposed model and algorithm can avoid privacy issues between the TSO and the DSO, achieve Pareto optimality solutions, and have powerful flexibility. Numerical experiments validate the effectiveness of the proposed model and demonstrate that the M-HGD has high accuracy and has better convergence and efficiency than traditional distributed optimisation methods.
Starting Page	752
Ending Page	761
Page Count	10
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 5, Mar (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2019.0595
Journal	IET Generation, Transmission & Distribution
Publisher Date	2019-09-06
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Common Objective Control of Electric Power System Distribution Network Distribution System Distribution System Operator DSO Importance Degree Difference Iterative Method Iterative Variables M-HGD Modified Heterogeneous Decomposition Algorithm Optimisation Technique Pareto Optimisation Power Distribution Control Power System Control Power Transmission Control Solution Algorithm Synthesised-objective Collaborative Model Traditional Distributed Optimisation Method Transmission System Transmission System Operator Transmission–distribution Coordinated Optimisation TSO Weight Factor
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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