NDLI: Efficient sensitivity based approach for AC transmission expansion planning

Content Provider	IET Digital Library
Author	Yasasvi, Puvvada Naga Mohapatra, Abheejeet Srivastava, Suresh C.
Abstract	AC transmission expansion planning (TEP) is a complex problem to solve due to its large scale, mixed-integer, non-linear and non-convex characteristics. This paper presents an efficient sensitivity based approach which employs the primal-dual interior point method (PDIPM), for tackling integer variables in AC TEP. PDIPM's Hessian is used to evaluate the sensitivities of the objective function with respect to the line candidates, which are then used to find a feasible AC TEP solution. The proposed approach solves this non-convex mixed integer non-linear programming problem, without resorting to any use of relaxations/approximations in the AC TEP model. Also, the need and superiority of the AC TEP over the conventional DC TEP is established by comparing both using the proposed approach. Solutions of AC TEP with reactive power planning and an integrated multistage AC TEP are also obtained to demonstrate the performance of the proposed approach. Superior solution quality and lesser computation time of the proposed approach are confirmed by comparing the same with that of the branch and bound/cut approach, constructive heuristic algorithm, merit function-based approach, conic programming and particle swarm optimisation. The studies performed for the various test cases prove the efficacy and computational efficiency of the proposed approach.
Starting Page	2378
Ending Page	2388
Page Count	11
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 12, Jun (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/12
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2019.1081
Journal	IET Generation, Transmission & Distribution
Publisher Date	2019-11-19
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	AC TEP Model AC Transmission Expansion Planning Concave Programming Conventional DC TEP Efficient Sensitivity Based Approach Feasible AC TEP Solution Integer Programming Integer Variables Integrated Multistage AC TEP Linear Programming Merit Function Based Approach Mixed-integer Nonconvex Characteristic Nonconvex Mixed Integer Nonlinear Programming Problem Nonlinear Programming Optimisation Technique Particle Swarm Optimisation Power Grid Power System Economics Power System Managemen Power System Operation Power System Planning And Layout Power Transmission Economics Power Transmission Planning Power Transmission Reliability Primal-dual Interior Point Method Reactive Power Reactive Power Planning Reliability
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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