A robust augmented nodal analysis approach to distribution network solution
Author(s)
Nduka, onyema
Yu, YUE
Pal, BC
Okafor, ENC
Type
Journal Article
Abstract
The ambition to decarbonize the source of energy for heat and transport sector through electricity from renewable energy has led to significant challenge in the way power distribution networks (DNs) are planned, designed and operated. Traditionally, DN was put in place to support the demand passively. Now with renewable generation, storage and demand side management through automation, provision of network support services have transformed the character of the DNs. Active management of the DN requires fast power flow analysis, state estimation, reactive power support etc. This paper proposes a method of power flow analysis which incorporates the challenges of distributed generator (DG) characteristics, demand side management and voltage support. The proposed approach reformulated the Jacobian matrix of the well-known modified augmented nodal analysis (MANA) method; thus, improving the robustness and solvability of the formulation. Reactive powers of the DGs, node voltages and currents of ‘non-constitutive’ elements were the chosen state variables. The performance of this method is compared with the MANA. Results are discussed and the effectiveness of the proposed approach is demonstrated with two example case studies.
Date Issued
2020-05-01
Date Acceptance
2019-10-15
Citation
IEEE Transactions on Smart Grid, 2020, 11 (3), pp.2140-2150
ISSN
1949-3053
Publisher
Institute of Electrical and Electronics Engineers
Start Page
2140
End Page
2150
Journal / Book Title
IEEE Transactions on Smart Grid
Volume
11
Issue
3
Copyright Statement
© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Sponsor
Engineering & Physical Science Research Council (E
Grant Number
J15119 - PO:500174140
Subjects
0906 Electrical and Electronic Engineering
0915 Interdisciplinary Engineering
Publication Status
Published
Date Publish Online
2019-10-18