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Small Signal Stability Analysis of Distribution Networks with Electric Springs
File(s)
08214277.pdf (1.01 MB)
Published version
Author(s)
Chakravorty, D
Guo, J
Chaudhuri, B
Hui, SYR
Type
Journal Article
Abstract
This paper presents small signal stability analysis of distribution networks with electric springs (ESs) installed at the customer supply points. The focus is on ESs with reactive compensation only. Vector control of ES with reactive compensation is reported for the first time to ensure compatibility with the standard stability models of other components such as the interface inverter of distributed generators (DGs). A linearized state-space model of the distribution network with multiple ESs is developed which is extendible to include inverter-interfaced DGs, energy storage, active loads etc. The impact of distance of an ES from the substation, proximity between adjacent ESs and the R/X ratio of the network on the small signal stability of the system is analyzed and compared against the case with equivalent DG inverters. The collective operation of ESs is validated through simulation study on a standard distribution network.
Date Issued
2019-03
Date Acceptance
2017-10-12
Citation
IEEE Transactions on Power Systems, 2019, 10 (2), pp.1543-1552
URI
DOI
ISSN
0885-8950
Publisher
Institute of Electrical and Electronics Engineers
Start Page
1543
End Page
1552
Journal / Book Title
IEEE Transactions on Power Systems
Volume
10
Issue
2
Copyright Statement
This work is licensed under a Creative Commons Attribution 3.0 License. For more information, see http://creativecommons.org/licenses/by/3.0/.
License URL
Sponsor
Engineering and Physical Sciences Research Council
Grant Number
EPSRC
Subjects
Science & Technology
Technology
Engineering, Electrical & Electronic
Engineering
Distributed generation
dynamic model
distribution network
electric spring
small signal stability
state space
vector control
VOLTAGE CONTROL
SMART LOADS
MODEL
0906 Electrical and Electronic Engineering
0915 Interdisciplinary Engineering
Publication Status
Published
Date Publish Online
2017-12-15