Small signal stability analysis of distribution networks with electric springs

Diptargha Chakravorty; Jinrui Guo; Balarko Chaudhuri; Shu Yuen Ron Hui

doi:10.1109/TSG.2017.2772224

Small signal stability analysis of distribution networks with electric springs

Diptargha Chakravorty, Jinrui Guo^*, Balarko Chaudhuri, Shu Yuen Ron Hui

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

20 Citations (Scopus)

1 Downloads (CityUHK Scholars)

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. © 2017 IEEE

Original language	English
Article number	8214277
Pages (from-to)	1543-1552
Journal	IEEE Transactions on Smart Grid
Volume	10
Issue number	2
DOIs	https://doi.org/10.1109/TSG.2017.2772224
Publication status	Published - 1 Mar 2019
Externally published	Yes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Funding

This work was supported in part by the Engineering and Physical Science Research Council, U.K., through the Autonomic Power Systems under Grant EP/I031650/1, in part by the China Scholarship Council and Imperial College London under Grant 201604100122, and in part by the Hong Kong Research Grant Council through the Theme-Based Project under Grant T23-701/14-N

Research Keywords

Distributed generation
Distribution network
Dynamic model
Electric spring
Small signal stability
State space
Vector control

Publisher's Copyright Statement

This full text is made available under CC-BY 3.0. https://creativecommons.org/licenses/by/3.0/

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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. {\textcopyright} 2017 IEEE",

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AU - Guo, Jinrui

AU - Chaudhuri, Balarko

AU - Hui, Shu Yuen Ron

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

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N2 - 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. © 2017 IEEE

AB - 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. © 2017 IEEE

KW - Distributed generation

KW - Distribution network

KW - Dynamic model

KW - Electric spring

KW - Small signal stability

KW - State space

KW - Vector control

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DO - 10.1109/TSG.2017.2772224

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EP - 1552

JO - IEEE Transactions on Smart Grid

JF - IEEE Transactions on Smart Grid

IS - 2

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ER -

Small signal stability analysis of distribution networks with electric springs

Abstract

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Research Keywords

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