Adaptive DC stabilizer with reduced DC fault current for active distribution power system application

Dong Chen; Lie Xu; James Yu

doi:10.1109/TPWRS.2016.2571063

Adaptive DC stabilizer with reduced DC fault current for active distribution power system application

Dong Chen, Lie Xu, James Yu

Electronic And Electrical Engineering

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

139 Downloads (Pure)

Abstract

This paper takes a systematic view on the control
and protection of medium power DC networks in an active
distribution power system considering fault current limiting,
system control and converter design. Reduced terminal
capacitance and extra DC impedance are used to limit DC fault
current and reduce the required converter current rating for
medium power DC networks. An adaptive DC power stabilizer is
proposed to alleviate possible system instability brought by the
fault current limiting settings in the presence of constant power
load. The effect of the current limiting method and the proposed
stabilizer on DC fault current and stability enhancement are
validated by simulation studies using a simple two-converter DC
network and a multi-terminal DC network in an active
distribution power system

Original language	English
Number of pages	10
Journal	IEEE Transactions on Power Systems
Early online date	19 May 2016
DOIs	https://doi.org/10.1109/TPWRS.2016.2571063
Publication status	E-pub ahead of print - 19 May 2016

Keywords

DC power system
DC protection
DC stabilizer
active distribution power system
DC microgrid

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UK-INDIA SMART GRID
Xu, L.
EPSRC (Engineering and Physical Sciences Research Council)
1/02/14 → 31/10/17
Project: Research

Cite this

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title = "Adaptive DC stabilizer with reduced DC fault current for active distribution power system application",

abstract = "This paper takes a systematic view on the controland protection of medium power DC networks in an activedistribution power system considering fault current limiting,system control and converter design. Reduced terminalcapacitance and extra DC impedance are used to limit DC faultcurrent and reduce the required converter current rating formedium power DC networks. An adaptive DC power stabilizer isproposed to alleviate possible system instability brought by thefault current limiting settings in the presence of constant powerload. The effect of the current limiting method and the proposedstabilizer on DC fault current and stability enhancement arevalidated by simulation studies using a simple two-converter DCnetwork and a multi-terminal DC network in an activedistribution power system",

keywords = "DC power system, DC protection, DC stabilizer, active distribution power system, DC microgrid",

author = "Dong Chen and Lie Xu and James Yu",

note = "(c) 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, 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 components of this work in other works.",

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AU - Chen, Dong

AU - Xu, Lie

AU - Yu, James

N1 - (c) 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, 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 components of this work in other works.

PY - 2016/5/19

Y1 - 2016/5/19

N2 - This paper takes a systematic view on the controland protection of medium power DC networks in an activedistribution power system considering fault current limiting,system control and converter design. Reduced terminalcapacitance and extra DC impedance are used to limit DC faultcurrent and reduce the required converter current rating formedium power DC networks. An adaptive DC power stabilizer isproposed to alleviate possible system instability brought by thefault current limiting settings in the presence of constant powerload. The effect of the current limiting method and the proposedstabilizer on DC fault current and stability enhancement arevalidated by simulation studies using a simple two-converter DCnetwork and a multi-terminal DC network in an activedistribution power system

AB - This paper takes a systematic view on the controland protection of medium power DC networks in an activedistribution power system considering fault current limiting,system control and converter design. Reduced terminalcapacitance and extra DC impedance are used to limit DC faultcurrent and reduce the required converter current rating formedium power DC networks. An adaptive DC power stabilizer isproposed to alleviate possible system instability brought by thefault current limiting settings in the presence of constant powerload. The effect of the current limiting method and the proposedstabilizer on DC fault current and stability enhancement arevalidated by simulation studies using a simple two-converter DCnetwork and a multi-terminal DC network in an activedistribution power system

KW - DC power system

KW - DC protection

KW - DC stabilizer

KW - active distribution power system

KW - DC microgrid

U2 - 10.1109/TPWRS.2016.2571063

DO - 10.1109/TPWRS.2016.2571063

M3 - Article

JO - IEEE Transactions on Power Systems

JF - IEEE Transactions on Power Systems

SN - 0885-8950

ER -

Adaptive DC stabilizer with reduced DC fault current for active distribution power system application

Abstract

Keywords

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