New technique for using SMES to limit fault currents in wind farm power systems

Mariam E. Elshiekh; Diaa Eldin A. Mansour; Min Zhang; Weijia Yuan; Haigang Wang; Min Xie

doi:10.1109/TASC.2018.2810512

New technique for using SMES to limit fault currents in wind farm power systems

Mariam E. Elshiekh^*, Diaa Eldin A. Mansour, Min Zhang, Weijia Yuan, Haigang Wang, Min Xie

^*Corresponding author for this work

Electronic And Electrical Engineering

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

34 Citations (Scopus)

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Abstract

This paper introduces a new scheme, which uses a multifunctional superconducting device that can be used as an energy storage and as a fault current limiter. It is denoted as a superconducting magnetic energy storage - fault current limiter (SMES-FCL) and is modeled as a number of pancakes. It is connected to a wind turbine power system via tertiary transformer and power converters. A complete control scheme is built to achieve effective power transfer between the superconducting coil and the power system during normal operation to smooth the wind turbine output power. The fault current limiting function is implemented using a new technique that inserts a few pancakes from the whole SMES coil into the main electrical system during the fault and isolates the remaining pancakes. The number of pancakes used to limit the fault is quenched and operates as a resistive fault current limiter. The whole system including the wind turbine, the SMES-FCL model, and the interface circuit are implemented using PSCAD/EMTDC computer package. Also, the control scheme of SMES-FCL is built based on a feedback current signal to enable its operation into the two modes.

Original language	English
Article number	5602005
Number of pages	5
Journal	IEEE Transactions on Applied Superconductivity
Volume	28
Issue number	4
Early online date	28 Feb 2018
DOIs	https://doi.org/10.1109/TASC.2018.2810512
Publication status	Published - 1 Jun 2018

Funding

Manuscript received September 19, 2017; accepted February 21, 2018. Date of publication February 28, 2018; date of current version March 13, 2018. This work was supported by the British Council through Newton Fund 216435894 and Newton-Mosharafa Ph.D. Scholarship Program between Egyptian government and British council. (Corresponding author: Mariam E. Elshiekh.) M. E. Elshiekh, M. Zhang, and W. Yuan are with the Department of Electronic and Electrical Engineering, University of Bath, Bath BA2 7AY, U.K (e-mail: [email protected]; [email protected]; [email protected]).

Keywords

fault current limiter
magnetic energy storage
superconducting coil
wind turbine generators

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10.1109/TASC.2018.2810512

Elshiekh-etal-IEEE-TOAS-2018-New-technique-for-using-SMES-to-limit-faultAccepted author manuscript, 522 KB

https://researchportal.bath.ac.uk/en/publications/new-technique-for-using-smes-to-limit-fault-currents-in-wind-farm

Cite this

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title = "New technique for using SMES to limit fault currents in wind farm power systems",

abstract = "This paper introduces a new scheme, which uses a multifunctional superconducting device that can be used as an energy storage and as a fault current limiter. It is denoted as a superconducting magnetic energy storage - fault current limiter (SMES-FCL) and is modeled as a number of pancakes. It is connected to a wind turbine power system via tertiary transformer and power converters. A complete control scheme is built to achieve effective power transfer between the superconducting coil and the power system during normal operation to smooth the wind turbine output power. The fault current limiting function is implemented using a new technique that inserts a few pancakes from the whole SMES coil into the main electrical system during the fault and isolates the remaining pancakes. The number of pancakes used to limit the fault is quenched and operates as a resistive fault current limiter. The whole system including the wind turbine, the SMES-FCL model, and the interface circuit are implemented using PSCAD/EMTDC computer package. Also, the control scheme of SMES-FCL is built based on a feedback current signal to enable its operation into the two modes.",

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New technique for using SMES to limit fault currents in wind farm power systems

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