Impact of VSC faults on dynamic performance and low voltage ridethrough of DFIG

A doubly-fed induction generator’s (DFIG’s) sensitivity to external faults has motivated researchers to investigate the impact of various grid disturbances, such as voltage sags and short circuit faults, on its low-voltage ride-through (LVRT) capability. However, no attention has been paid to the im...

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Main Authors: Abdou, A., Abu-Siada, Ahmed, Pota, H.
Format: Journal Article
Published: Elsevier Ltd 2015
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/5677
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author Abdou, A.
Abu-Siada, Ahmed
Pota, H.
author_facet Abdou, A.
Abu-Siada, Ahmed
Pota, H.
author_sort Abdou, A.
building Curtin Institutional Repository
collection Online Access
description A doubly-fed induction generator’s (DFIG’s) sensitivity to external faults has motivated researchers to investigate the impact of various grid disturbances, such as voltage sags and short circuit faults, on its low-voltage ride-through (LVRT) capability. However, no attention has been paid to the impact of internal faults in voltage source converters (VSCs) that interface a DFIG with the grid, on the dynamic performance of the machine. This paper investigates the impacts of various VSC faults, on the dynamic performance and LVRT capability of a DFIG. Faults such as open and short circuit within VSC switches and across the DC-link capacitor are considered in this paper. The impact of internal VSC faults when they occur within the grid side converter (GSC) and rotor side converter (RSC) is investigated. Compliance of the voltage profiles of a DFIG with the LVRTs specified in the recent grid codes of the USA, Spain, Mexico, Denmark, Ireland, Germany, Quebec and the UK are examined for the faults studied. The simulation results show that these faults should be considered in designs of protection systems aimed at avoiding any catastrophic failure of the converter switches or wind turbine.
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publishDate 2015
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spelling curtin-20.500.11937-56772017-09-13T14:47:33Z Impact of VSC faults on dynamic performance and low voltage ridethrough of DFIG Abdou, A. Abu-Siada, Ahmed Pota, H. grid side converter (GSC) Doubly-fed induction generator’s (DFIG’s) DC-link capacitor voltage source converters (VSC) low-voltage ride-through (LVRT) capability rotor side converter (RSC) VSC switches A doubly-fed induction generator’s (DFIG’s) sensitivity to external faults has motivated researchers to investigate the impact of various grid disturbances, such as voltage sags and short circuit faults, on its low-voltage ride-through (LVRT) capability. However, no attention has been paid to the impact of internal faults in voltage source converters (VSCs) that interface a DFIG with the grid, on the dynamic performance of the machine. This paper investigates the impacts of various VSC faults, on the dynamic performance and LVRT capability of a DFIG. Faults such as open and short circuit within VSC switches and across the DC-link capacitor are considered in this paper. The impact of internal VSC faults when they occur within the grid side converter (GSC) and rotor side converter (RSC) is investigated. Compliance of the voltage profiles of a DFIG with the LVRTs specified in the recent grid codes of the USA, Spain, Mexico, Denmark, Ireland, Germany, Quebec and the UK are examined for the faults studied. The simulation results show that these faults should be considered in designs of protection systems aimed at avoiding any catastrophic failure of the converter switches or wind turbine. 2015 Journal Article http://hdl.handle.net/20.500.11937/5677 10.1016/j.ijepes.2014.10.014 Elsevier Ltd restricted
spellingShingle grid side converter (GSC)
Doubly-fed induction generator’s (DFIG’s)
DC-link capacitor
voltage source converters (VSC)
low-voltage ride-through (LVRT) capability
rotor side converter (RSC)
VSC switches
Abdou, A.
Abu-Siada, Ahmed
Pota, H.
Impact of VSC faults on dynamic performance and low voltage ridethrough of DFIG
title Impact of VSC faults on dynamic performance and low voltage ridethrough of DFIG
title_full Impact of VSC faults on dynamic performance and low voltage ridethrough of DFIG
title_fullStr Impact of VSC faults on dynamic performance and low voltage ridethrough of DFIG
title_full_unstemmed Impact of VSC faults on dynamic performance and low voltage ridethrough of DFIG
title_short Impact of VSC faults on dynamic performance and low voltage ridethrough of DFIG
title_sort impact of vsc faults on dynamic performance and low voltage ridethrough of dfig
topic grid side converter (GSC)
Doubly-fed induction generator’s (DFIG’s)
DC-link capacitor
voltage source converters (VSC)
low-voltage ride-through (LVRT) capability
rotor side converter (RSC)
VSC switches
url http://hdl.handle.net/20.500.11937/5677