Validation of Voltage Instability Detection and Control Using a Real Power System Incident

This paper applies a voltage instability monitoring method based on voltage and current measurements from a transmission bus PMU on the Hellenic Interconnected System using both unstable and marginally stable scenarios, derived from the historical 12 July 2004 blackout of the Athens area. The effect...

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Main Authors: Charalambos Lambrou, Panagiotis Mandoulidis, Costas Vournas
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/14/21/7165
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author Charalambos Lambrou
Panagiotis Mandoulidis
Costas Vournas
author_facet Charalambos Lambrou
Panagiotis Mandoulidis
Costas Vournas
author_sort Charalambos Lambrou
collection DOAJ
description This paper applies a voltage instability monitoring method based on voltage and current measurements from a transmission bus PMU on the Hellenic Interconnected System using both unstable and marginally stable scenarios, derived from the historical 12 July 2004 blackout of the Athens area. The effectiveness, selectivity and reliability of the proposed monitoring method is clearly demonstrated, allowing its integration into a System Protection Scheme with direct load shedding. It is shown that the proposed instability detection and control scheme could have prevented the voltage collapse if applied at the time of the event.
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spelling doaj.art-a25b4e9b1a714806952c64e89b3b94be2023-11-22T20:44:32ZengMDPI AGEnergies1996-10732021-11-011421716510.3390/en14217165Validation of Voltage Instability Detection and Control Using a Real Power System IncidentCharalambos Lambrou0Panagiotis Mandoulidis1Costas Vournas2School of Electrical and Computer Engineering, National Technical University of Athens, 9 Iroon Polytechniou St., 157 80 Zografou, GreeceSchool of Electrical and Computer Engineering, National Technical University of Athens, 9 Iroon Polytechniou St., 157 80 Zografou, GreeceSchool of Electrical and Computer Engineering, National Technical University of Athens, 9 Iroon Polytechniou St., 157 80 Zografou, GreeceThis paper applies a voltage instability monitoring method based on voltage and current measurements from a transmission bus PMU on the Hellenic Interconnected System using both unstable and marginally stable scenarios, derived from the historical 12 July 2004 blackout of the Athens area. The effectiveness, selectivity and reliability of the proposed monitoring method is clearly demonstrated, allowing its integration into a System Protection Scheme with direct load shedding. It is shown that the proposed instability detection and control scheme could have prevented the voltage collapse if applied at the time of the event.https://www.mdpi.com/1996-1073/14/21/7165voltage stabilityinstability detectionreal-time stability monitoringwide area protectionsystem protection schemePMUs
spellingShingle Charalambos Lambrou
Panagiotis Mandoulidis
Costas Vournas
Validation of Voltage Instability Detection and Control Using a Real Power System Incident
Energies
voltage stability
instability detection
real-time stability monitoring
wide area protection
system protection scheme
PMUs
title Validation of Voltage Instability Detection and Control Using a Real Power System Incident
title_full Validation of Voltage Instability Detection and Control Using a Real Power System Incident
title_fullStr Validation of Voltage Instability Detection and Control Using a Real Power System Incident
title_full_unstemmed Validation of Voltage Instability Detection and Control Using a Real Power System Incident
title_short Validation of Voltage Instability Detection and Control Using a Real Power System Incident
title_sort validation of voltage instability detection and control using a real power system incident
topic voltage stability
instability detection
real-time stability monitoring
wide area protection
system protection scheme
PMUs
url https://www.mdpi.com/1996-1073/14/21/7165
work_keys_str_mv AT charalamboslambrou validationofvoltageinstabilitydetectionandcontrolusingarealpowersystemincident
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AT costasvournas validationofvoltageinstabilitydetectionandcontrolusingarealpowersystemincident