Improved method for considering PMU’s uncertainty and its effect on real-time stability assessment methods based on Thevenin equivalent

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedings – Annual report year: 2015Researchpeer-review

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Improved method for considering PMU’s uncertainty and its effect on real-time stability assessment methods based on Thevenin equivalent. / Perez, Angel; Jóhannsson, Hjörtur; Østergaard, Jacob; Martin, Kenneth .

Proceedings of PowerTech Eindhoven 2015. IEEE, 2015.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedings – Annual report year: 2015Researchpeer-review

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@inproceedings{4c9ad044bdd34b04b3fd03c986910f47,
title = "Improved method for considering PMU’s uncertainty and its effect on real-time stability assessment methods based on Thevenin equivalent",
abstract = "This article characterizes experimentally the relation between phase and magnitude error from Phasor Measurement Units (PMU) in steady state and study its effect on real-time stability assessment methods. This is achieved by a set of laboratory tests applied to four different devices, where a bivariate Gaussian mixture distribution was used to represent the error, obtained experimentally, and later include it in the synthesized PMU measurement using the Monte Carlo Method. Two models for including uncertainty are compared and the results show that taking into account the correlation between magnitude and phase error reduces significantly the uncertainty in the calculated voltage stability indexes for all the study cases.",
keywords = "Voltage stability, Long term dynamics, Synchronized phasor measurements, Wide area monitoring, Voltage stability margin, Total vector error",
author = "Angel Perez and Hj{\"o}rtur J{\'o}hannsson and Jacob {\O}stergaard and Kenneth Martin",
year = "2015",
doi = "10.1109/PTC.2015.7232772",
language = "English",
booktitle = "Proceedings of PowerTech Eindhoven 2015",
publisher = "IEEE",
address = "United States",

}

RIS

TY - GEN

T1 - Improved method for considering PMU’s uncertainty and its effect on real-time stability assessment methods based on Thevenin equivalent

AU - Perez, Angel

AU - Jóhannsson, Hjörtur

AU - Østergaard, Jacob

AU - Martin, Kenneth

PY - 2015

Y1 - 2015

N2 - This article characterizes experimentally the relation between phase and magnitude error from Phasor Measurement Units (PMU) in steady state and study its effect on real-time stability assessment methods. This is achieved by a set of laboratory tests applied to four different devices, where a bivariate Gaussian mixture distribution was used to represent the error, obtained experimentally, and later include it in the synthesized PMU measurement using the Monte Carlo Method. Two models for including uncertainty are compared and the results show that taking into account the correlation between magnitude and phase error reduces significantly the uncertainty in the calculated voltage stability indexes for all the study cases.

AB - This article characterizes experimentally the relation between phase and magnitude error from Phasor Measurement Units (PMU) in steady state and study its effect on real-time stability assessment methods. This is achieved by a set of laboratory tests applied to four different devices, where a bivariate Gaussian mixture distribution was used to represent the error, obtained experimentally, and later include it in the synthesized PMU measurement using the Monte Carlo Method. Two models for including uncertainty are compared and the results show that taking into account the correlation between magnitude and phase error reduces significantly the uncertainty in the calculated voltage stability indexes for all the study cases.

KW - Voltage stability

KW - Long term dynamics

KW - Synchronized phasor measurements

KW - Wide area monitoring

KW - Voltage stability margin

KW - Total vector error

U2 - 10.1109/PTC.2015.7232772

DO - 10.1109/PTC.2015.7232772

M3 - Article in proceedings

BT - Proceedings of PowerTech Eindhoven 2015

PB - IEEE

ER -