Sensor Fusion for Power Line Sensitive Monitoring and Load State Estimation

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Sensor Fusion for Power Line Sensitive Monitoring and Load State Estimation. / Schimmack, Manuel; Belda, Květoslav; Mercorelli, Paolo.
in: Sensors, Jahrgang 23, Nr. 16, 7173, 14.08.2023.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

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Bibtex

@article{f327a62c8587416d82a919ebdcdd6081,
title = "Sensor Fusion for Power Line Sensitive Monitoring and Load State Estimation",
abstract = "This paper deals with a specific approach to fault detection in transformer systems using the extended Kalman filter (EKF). Specific faults are investigated in power lines where a transformer is connected and only the primary electrical quantities, input voltage, and current are measured. Faults can occur in either the primary or secondary winding of the transformer. Two EKFs are proposed for fault detection. The first EKF estimates the voltage, current, and electrical load resistance of the secondary winding using measurements of the primary winding. The model of the transformer used is known as mutual inductance. For a short circuit in the secondary winding, the observer generates a signal indicating a fault. The second EKF is designed for harmonic detection and estimates the amplitude and frequency of the primary winding voltage. This contribution focuses on mathematical methods useful for galvanic decoupled soft sensing and fault detection. Moreover, the contribution emphasizes how EKF observers play a key role in the context of sensor fusion, which is characterized by merging multiple lines of information in an accurate conceptualization of data and their reconciliation with the measurements. Simulations demonstrate the efficiency of the fault detection using EKF observers.",
keywords = "fault detection, soft sensing, state estimation of electrical systems, transformers, Engineering",
author = "Manuel Schimmack and Kv{\v e}toslav Belda and Paolo Mercorelli",
note = "Funding Information: This work was partially supported by the Czech Science Foundation under the project No. 23-04676J on Modelling, control and experiments; and ERASMUS+ programme organized at the College of Polytechnics Jihlava and realized at the Leuphana University of Lueneburg. Publisher Copyright: {\textcopyright} 2023 by the authors.",
year = "2023",
month = aug,
day = "14",
doi = "10.3390/s23167173",
language = "English",
volume = "23",
journal = "Sensors",
issn = "1424-8239",
publisher = "MDPI AG",
number = "16",

}

RIS

TY - JOUR

T1 - Sensor Fusion for Power Line Sensitive Monitoring and Load State Estimation

AU - Schimmack, Manuel

AU - Belda, Květoslav

AU - Mercorelli, Paolo

N1 - Funding Information: This work was partially supported by the Czech Science Foundation under the project No. 23-04676J on Modelling, control and experiments; and ERASMUS+ programme organized at the College of Polytechnics Jihlava and realized at the Leuphana University of Lueneburg. Publisher Copyright: © 2023 by the authors.

PY - 2023/8/14

Y1 - 2023/8/14

N2 - This paper deals with a specific approach to fault detection in transformer systems using the extended Kalman filter (EKF). Specific faults are investigated in power lines where a transformer is connected and only the primary electrical quantities, input voltage, and current are measured. Faults can occur in either the primary or secondary winding of the transformer. Two EKFs are proposed for fault detection. The first EKF estimates the voltage, current, and electrical load resistance of the secondary winding using measurements of the primary winding. The model of the transformer used is known as mutual inductance. For a short circuit in the secondary winding, the observer generates a signal indicating a fault. The second EKF is designed for harmonic detection and estimates the amplitude and frequency of the primary winding voltage. This contribution focuses on mathematical methods useful for galvanic decoupled soft sensing and fault detection. Moreover, the contribution emphasizes how EKF observers play a key role in the context of sensor fusion, which is characterized by merging multiple lines of information in an accurate conceptualization of data and their reconciliation with the measurements. Simulations demonstrate the efficiency of the fault detection using EKF observers.

AB - This paper deals with a specific approach to fault detection in transformer systems using the extended Kalman filter (EKF). Specific faults are investigated in power lines where a transformer is connected and only the primary electrical quantities, input voltage, and current are measured. Faults can occur in either the primary or secondary winding of the transformer. Two EKFs are proposed for fault detection. The first EKF estimates the voltage, current, and electrical load resistance of the secondary winding using measurements of the primary winding. The model of the transformer used is known as mutual inductance. For a short circuit in the secondary winding, the observer generates a signal indicating a fault. The second EKF is designed for harmonic detection and estimates the amplitude and frequency of the primary winding voltage. This contribution focuses on mathematical methods useful for galvanic decoupled soft sensing and fault detection. Moreover, the contribution emphasizes how EKF observers play a key role in the context of sensor fusion, which is characterized by merging multiple lines of information in an accurate conceptualization of data and their reconciliation with the measurements. Simulations demonstrate the efficiency of the fault detection using EKF observers.

KW - fault detection

KW - soft sensing

KW - state estimation of electrical systems

KW - transformers

KW - Engineering

UR - http://www.scopus.com/inward/record.url?scp=85168780552&partnerID=8YFLogxK

U2 - 10.3390/s23167173

DO - 10.3390/s23167173

M3 - Journal articles

C2 - 37631710

AN - SCOPUS:85168780552

VL - 23

JO - Sensors

JF - Sensors

SN - 1424-8239

IS - 16

M1 - 7173

ER -

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