In this paper, the authors propose a simple model-based methodology for faults identification and location in electrical distribution systems. Its ease allows the implementation on a micro-controller based apparatus to be installed at each Medium Voltage substation. The model is based on a lumped parameters representation of each span of line that can be affected by a fault. The input electrical features are unsynchronized line currents and line-to-line voltages and at the two ends of each span of line. Using line-to-line voltages instead than line-to-ground voltages, as suggested by many authors, brings a big benefit because the value of the reference ground voltage, especially at distribution level, can be affected by large uncertainties. The paper describes the proposed two-end algorithm that allows the location and identification of faults and finally in the application section some test results based on simulations are reported.

Campoccia, A., Di Silvestre, M.L., Riva Sanseverino, E., & Zizzo, G. (2012). A simple unsynchronized two-end algorithm for faults location and identification in electrical distribution systems. COMPEL, 31 (2), 636-655 [10.1108/03321641211200626].

A simple unsynchronized two-end algorithm for faults location and identification in electrical distribution systems

CAMPOCCIA, Angelo;DI SILVESTRE, Maria Luisa;RIVA SANSEVERINO, Eleonora;ZIZZO, Gaetano
2012

Abstract

In this paper, the authors propose a simple model-based methodology for faults identification and location in electrical distribution systems. Its ease allows the implementation on a micro-controller based apparatus to be installed at each Medium Voltage substation. The model is based on a lumped parameters representation of each span of line that can be affected by a fault. The input electrical features are unsynchronized line currents and line-to-line voltages and at the two ends of each span of line. Using line-to-line voltages instead than line-to-ground voltages, as suggested by many authors, brings a big benefit because the value of the reference ground voltage, especially at distribution level, can be affected by large uncertainties. The paper describes the proposed two-end algorithm that allows the location and identification of faults and finally in the application section some test results based on simulations are reported.
Settore ING-IND/33 - Sistemi Elettrici Per L'Energia
Settore ING-IND/31 - Elettrotecnica
Campoccia, A., Di Silvestre, M.L., Riva Sanseverino, E., & Zizzo, G. (2012). A simple unsynchronized two-end algorithm for faults location and identification in electrical distribution systems. COMPEL, 31 (2), 636-655 [10.1108/03321641211200626].
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/10447/63530
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