Algorithms for locating faults on series compensated lines using neural network and deterministic methods

This paper investigates a scheme to improve the reach measurement of distance relays and fault locators for series compensated power lines. A deterministic method and a feedforward neural network method have been implemented for online calculation of the voltage across a nonlinear capacitor installa...

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Bibliographic Details
Published in:IEEE transactions on power delivery 1996-10, Vol.11 (4), p.1728-1736
Main Authors: Novosel, D., Bachmann, B., Hart, D., Yi Hu, Saha, M.M.
Format: Article
Language:English
Subjects:
Capacitors
EMTP
Feedforward neural networks
Neural networks
Power measurement
Power system protection
Power system relaying
Protective relaying
Testing
Voltage
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Summary:This paper investigates a scheme to improve the reach measurement of distance relays and fault locators for series compensated power lines. A deterministic method and a feedforward neural network method have been implemented for online calculation of the voltage across a nonlinear capacitor installation. These techniques are compared and incorporated into a new relaying scheme which is independent of the series capacitor installation, operation of the capacitor protection, and the surrounding power system elements. The proposed scheme is simple and accurate and requires only local voltage and current at the bus. Detailed testing using EMTP has been done to show the benefits of the new adaptive scheme. The results demonstrate the suitability of the techniques for real world applications.
ISSN:0885-8977
1937-4208
DOI:10.1109/61.544250