Testing and evaluating grounding systems of high voltage energized substations: alternative approaches

The paper presents the results of tests performed in the grounding system of an energized high voltage substation. Three different methods for the grounding evaluation are discussed and compared. Results show the promising capability of the alternative testing methods as well as the data processing...

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Bibliographic Details
Published in:IEEE transactions on power delivery 1999-07, Vol.14 (3), p.923-927
Main Authors: Boaventura, W.C., Lopes, I.J.S., Rocha, P.S.A., Coutinho, R.M., Castro, F., Dart, F.C.
Format: Article
Language:English
Subjects:
Activation
Alternative energy sources
Applied sciences
Data processing
Electrical engineering. Electrical power engineering
Electrical power engineering
Exact sciences and technology
Grounding
High voltages
Performance evaluation
Power measurement
Power networks and lines
Power system faults
Power system measurements
Power system protection
Safety
Substations
System testing
Voltage
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Summary:The paper presents the results of tests performed in the grounding system of an energized high voltage substation. Three different methods for the grounding evaluation are discussed and compared. Results show the promising capability of the alternative testing methods as well as the data processing methodologies. A new method, named the "transition method", has proved to have some advantages over the currently used methods.
ISSN:0885-8977
1937-4208
DOI:10.1109/61.772335