A 50 Hz after laying test for high-voltage extruded insulation cables

A 50 Hz after laying test for high-voltage extruded insulation cables is proposed. This test, which takes place in the network during normal operation, was successfully carried out twice, and one fault was detected. The authors present the circumstances under which the tests were made, the possible...

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Bibliographic Details
Published in:IEEE transactions on power delivery 1992-01, Vol.7 (1), p.10-14
Main Authors: Paap, G.C., Verveen, A.N.
Format: Article
Language:English
Subjects:
Applied sciences
Assembly
Cable insulation
Circuit testing
Electrical engineering. Electrical power engineering
Electrical power engineering
Exact sciences and technology
Insulation testing
Power cables
Power networks and lines
Power systems
Power transformer insulation
Power transformers
System testing
Underground and submarine networks
Voltage
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Summary:A 50 Hz after laying test for high-voltage extruded insulation cables is proposed. This test, which takes place in the network during normal operation, was successfully carried out twice, and one fault was detected. The authors present the circumstances under which the tests were made, the possible risk factors, and the results. The method of applying the after laying test as a sufficient discriminatory commissioning test was found to be perfectly feasible. The results of the measurements show that this manner of testing does not involve any extra risks to the supplying network. From the experience with two tests, it is concluded that this manner of testing brings weak points of the system to light.< >
ISSN:0885-8977
1937-4208
DOI:10.1109/61.108883