Load Cycling Test and Impulse Test on Low and Medium Voltage Accessories

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Journal Title
Journal ISSN
Volume Title
Sähkötekniikan korkeakoulu | Master's thesis
Date
2014-03-31
Department
Major/Subject
Power Systems and High Voltage Engineering
Mcode
S-18
Degree programme
EST - Master’s Programme in Electrical Engineering
Language
en
Pages
69 + 3
Series
Abstract
This thesis has been done for Ensto Finland Oy as a part of expansion of their testing facility. The objective of the project is to study the standards for testing medium voltage and low voltage underground accessories and to determine the requirements for building up the test equipment for heating cycle test and impulse voltage test on them. Cable accessories to be tested include indoor terminations, outdoor terminations, cable joints and screened separable connectors. Essentially it is required to calculate the ratings of the testing equipment, approximate cost involved (cost information shall only be made available to Ensto Finland Oy and not discussed here) and required space for setting up the testing station. Tests were carried out to calculate the required rating of heating cycle test transformers. Safety standard for test laboratories were also studied in order to estimate space requirement and procedure for the safe installation and operation of the test equipment. Offers from various manufactures were collected to obtain the approximate cost for the test equipment.
Description
Supervisor
Lehtonen, Matti
Thesis advisor
Mäkeläinen, Jukka
Keywords
heating cycle voltage test, load cycling, cable testing, impulse voltage testing, cable accessory testing.
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