Investigation Of Kraft Insulating Paper Properties Under Accelerated Thermal Ageing Environment

Hamid, Mohd Nur Hisyamuddin Ajmal (2019) Investigation Of Kraft Insulating Paper Properties Under Accelerated Thermal Ageing Environment. Project Report. UTeM, Melaka. (Submitted)

Text Investigation Of Kraft Insulating Paper Properties Under Accelerated Thermal Ageing Environment - Mohd Nur Hisyamuddin Ajmal Hamid - 24 Pages.pdf - Submitted Version Download (313kB)

Abstract

Insulation material in power transformer is very crucial in protecting the material inside the transformer itself. Majority of transformers failure are caused by the insufficient protections that were provided by insulation material itself. When the power transformer operated, presence of moisture content, acidity and oxygen in the transformer can manipulate the properties of the insulation material. Therefore, this project is aim to investigate the most ideal combination between insulating paper and three types of insulating oil types in terms of their acidity, moisture content for insulating oil and tensile strength and colour change for insulating paper after thermal aging process happen. The paper be combines with the different types of insulating oils and be put in the oven to act as accelerated thermal aging process. The accelerated thermal aging be at 110 and 130 degree celcius and were run for 750 hours. The samples with different combination of insulating materials be removed from the oven every 250, 500 and 750 hours. The standards by ASTM were used along this project were implemented as guidance for every tests that had been made. After the samples were collect for different 250 hours duration of time, they go on test to check for their moisture, acidity, UV-Vis for insulating oil while tensile strength and colour changed for insulating paper. After all the samples be removed and tests, the data for the test will be analyze before the combination that have high quality to be the most suitable combination of insulating material will be suggest to be use in the power transformers.

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