Thermal behaviour analysis of Polypropylene (PP) and High Density Polyethylene (HDPE) insulation material under IPT test

Mahmud, Muhammad Hamizan (2021) Thermal behaviour analysis of Polypropylene (PP) and High Density Polyethylene (HDPE) insulation material under IPT test. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

In high voltage system, insulation plays main role in order to ensure the performance of high voltage equipment. Currently the polymer insulation material will be used in high voltage insulation system. PP and HDPE is type of polymer. It commonly uses as insulation material. However, due to the electrical, thermal and mechanical stress will affected the performance of high voltage insulation system. Therefore, in this project it is proposed to study the thermal behaviour analysis of PP and HDPE insulation material under Inclined Plane Tracking (IPT) test. In this project, the objective for this project to use the Inclined Plane Tracking (IPT) test as diagnostic tools of the thermal behavior of PP and HDPE, to acquire the thermal behaviors, temperature and tracking of PP and HDPE insulation material subjected to IPT test measurement., and to analyses the relationship of thermal behavior, temperature, and tracking length of PP and HDPE insulation material subjected to Inclined Plane Tracking (IPT) test measurement. According to BS EN 60587 standard, the IPT test was conducted. In this project the test voltage 3.5 kV used, and the test was conducted up to 6 hours. The thermal behaviour of PP and HDPE insulation material was investigated. From the result obtained, the thermal behaviour of PP is slightly brighter compare to HDPE because more heat and infrared radiation emitted and released upon PP insulator material compared to HDPE. Other than that, the temperature of PP has higher temperature compared to HDPE. It was verified by its operating temperature, which is operating temperature of PP is higher than HDPE. lastly, the result obtained for the tracking on both sample PP and HDPE show that both sample failed because the tracking has reaches the end point criterion, where surface tracking on the sample has reached more than 25mm. Consequently, IPT test measurement can be pratically used in order to use in insulation material testing especially investigating the thermal behaviour performance of material

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