PENGARUH KENAIKAN TEGANGAN TERHADAP KARAKTERISTIK POLA PARTIAL DISCHARGE PADA MATERIAL ISOLASI SILICONE RUBBER

SEFTIANTO, FERLIAN and Kurnia, Rizda Fitri and Nawawi, Zainuddin (2020) PENGARUH KENAIKAN TEGANGAN TERHADAP KARAKTERISTIK POLA PARTIAL DISCHARGE PADA MATERIAL ISOLASI SILICONE RUBBER. Undergraduate thesis, Sriwijaya University.

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Abstract

This study discusses the correlation between voltage increase and PD characteristics. In this experiment, CIGRE Method II (CM-II) electrode system was used. The sample isolation was silicone rubber (SiR) sheets with a size of 60 mm x 60 mm and a thickness of 1 mm. Experiments were carried out using HVAC voltage at a frequency of 50 Hz. Experimental results show that the initial discharge begins to appear at a voltage of 4 kV. Discharge signals were recorded for a 180 seconds, at application voltages of 7, 8, and 9 kV. At 8 kV the PD pattern is "turtle-like pattern", after the voltage is increased to 9 kV the PD pattern tends to change to a "rabbit-like pattern". Judging from the number of PD signals (n) there is a very significant increase after the voltage is applied to 8 kV with n = 315, after the voltage becomes 9 kV the value of n = 910. An increased of PD (n) can occur because the increase in applied voltage will increase the field strength in artificial cavity that occurs between the surface of the sphere electrode and the SiR surface which results in an increase the number of electrons released from the anode surface. The PD (i) amplitude value increased by 28.35% at 8 kV, and to 33.5% at 9 kV when compared to the amplitude at 7 kV. Time lag for PD is getting shorter with the increasing applied voltage, 3,848 ms at 7 kV application becomes 1,635 ms after the voltage is increased to 8 kV and becomes 1,198 ms at 9 kV.

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	Partial Discharge, Kenaikan Tegangan, Silicone Rubber
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK452-454.4 Electric apparatus and materials. Electric circuits. Electric networks
Divisions:	03-Faculty of Engineering > 20201-Electrical Engineering (S1)
Depositing User:	Users 8430 not found.
Date Deposited:	06 Oct 2020 01:13
Last Modified:	06 Oct 2020 06:20
URI:	http://repository.unsri.ac.id/id/eprint/36092

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