Analisis Tahanan Isolasi Pada Transformator Di Gardu Induk 150 KV Purwodadi

Riyanto, Sigit and , Aris Budiman, ST.MT (2021) Analisis Tahanan Isolasi Pada Transformator Di Gardu Induk 150 KV Purwodadi. Skripsi thesis, Universitas Muhammadiyah Surakarta.

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Abstract

Power trasformator is an important tool in the electrical power system where the function is to channel the voltage from high voltage to the voltage randah or vice versa. There are several important parts in the power transformer, one of which is insulation. In each operation the transformer must always be in a capable condition, therefore it must be carried out routine maintenance and testing of equipment components, one of which is the testing of isolation prisoners, isolation prisoners themselves aim to test the polarization index in order to know the condition of the isolation prisoner whether it is still feasible to use or is not feasible, the way the test is by comparing the results of the voltage test at the 10th minute with the results of the voltage test at 1 minute , while the delta tan test is used to see the good or bad condition of an electrical equipment insulation, and for the last test that is oil testing, this test serves to know the condition of oil quality whether the condition is still good or bad. The following are the results of calculations and tests at the Main Substation 150 KV Purwodadi, in the polarization index data shows the average results in the range of 1.25 - 2.0 can be concluded that the polarization condition is still in good condition, next is the test results of oil quality in transformers that showed the results of 69.0, the results showed that the quality of oil is still in good condition, as well as the oltc oil quality condition which shows an average yield of 80.1 the results show that the quality of oil is still in good condition , there is no need for replacement. If the condition of the oil in the transformer is not feasible bainya immediately do filtering, while for OLTC oil if there has been a change in the color form of brown or cloudy warba should be replaced immediately.

Item Type:	Karya ilmiah (Skripsi)
Uncontrolled Keywords:	isolation prisoner testing, polarization testing, oil quality in insulation, tangent delta.
Subjects:	T Technology > T Technology (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Fakultas Teknik > Teknik Elektro
Depositing User:	SIGIT RIYANTO
Date Deposited:	08 Jun 2021 01:49
Last Modified:	08 Jun 2021 01:49
URI:	http://eprints.ums.ac.id/id/eprint/91618

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