PERAMALAN USIA TRAFO DAYA AKIBAT PENGARUH BEBAN DAN SUHU MINYAK TRANSFORMATOR MENGGUNAKAN METODE REGRESI LINEAR (STUDI KASUS DI GARDU INDUK 150 kV DEPOK)
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Cahyani, Muri Pramesti
Erlina, Erlina
Erlina, Erlina
Subject
Teknik Elektro
Datestamp
2022-09-29 02:21:41
Abstract :
Substation is a collection of high-voltage electrical equipment that has the use of any equipment that is interconnected with each other so that the distribution of electrical energy can be carried out properly. One of the important equipment in the substation is a power transformer. In this study the load and temperature of transformer oil were analyzed using a simple linear regression method with the help of MS software. Excel and some supporting equations. From this study it can be seen that the effect of load is inversely proportional to the age of power transformer 4 which is shown in the 2021 forecast, when power transformer 4 is loaded 33.29% it will have a remaining life of more than 20 years while in the forecast in 2038, when power transformer 4 loaded with 95.68% will have a remaining life of ± 2 years so that the power transformer 4 can be operated for the next 19 years. This can be used as a reference for the use or plan to replace transformer 4 with a new one starting in 2038. The effect of transformer oil temperature is also inversely proportional to the age of power transformer 4 which is shown in the 2021 forecast, when power transformer 4 with a transformer oil temperature of 50 ,81oC will have a remaining life of more than 20 years and in the forecast in 2039, when power transformer 4 with a transformer oil temperature of 64.67oC will have a remaining life of ±16 years so that power transformer 4 can be operated for more than 20 years which is a transformer base life.
Substation is a collection of high-voltage electrical equipment that has the use of any equipment that is interconnected with each other so that the distribution of electrical energy can be carried out properly. One of the important equipment in the substation is a power transformer. In this study the load and temperature of transformer oil were analyzed using a simple linear regression method with the help of MS software. Excel and some supporting equations. From this study it can be seen that the effect of load is inversely proportional to the age of power transformer 4 which is shown in the 2021 forecast, when power transformer 4 is loaded 33.29% it will have a remaining life of more than 20 years while in the forecast in 2038, when power transformer 4 loaded with 95.68% will have a remaining life of ± 2 years so that the power transformer 4 can be operated for the next 19 years. This can be used as a reference for the use or plan to replace transformer 4 with a new one starting in 2038. The effect of transformer oil temperature is also inversely proportional to the age of power transformer 4 which is shown in the 2021 forecast, when power transformer 4 with a transformer oil temperature of 50 ,81oC will have a remaining life of more than 20 years and in the forecast in 2039, when power transformer 4 with a transformer oil temperature of 64.67oC will have a remaining life of ±16 years so that power transformer 4 can be operated for more than 20 years which is a transformer base life.
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