ANALISIS SUSUT UMUR BERDASARKAN PEMBEBANAN PADA TRANSFORMATOR DAYA 329 MVA BLOK 3 PLTGU PRIOK
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
NUR ARI SAFITRI, ZULHANIFAH
Handayani, Oktaria
Handayani, Oktaria
Subject
Teknik Elektro
Datestamp
2022-11-01 08:08:52
Abstract :
The power transformer in the power generation system is one of the main components that functions to transfer power from a medium-voltage generator to a high-voltage transmission. According to IEC the basic life of a transformer is 20.55 years, but not all transformers can operate according to the standard requirements. The Priok Block 3 PLTGU Power Transformer has been operating for 10 years with a loading pattern of never more than 80%. This study will analyze how the effect of loading on life loss and find out the remaining life of the transformer with a sample of daily loading for 1 month, namely in February 2022 and using transformer specification data and ambient temperature of 31oC obtained from interviews, observations and literature studies. Based on the calculation, it is known that the loading is directly proportional to the life loss of the transformer and the Transformer Block 3 PLTGU Priok experiences a life loss of 3.1% with the remaining life of the transformer, which is 10.2 years. From the case study above, we can analyze which factors are more dominant than the age of the transformer so that it can be used as a reference for safer transformer operation so that the transformer's lifetime can be maintained.
The power transformer in the power generation system is one of the main components that functions to transfer power from a medium-voltage generator to a high-voltage transmission. According to IEC the basic life of a transformer is 20.55 years, but not all transformers can operate according to the standard requirements. The Priok Block 3 PLTGU Power Transformer has been operating for 10 years with a loading pattern of never more than 80%. This study will analyze how the effect of loading on life loss and find out the remaining life of the transformer with a sample of daily loading for 1 month, namely in February 2022 and using transformer specification data and ambient temperature of 31oC obtained from interviews, observations and literature studies. Based on the calculation, it is known that the loading is directly proportional to the life loss of the transformer and the Transformer Block 3 PLTGU Priok experiences a life loss of 3.1% with the remaining life of the transformer, which is 10.2 years. From the case study above, we can analyze which factors are more dominant than the age of the transformer so that it can be used as a reference for safer transformer operation so that the transformer's lifetime can be maintained.
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