Penstabilan Tegangan Dengan Sistem On Load Tap Changer Transformator I 150/20 kV Pada Gardu Induk Paya Geli
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Siregar, Leo Denly JP
Yogianto, Aloysius Agus
Yogianto, Aloysius Agus
Subject
Teknik Elektro
Datestamp
2022-09-29 07:22:25
Abstract :
Electric power systems are always required to have quality reliability and have a stable voltage. The Paya Geli Substation power transformer has been equipped with an On-Load Tap Changer (OLTC) system which is expected to obtain a reliable and stable voltage on the secondary side even though the secondary voltage also changes. In the OLTC calculation results at peak load, the results obtained a good tap position is a position with a Vs value of 21.18 kV with an average voltage drop and power loss below 2%. At the lowest load OLTC, the results of the Tap 8 position with a value of Vs = 21.14 kV with an average voltage drop and power loss are below 1%. From the calculation results, the value of the voltage drop and power loss meets the PLN standard, which is below 5%
Electric power systems are always required to have quality reliability and have a stable voltage. The Paya Geli Substation power transformer has been equipped with an On-Load Tap Changer (OLTC) system which is expected to obtain a reliable and stable voltage on the secondary side even though the secondary voltage also changes. In the OLTC calculation results at peak load, the results obtained a good tap position is a position with a Vs value of 21.18 kV with an average voltage drop and power loss below 2%. At the lowest load OLTC, the results of the Tap 8 position with a value of Vs = 21.14 kV with an average voltage drop and power loss are below 1%. From the calculation results, the value of the voltage drop and power loss meets the PLN standard, which is below 5%
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