Prasetyo, Rudy (2015) Studi pengurangan arus inrush pada transformator daya gardu induk Kenjeran 150 KV dengan penambahan VCT-ICL. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Pada tugas akhir ini, akan dibahas pengurangan arus inrush dengan
metode VCT-ICL. Metode VCT-ICL adalah modifikasi metode DC
reactor-type inrush current limiter dengan menambahkan komponen
VCT. Kontribusi komponen VCT adalah untuk mengurangi distorsi
pada gelombang tegangan. Objek studi tugas akhir ini adalah
transformator daya 150 KV Gardu Induk Kenjeran. Dan program
simulasi yang digunakan adalah ATP-EMTP.
Inti pemodelan pada tugas akhir ini ada 3 macam kondisi, yaitu
pemodelan eksisting sistem (sebelum dipasang VCT-ICL), pemodelan
setelah dipasang ICL (DC reactor), dan pemodelan setelah dipasang
VCT-ICL. Kemudian dari hasil pemodelan tersebut didapatkan
perbandingan arus inrush dan tegangan dari ketiga macam kondisi
tersebut.
Besarnya nilai impedansi pada VCT-ICL sebanding dengan nilai
arus inrush yang dikurangi, sehingga metode ini cukup fleksibel untuk
mengurangi arus inrush seperti halnya ICL (DC reactor). Namun hasil
simulasi membuktikan bahwa distorsi pada gelombang tegangan paling
besar terjadi pada kondisi setelah dipasang ICL (DC reactor). Kemudian
setelah dipasang VCT pada ICL dengan nilai parameter DC reactor
yang sama, distorsi yang dihasilkan akibat pemasangan DC reactor
dapat dikurangi.
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In this final project, inrush current reduction by VCT-ICL
method will be explained. VCT-ICL method is a modified from DC-type
reactor inrush current limiter method by adding VCT component. VCT
component contribute to reduce distortion on the voltage waveform. The
object of this final project is 150 KV power transformers of Kenjeran
substation. And a simulation program used is ATP-EMTP.
The main discussion in this final project are three kinds of
conditions, there are the existing modeling system (before being
installed VCT-ICL), modeling after being installed ICL (DC reactor),
and modeling after being installed VCT-ICL. Then from the modeling
results obtained inrush current and voltage of the three kinds of
conditions.
The value of the impedance at the VCT-ICL is proportional to
the value of inrush current is reduced, so this method is flexible enough
to reduce the inrush currents such as ICL (DC reactor). But the
simulation results prove that the distortion in most large voltage occurs
in conditions after being installed ICL (DC reactor). Then after VCT
installed on the ICL with DC reactor parameter values are same,
distortion generated due to the installation of the DC reactor can be
reduced.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Additional Information: | RSE 621.314 Pra s |
| Uncontrolled Keywords: | arus inrush, transformator daya, VCT-ICL ================================================================= inrush current, power transformer, VCT-ICL |
| Subjects: | Q Science > QC Physics > QC610.3 Electric conductivity T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK3226 Transients (Electricity). Electric power systems. Harmonics (Electric waves). |
| Divisions: | Faculty of Electrical Technology > Electrical Engineering > 20201-(S1) Undergraduate Thesis |
| Depositing User: | - Taufiq Rahmanu |
| Date Deposited: | 28 Mar 2019 07:11 |
| Last Modified: | 28 Mar 2019 07:11 |
| URI: | http://repository.its.ac.id/id/eprint/62627 |
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