optimization power flow at pt pln persero yogyakarta
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Show the electric power line 20 kV in Indoensia especially SedayuTRANSCRIPT
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[ Rishal Asri 091.04.1007
Electrical Engineering]
judul
outlineabstrak
like thispendahuluan
latar belakang
teori
jenis
komputasi
sistem
topologi
beban
penyulang
sop
pembahasan
analisis
34
45
penutup
refrensi
pertanyaan
langkah optimasi
terima kasih
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THE STUDY OF LOAD FLOW OPTIMIZATION ON 20 kV LINE AT PLN (Persero) YOGYAKARTA RAYON SEDAYU AREA USING ETAP 7.0.0
RISHAL ASRI091.04.1007
ELECTRICAL ENGINEERING DEPARTMENTINDUSTRIAL TECHNOLOGY FACULTY
INSTITUTE OF SCIENCE & TECHNOLOGY OF AKPRIND YOGYAKARTA2013
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Outline
Abstract
Preface
The Literature Study
Distribution System of 20 kV at PT.PLN (Persero) Rayon Sedayu
The Discussion
Conclution
Reference
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AbstractElectric power system includes the generation, transmission lines, distribution systems, and the load. Distribution system is a main part of electric power systems that directly related with consumer such as industrial level and hospitality as a large consumer and also residential area and household industries as a small consumer. Needed a good planing to get a reliable electricity distribution system. This research will be discussed of load flow optimization studies using ETAP Power Station. This research on 20 kV line at PT. PLN (Persero) Yogyakarta Sedayu Rayon area. Expected for this research will get a reliable and stability electric system.
Keywords: Distribution System 20 kV, ETAP, Rayon Sedayu, Optimization.
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Power System Line
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Preface
• A power distribution system planning is important to ensure that the growth of electric power can be anticipated with the system development or an addition with technically and economically qualified.
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Background
Distribution system is a line that most ranges with overload so that frequent explosions on the transformer distribution due to overload.
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The Literature Study
• Distribution system is a main part of electric power systems that directly related to consumer.
• Distribution system divided into primary and secondary distribution.
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The Distribution System 20 kV
Distibution system
20 kV three
phase, three
wire with neutral
grounding, high
resistance
Distribution system
20 kV three
phase, three
wire with neutral
grounding , low
resistance
Distribution
system 20 kV three phase, fourth
wire with neutral
grounding directly.
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Numerical Computation
• . One of method to solve linier equation that advantage with directly used for calculate load flow analysis
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Distribution System 20 kV PT. PLN (Persero) Yogyakarta Rayon Sedayu Area
• Godean sub station have two power transformer 30 MVA. Godean sub station have 6 feeder : GDN 01, GDN 02, GDN 03, GDN 04, GDN 05 dan GDN 06.
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Godean Sub Station Topology
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pptPlex Live Content
bahan\topologi GI jogja.ppt
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Transformer Load
31-03-13 01-04-13 02-04-13 03-04-13 04-04-13 05-04-13 06-04-13 07-04-13 08-04-1302468
101214161820
16.643 16.36 16.839 17.58 17.497 16.416
11.572
6.862
13.161 13.379
19.032
15.18914.037
16.416
Godean 1
Trafo 1 Daya pagi hari P (MW) Trafo 1 Daya malam hari P (MW)
Tanggal
Daya
(MW
)
31-03-13 01-04-13 02-04-13 03-04-13 04-04-13 05-04-13 06-04-13 07-04-13 08-04-130
5
10
15
20
25
18.227 17.567 17.957 19.136 18.9729999999999 17.595
12.115
19.768
13.799 13.912 13.93 14.171 13.948
17.595
Godean 2
Trafo 2 Daya pagi hari P (MW) Trafo 2 Daya malam hari P (MW)
Tanggal
Daya
(MW
)
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The Feeder Godean Sub Station 1-5
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Standing Operation Procedure
• Important factors that affect the continuity distribution is regulation and operation of distribution system when work and interference network, so that the turning off can be made as small as possible. In addition, fast to transfer the load to the charging source backup and isolate disturbance.
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The Discussion
• When transfer of load is load fault condition or over load so the transfer load will be done.
• Transfer of load accordance with Standing Operation Proccedure (SOP).
• To find effect of transfer load so load flow optimization studies will be done.
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SOP Substation Godean
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pptPlex Live Content
bahan\Slide GI GDN.vsd
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Analysis
• Load flow studies used Newton-Rhapson method with ETAP Power Station 7.0.0. version. This method suggested for first using in ETAP Power Station 7.0.0 version program.
0.5 1 1.5 2 2.5 3 3.5 4 4.50
2
4
6
8
10
12
0
9.788
7.544
5.017
9.717 9.646
7.435
4.945
GDN 01
Kondisi Penyulang Normal P(MVA) Kondisi Penyulang Gangguan P(MVA)
BUS
Daya
(MVA
)
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0.5 1 1.5 2 2.5 3 3.5 4 4.5012345678
0
3.321
0.574
4.17499999999999
7.52799999999998 7.496
4.0873.314
GDN 03
Kondisi Penyulang Normal P(MVA) Kondisi Penyulang Gangguan P(MVA)
BUS
Daya
(MVA
)
0.5 1 1.5 2 2.5 3 3.5 4 4.50
2
4
6
8
10
0
2.075 1.885
7.84499999999999
8.795 8.696
5.793
3.729
GDN 02
Kondisi Penyulang Normal P(MVA) Kondisi Penyulang Gangguan P(MVA)
BUS
Daya
(MVA
)
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0.5 1 1.5 2 2.5 3 3.5 4 4.50
1
2
3
4
5
6
0
2.177 2.331
0.375000000000001
4.776 4.771
2.621
0.362
GDN 05
Kondisi Penyulang Normal P(MVA) Kondisi Penyulang Gangguan P(MVA)
BUS
Daya
(MVA
)
0.5 1 1.5 2 2.5 3 3.5 4 4.5012345678
0
3.782
1.805 1.936
7.179 7.157
3.251
1.555
GDN 04
Kondisi Penyulang Normal P(MVA) Kondisi Penyulang Gangguan P(MVA)
BUS
Daya
(MVA
)
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Conclution
Conclution• When the disruption or maintenance on the GDN feeder 01 can be
optimized so that the transfer of load can be overcome. On the feeder GDN 02 and GDN 03 the optimization so less due to of the load transfer bigger than the load transfer in the feeders. On feeders GDN 04 the optimization load flow can be done with transfer of load about ± 50%. On the feeder GDN 05 optimization load flow when the load transfer can be done so that on the 4 bus can be answered with the transfer of load by feeders transfer.
• Load transfer needs to be done if the interruption or maintanance but should pay attention of load flow and the condition of the area being diverted because it can lead to huge losses if the load is transfer does not fit or is not able to overcome by switching of feeders.
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Refrention
[1] Amir, Anas (2006) : Studi Perencanaan Jaringan Distribusi Tenaga Listrik Pada PT. PLN (Persero) Area Yogyakarta, Skripsi , Institut Sains dan Teknologi AKPRIND, 22-24
[2] Gonen, Turan. 1987. “Electric Power Distribution System Engineering “, McGraw-Hill Inc: Singapore.
[3] Kadir, Abdul. 1981.” Sistem Distribusi Tenaga Listrik “,Erlangga, PT. Seksama, Jakarta.[4] Kastari, M.Hendra (2006) : Sistem Pengaman Jaringan Distribusi Di PT. PLN
(Persero) APJ Yogyakarta, Tugas Akhir, Institut Sains dan Teknologi AKPRIND,11-16[5] Masruri, (2006) : Evaluasi Profil Tegangan Pada Saluran Distribusi 20 KV di PT. PLN
(Persero) APJ Yogyakarta Dengan Bantuan ETAP 4.0.0, Skripsi, Institut Sains dan Teknologi AKPRIND, 7-8
[6] Pabla. 2002.“Electric Distribution Engineering”. Tata Megraw- Hill: Publishing Company Limited, New Delhi.
[7] Subagyo, Heru, 2008,“Operasi dan Pemeliharaan Sistem Proteksi Penyaluran”, Asosiasi Profesionalis Elektrikal Indonesia (APEI), Surabaya
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Any Questions
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Thank You WASSALAMU ALAIKUM WR.WB