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INDONESIA
Jurnal Ilmiah Sutet
Published by Institut Teknologi Perusahaan Listrik Negara
ISSN : 23561505     EISSN : 26569175     DOI : -
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Materials Science & Nanotechnology Mechanical Engineering
SUTET Journal, especially to the Electrical Engineering Lecturer and generally to all Practitioners to be able to contribute in the form of scientific writing which will be useful for the application of science and technology, especially in the field of Electrical and Electrical Engineering.
Arjuna Subject : -
Articles 105 Documents
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ANALISIS PENURUNAN BIAYA POKOK PENYEDIAAN TENAGA LISTRIK BELAWAN DENGAN REPOWERING PLTU BELAWAN 4X65 MW MENJADI PLTGU 500 - 600 MW Eri Prabowo; Agung Hariyanto; Wijang Setiyo Purwoko
Sutet Vol 8 No 1 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (347.848 KB) | DOI: 10.33322/sutet.v8i1.716

Abstract

Belawan steam power plant has been operating since 1984 with a configuration of 4 x 65 MW. The Belawan power plant is designed to operate with Marine Fuel Oil (MFO) fuel oil. By age, the Belawan power plant has exceeded its design life (the average design life of the plant is 25 to 30 years) and has decreased its power (Derating) and efficiency. So with the condition causes the Cost of Supply Power Supply is not competitive in North Sumatra System with Levelized Tariff value of 2,485.13 (Rp / kWh). From the study of the implementation of Repowering for Belawan steam power plant with configuration per unit of 1-1-2 resulted in Plant efficiency and Heat Rate better than the configuration per unit of 1-1-1. Estimated investment cost of Repowering Belawan Power Plant Configuration 2x260 MW is US $ 500,680,375.63 * Rp. 13,556, - (December middle rate 2017) = Rp. 6,787,328,578,382,54 and the value of its Levelized Tariff is 1,196.22 (Rp / kWh). Repowering with configuration per unit of 1-1-2 has GT 260.949 MW / Unit output, Total Plant Output 739.32 MW, Heat Rate 6072.19 BTU / kWh and Plant efficiency 56.15%.
PENGEMBANGAN PROGRAM AUTO ECONOMY MODE BERBASIS PLC UNTUK EFISIENSI BAHAN BAKAR DUMP TRUCK HD 785 Tri Wahyu Oktaviana Putri; Kartika Tresya Mauriraya; Teguh Juwono
Sutet Vol 8 No 1 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (332.185 KB) | DOI: 10.33322/sutet.v8i1.717

Abstract

This research aims to design an automation system on Dump truck as fuel efficiency effort. The existence of control of fuel efficiency will be very helpful in reducing cost / budget expenditure on each company. Auto Economy mode is an automatic system in the mode of activation (power mode or economy mode) in accordance with the state of the unit load. When the unit is loaded heavy then the system will automatically turn on the power mode. And then, when the unit is not charged, the system will automatically activate the economy mode. Automatic operation of 2 modes would require an enhancement as a controller. In the Auto Economy mode HD785-7 used PLC as a controller.
ANALISIS INDEKS KEANDALAN STASIUN LAYANG MASS RAPID TRANSIT JAKARTA BERDASARKAN KEGAGALAN RATA-RATA PERALATAN SISTEM DISTRIBUSI Zainal Arifin; John Pantouw; Sahrul Anwar
Sutet Vol 8 No 1 (2018): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (332.185 KB) | DOI: 10.33322/sutet.v8i1.718

Abstract

Mass Rapid Transit (MRT) is an effective mass- transportation mode that has been proven by many in major cities in different countries. This will be applied in Indonesia but still limited to Jakarta which will be managed by PT. Mass Rapid Transit Jakarta (MRTJ). The MRTJ is targeted to carry 173,000 people a day. The purpose of this MRTJ development is to reduce the use of private transportation and switch to public transportation so as to reduce traffic congestion. Electricity as a source of this transportation means must be guaranteed reliability. Proper configuration, reliable equipment and automated system operation will provide a good distribution system performance. With the smooth progress of electric power to consumers, the more reliable a distribution system. With the prediction of 99.5% to 99.9999% availability of electricity supply is expected to ensure the reliability of the MRTJ power supply system.
Analisa Setting Rele Differensial Pada Generator PT. PJB UBJ O & M PLTU Rembang Ibnu Hajar
Sutet Vol 9 No 1 (2019): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/sutet.v9i1.325

Abstract

ABSTRACT PT PJB UBJ O&M Rembang PLTU is one of the Java Bali steam power plants, which the output that produced by the Rembang PLTU generator is 315 MW. Generator is the core equipment of system which has different of operating characteristics and protection systems. Disturbances in generators include damage to generators or auxiliary devices, single-phase short circuit current, three-phase short-circuit current and imperfect electrical contacts. To avoid such interferences, a protection system is needed, one of which uses differential relay. This device works very fast and does not require time delay by detecting the difference in the current entering the stator coil, if the current accross on the stator coil is different then the differential relay will work. The purpose of this study is to analyze the differential relay settings on generators installed at PT PJB UBJ O&M Rembang PLTU which affect the reliability of the generator. The method used in this study is a quantitative method, where in this method a research approach is widely demanded to use numbers from data collection, processing of data, and appearance of the results. The relay setting obtained from this study is 0.1804 A, which means it is still in good condition, so it can carry out its duties as a protection system.Keywords: Generator, Differential Relay, Short Circuit, Protection System ABSTRAK PT PJB UBJ O&M PLTU Rembang merupakan salah satu pembangkit listrik tenaga uap Jawa Bali, dimana output yang dihasilkan generator PLTU Rembang sebesar 315 MW. Generator merupakan peralatan utama dari sistem pembangkitan yang memiliki karakteristik pengoperasian dan sistem proteksi yang berbeda. Gangguan pada generator diantaranya kerusakan generator atau alat bantu generator, arus hubung singkat satu fasa, arus hubung singkat tiga fasa dan kontak-kontak listrik yang belum sempurna. Untuk menghindari gangguan tersebut diperlukannya sistem proteksi, salah satunya menggunakan rele differensial. Rele differensial ini bekerja dengan sangat cepat dan tidak memerlukan penundaan waktu (time delay) dengan cara mendeteksi perbedaan arus yang masuk melalui kumparan stator, apabila arusnya berbeda maka rele differensial akan bekerja. Tujuan penelitian ini adalah untuk menganalisis penyetelan rele differensial pada generator di PT PJB UBJ O&M PLTU Rembang yang berpengaruh terhadap keandalan pembangkit. Metode yang digunakan pada penelitian ini adalah metode kuantitatif, dimana dalam metode ini dilakukan pendekatan penelitian yang banyak dituntut menggunakan angka dari pengumpulan data, pengolahan terhadap data, serta penampilan hasilnya. Hasil yang didapat dari penelitian ini setelan rele differensialnya sebesar 0,1804 A, yang berarti masih dalam keadaan baik, sehingga dapat menjalankan tugasnya sebagai sistem proteksi.Kata kunci: Generator, Rele Differensial, Hubung Singkat, Sistem Proteksi
Analisis Hasil Uji Pembangkit Listrik Hybrid Turbin Angin 1kWh Dan Panel Surya 100 WP Hastuti Aziz; Pawenary IPM; Meyhart Bangkit Sitorus
Sutet Vol 9 No 1 (2019): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/sutet.v9i1.384

Abstract

Electrification ratios in some isolated regions and scattered islands in Indonesia are still very low. Until now, most of the electricity needs in Indonesia are still supplied by Diesel Power Plants (PLTD) that use fossil energy as their main fuel. There fore, the use of renewable energy is needed as one of the steps in meeting electricity needs. In this study will be studied about Hybrid Power Generators that utilize wind energy or wind using low speed turbine hybrid by utilizing solar energy using solar panels as an alternative to meet the needs of electrical energy in isolated areas and islands outermost in Indonesia. Testing is done on a small scale. The results obtained from the efficiency of the hybrid system are still less than 30%, namely 11.2% which shows poor performance. The total electricity produced per day is 2.7 kWh.
Perancangan Alat Bantu Swing Otomatis Untuk Mengurangi Kegagalan Produk Pada Industri Bahan Bangunan Pawenary IPM; Meyhart Sitorus; Hastuti Aziz
Sutet Vol 9 No 1 (2019): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/sutet.v9i1.472

Abstract

Kegagalan produk adalah kondisi suatu produk yang tidak sesuai dengan maksud atau tujuan yang diinginkan. Pengendalian kegagalan produk merupakan suatu sistem verifikasi dan penjagaan/ perawatan dari suatu tingkatan kualitas produk atau proses yang dikehendaki. Tujuan dari penelitian ini adalah untuk mengetahui metode yang tepat untuk digunakan dalam perancangan dan pemasangan alat bantu agar mengurangi kegagalan produk. Selain itu penelitian ini memberikan gambaran mengenai perbaikan alat bantu swing otomatis agar produk yang terbuang dapat dimanfaatkan lebih maksimal, sehingga perusahaan dapat meningkatkan keuntungannya. Dari studi literatur didapatkan perancangan dan redesign untuk perbaikan alat bantu ini baik menggunakan dua metode, yaitu : Focus Group Discussion dan Quality Function Development. Selanjutnya alat bantu swing otomatis dianalisis dan hasilnya ia dapat dijadikan sebagai salah satu alternatif yang bisa membantu perusahaan mengurangi biaya produksi dan meningkatkan keuntungan perusahaan. Penggunaan sensor proksimitas yang mampu mendeteksi kontak fisik dapat digunakan untuk memudahkan perancangan swing otomatis tersebut. Dengan digunakannya solenoid valve pneumatic, menjadikan alat tersebut bekerja dengan lebih baik.
Pengujian Analisis TeganganTembus Minyak Transformator 60 MVA Di GIS Kebun Jeruk Sofitri Rahayu; Rudina Okvasari; Retno Aita Diantari
Sutet Vol 9 No 1 (2019): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/sutet.v9i1.495

Abstract

Minyak transformator berfungsi sebagai isolasi dan pendingin, juga mempunyai sifat dapat melarutkan gas-gas yang timbul akibat kerusakan sistem. Penggunaan transformator dimanapun adalah sama, khususnya untuk tranformator daya, yaitu sebagai penaik atau penurun tegangan menyesuaikan tegangan dari mesin itu sendiri. Dengan melakukan perawatan secara berkala dan pemantauan kondisi transformator pada saat beroperasi akan banyak keuntungan yang didapat, antara lain: meningkatkan keandalan dari transformator tersebut, memperpanjang masa pakai, jika masa pakai lebih panjang, maka secara otomatis akan dapat menghemat biaya penggantian unit transformator. Adapun langkah-langkah perawatan transformator salah satun ya adalah pemeriksaan berkala kualitas minyak isolasi. Tujuan dari penelitian ini adalah untuk menganalisis karakteristik dari minyak transformator yang dilakukan pemeriksaan secara berkala di Gardu Induk dengan nilai standar nilai tegangan tembus menurut SPLN’50-1982 dan IEC No. 56 tahun 1991 adalah sebesar ≥30 kV/2,5 mm. Dari hasil pengujian dapat diketahui bahwa nilai rata-rata tegangan tembus minyak trafo 2 sebesar 23,7 KV/2,5 mm dan nilai-nilai rata-rata tegangan tembus minyak trafo 3 sebesar 32,7 KV/2,5 mm. Sehingga dapat dilakukan analisa bahwa untuk tegangan tembus minyak trafo 2 di bawah 30 kV/2,5 mm yang artinya minyak trafo sudah harus dilakukan penanganan lebih lanjut. Sedangkan untuk minyak trafo 3, nilainya diatas di bawah standar 30 kV/2,5 mm yang artinya minyak tersebut masih baik untuk digunakan.
Penurunan Susut Jaringan Dengan Penertiban Pemakaian Tenaga Listrik Novi Gusti Pahiyanti
Sutet Vol 9 No 1 (2019): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/sutet.v9i1.502

Abstract

The decrease in the shrinkage of the distribution network can be done through controlling the use of electricity. Before the use of electricity by consumers, electricity in the distribution network is then fed to the APP (meter and gauge) of the customer's meter and can then be used by customers for daily use. Operational control of electric power expansion that is in the PLN is an activity carried out by the PLN so that there is no loss or can minimize the losses experienced. The truth of measuring meter energy in APP has several obstacles, such as the wrong reading of kwh meters, theft of electricity, use of electricity without measuring the meter, wiring and others. Basically the shrinkage itself is divided into the first two technical losses and non-technical losses in PT PLN (Persero) Teluk Naga Area, in non-technical shrinkage is a problem that is very vigilant because of this shrinkage PLN gets a lot of losses from customers such as affecting power limit, affecting energy measurements can reach 8257.9 kWh / month from 16 customers and experiencing losses of 13809.8 kWh / month therefore customers who make these deviations will be subject to sanctions in the form of a fine of Rp.332,830,661 for all customers who do deviation. The decrease in the shrinkage of the distribution network can be done through controlling the use of electricity. Before the use of electricity by consumers, electricity in the distribution network is then fed to the APP (meter and gauge) of the customer's meter and can then be used by customers for daily use. Operational control of electric power expansion that is in the PLN is an activity carried out by the PLN so that there is no loss or can minimize the losses experienced. The truth of measuring meter energy in APP has several obstacles, such as the wrong reading of kwh meters, theft of electricity, use of electricity without measuring the meter, wiring and others. Basically the shrinkage itself is divided into the first two technical losses and non-technical losses in PT PLN (Persero) Teluk Naga Area, in non-technical shrinkage is a problem that is very vigilant because of this shrinkage PLN gets a lot of losses from customers such as affecting power limit, affecting energy measurements can reach 8257.9 kWh / month from 16 customers and experiencing losses of 13809.8 kWh / month therefore customers who make these deviations will be subject to sanctions in the form of a fine of Rp.332,830,661 for all customers who do deviation.
Optimasi Arus Dan Tegangan Pada Alat Anodizing Portable Sugeng Purwanto
Sutet Vol 9 No 2 (2019): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/sutet.v9i2.525

Abstract

Anodizing process is a process that aims to strengthen the natural protective layer of metals so that the metal becomes a material that is resistant to rust and scratch by using electrolyte solutions and strong DC currents that help the occurrence of chemical reactions. The anodizing process is strongly influenced by current and voltage, the greater the current and voltage, the thicker the oxide layer that occurs on the aluminum surface and the hardness (hardness) will also increase so that the material becomes rust resistant, scratch resistant and if given an organic coating easy to fade or peel off. Optimization of current and voltage on portable anodizing devices will add value to the quality (quality value) of these materials.
Upaya Meningkatkan Efisiensi PLTU Unit 5 PT. PJB Muara Karang Dengan Metode Audit Energi Kartika Tresya Mauriraya; Rio Afrianda; Nurmiati Pasra
Sutet Vol 9 No 2 (2019): JURNAL ILMIAH SUTET
Publisher : Sekolah Tinggi Teknik - PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/sutet.v9i2.539

Abstract

Audit Energi adalah tindakan pemeriksaan dan pengujian terhadap energi yang digunakan dalam suatu kegiatan untuk mendapatkan data pemakaian energi, sebagai bahan masukan dan saran berupa tindakan perbaikan dengan tujuan agar dapat dicapainya penggunaan energi secara efisien, dimana semaksimal mungkin output yang sama dapat diperoleh dengan menggunakan energi lebih sedikit, ataupun dengan mengurangi konsumsi dan kegiatan yang menggunakan energi. PLTU unit 5 PT. PJB Muara Karang yang telah beroperasi selama kurang lebih 35 tahun mengalami gap performance yang cukup signifikan terhadap commissioning (new and clean condition) sehingga diperlukan suatu upaya identifikasi untuk mempersempit gap performance tersebut. Kata kunci: PLTU, Commissioning, Audit Energy

Page 7 of 11 | Total Record : 105

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