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Energi & Kelistrikan
Published by Institut Teknologi Perusahaan Listrik Negara
ISSN : 19790783     EISSN : -     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
ENERGI & KELISTRIKAN 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 171 Documents
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Penambahan DGR (Directional Ground Relay) Pada Recloser Untuk Menurunkan SAIDI / SAIFI DI ULP Lamongan Fadjar Kurniadi; Ahmad Deni Aji; Guruh Diyuksamana
Energi & Kelistrikan Vol 13 No 2 (2021): Energi dan Kelistrikan: Jurnal Ilmiah
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/energi.v13i2.1556

Abstract

The purpose of adding a DGR Relay to the Recloser is to improve the performance of the Recloser so that the network reliability value expressed by Saidi and Saifi is better. At ULP Lamongan, in general the protection on the installed Recloser is OCR and GFR relays. In systems with high resistance grounding, the performance of the recloser is not optimal, so it is necessary to add a DGR relay. The implementation of adding a DGR Relay to the Recloser at the Lamongan Customer Service Unit can reduce SAIDI by 86% and decrease SAIFI value by 58%.
Aplikasi Manajemen P2TL (Penertiban Pemakaian Tenaga Listrik) Berbasis Android I Made Dedik Parnanda Satriadi
Energi & Kelistrikan Vol 14 No 1 (2022): Energi dan Kelistrikan: Jurnal Ilmiah
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/energi.v14i1.1282

Abstract

Tahun 2020 target KPI untuk Susut Jaringan PT PLN (Persero) UIW Nusa Tenggara Timur adalah sebesar 7,03%. Untuk mencapai target tersebut berbagai upaya dilakukan dimana salah satunya adalah kegiatan P2TL atau Penertiban Pemakaian Tenaga Listrik. P2TL bertujuan untuk menertibkan penggunaan energi listrik oleh pelanggan. Namun, pada pelaksanaan P2TL, proses pencatatan hasil pemeriksaan oleh petugas lapangan masih dilakukan dengan cara konvensional (manual). Proses ini menimbulkan kendala yaitu: (1) Membutuhkan waktu untuk proses input hasil pemeriksaan P2TL dan Foto eviden ke aplikasi MP2T, (2) Berpotensi terjadi human error pada saat proses input data hasil pemeriksaan P2TL, (3) Tidak ada pencatatan koordinat pada saat pelaksanaan P2TL. Untuk mengatasi kendala tersebut maka diperlukan sebuah sistem yang didukung dengan teknologi informasi berupa aplikasi mobile berbasis Android untuk membantu pelaksanaan kegiatan P2TL di lapangan. Sistem ini akan memudahkan petugas lapangan dalam mengelola data Target Operasi P2TL serta hasil pemeriksaan P2TL. Adapun tujuan umum yang ingin dicapai dari penilitian ini yaitu untuk membangun Aplikasi Manajemen Penertiban Pemakaian Tenaga Listrik (P2TL) berbasis Android. Tujuan khusus penelitian ini adalah sebagai berikut : (1) Untuk memudahkan petugas dalam melakukan pencatatan hasil kegiatan P2TL di lapangan, (2) Untuk meminimalkan kesalahan input hasil kegiatan P2TL, (3) Untuk mendapatkan data koordinat kegiatan P2TL.
Komparasi Output Termoelektrik Generator ( Kuat Arus Dan Tegangan ) Pada Jalas Aspal Dan Beton Dengan 3 Variasi Bentuk Plat Tembaga Luthfi Afiif Yazu; Rahmat Iman Mainil; Azridjal Aziz
Energi & Kelistrikan Vol 14 No 1 (2022): Energi dan Kelistrikan: Jurnal Ilmiah
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/energi.v14i1.1353

Abstract

Solar radiation heat energy is energy that propagates throughout the earth's surface and is absorbed stored in various objects on the earth's surface. A thermoelectric generator is an electrical generator device that converts heat (temperature difference) directly into electrical energy, using a phenomenon called the Seebeck effect. In this research, this research was carried out by utilizing the absorption of solar radiation heat on a concrete road with a type of cast concrete class III with K 250 and asphalt type AC-WC as a thermoelectric generator. This research uses 3 thermoelectric generator modules type 1848 which will be arranged in series, the cooling system is filled with water using 2 asphalt and concrete variables, each of which has three variations of L, I and Z-shaped heat conductor plates. The test results show that asphalt has energy larger than concrete. L plate is the best plate on both asphalt and concrete roads. This research allows it to be developed to become a reference source of the latest alternative energy. Keywords: Heat Energy, Thermoelectric generator, Plate variation
Remote Terminal Unit Alternatif Heri Andi
Energi & Kelistrikan Vol 14 No 1 (2022): Energi dan Kelistrikan: Jurnal Ilmiah
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/energi.v14i1.1545

Abstract

Load Breaking Switch (LBS) is an asset that has an important role in the distribution system with the role of disconnecting and connecting the flow of electrical power from a 20 kV distribution system, LBS can also be used as a section when adding or reducing feeder loads and is often used as a maneuvering point between Feeder. To optimize the function and operation of the Motorized LBS, it is necessary to integrate the SCADA system so that it can be operated remotely. In this integration process, one of the important components needed is the Remote Terminal Unit (RTU) which functions as a device that provides information about the equipment and carries out orders (teleinformation), but to achieve this we are constrained by the very expensive price of the RTU. For this reason, an alternative remote terminal unit is needed as a substitute for the RTU which represents the function of the RTU on the scada system itself. By installing alternative RTUs, SAIDI decreased by 17.74 % and recovery time by 2.99 %.
Identifikasi Gangguan Open Circuit Dan Short Circuit Pada Instalasi Photovoltaic Array Dengan MPPT Berbasis Artificial Neural Network Khalin Khalin; Sutedjo Sutedjo; Dimas Okky Anggriawan
Energi & Kelistrikan Vol 14 No 1 (2022): Energi dan Kelistrikan: Jurnal Ilmiah
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/energi.v14i1.1554

Abstract

In the field of photovoltaic, the last few years have been very hotly discussed and researched as a new renewable source to produce electricity that cannot be exhausted. In the development effort there must be some problems arising from the existence of a new system. As with open circuit and short circuit interference. Therefore, The Identification of Open Circuit and Short Circuit Interference in Photovoltaic Array Installation with MPPT Based Artificial Neural Network is present to solve the problem. For identification of the location of the disruption is carried out on each photovoltaic string by knowing the voltage and current when there is an open circuit or short circuit interference, as well as the output power of the MPPT is used to determine the type of interference that occurs. Identification of interference using the Artificial Neural Network method with the purpose of this system can find out the location of interference and the type of open circuit or short circuit interference in photovoltaic array installations with MPPT. So that it is easy to know the location of the disturbance that is useful to maximize handling quickly and precisely. Keywords: Photovoltaic array, open circuit, short circuit, MPPT, Artificial Neural Network ABSTRAK Dalam bidang photovoltaic, beberapa tahun terakhir sangat hangat menjadi perbincangan dan penelitian sebagai sumber baru terbarukan untuk menghasilkan energi listrik yang tidak bisa habis. Dalam upaya pengembangnnya pasti ada beberapa permasalahan yang timbul dari adanya sistem baru. Seperti halnya adanya gangguan open circuit dan short circuit. Maka dari itu, Identifikasi Gangguan Open Circuit dan Short Circuit pada Instalasi Photovoltaic Array dengan MPPT Berbasis Artificial Neural Network hadir untuk menyelesaikan masalah tersebut. Untuk identifikasi lokasi gangguan dilakukan pada setiap string photovoltaic dengan mengetahui tegangan dan arus ketika terjadi gangguan open circuit maupun short circuit, serta daya keluaran dari MPPT digunakan untuk mengetahui jenis gangguan yang terjadi. Identifikasi gangguan menggunakan metode Artificial Neural Network dengan tujuan sistem ini dapat mengetahui lokasi gangguan dan jenis gangguan open circuit atau short circuit pada instalasi photovoltaic array dengan MPPT. Sehingga memudahkan untuk mengetahui lokasi gangguan yang berguna untuk memaksimalkan penanganan secara cepat dan tepat. Kata kunci: Photovoltaic array, open circuit, short circuit, MPPT, Artificial Neural Network
Pengaturan Kecepatan Motor Induksi 3 Fasa Dengan Metode V/F Konstan Dan Kontrol PID-CHR Maulana Malik Ibrahim
Energi & Kelistrikan Vol 14 No 1 (2022): Energi dan Kelistrikan: Jurnal Ilmiah
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/energi.v14i1.1632

Abstract

Its sturdy construction and simple maintenance make the induction motor the main driving machine in the industry. Induction motor speed setting is one of the operating conditions that are often used so that an inverter 3 phase is needed as an induction motor speed regulator. Inverter 3 phase is a device used to make AC voltage 3 phase from dc voltage supply source. Inverter 3 phase used type Current Source Inverter that uses the Sinusoidal Pulse Width Modulation (SPWM) method with constant voltage / frequency control (v / f constant). In optimizing the motor response, it is used to control feedback with a low error rate, pid-CHR control is applied which can cover a wider range of operating conditions and is easily adjustable.
Penerapan Metode Particle Swarm Optimization dan Genetic Algorithm pada Optimisasi Sudut Kelengkungan Turbin Air Banki Untuk Mendapatkan Efisiensi Daya Optimal Herminarto Nugroho; Nabilla Ananda Yusva; Ortega Incon Marama Pandiangan
Energi & Kelistrikan Vol 14 No 1 (2022): Energi dan Kelistrikan: Jurnal Ilmiah
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/energi.v14i1.1636

Abstract

Indonesia memiliki banyak sumber daya seperti panas bumi, surya, angin, air, dan lain sebagainya. Diantara banyaknya sumber daya, air merupakan sumber daya yang paling dominan bagi Indonesia. Karena jumlah ketersediaan air di Indonesia mencapai 694 milyar meter kubik pertahunnya. Sehingga, pembangkit listrik tenaga air banyak digunakan sebagai pemasok energi. Pada jurnal ini membahas efisiensi pembangkit listrik tenaga air menggunakan model turbin air Banki yang ditulis oleh Mockmore dan Merryfield pada tahun 1949. Permasalahan yang akan dibahas adalah bagaimana memaksimalkan daya keluaran turbin dengan menggunakan metode optimasi Particle Swarm Optimization (PSO) dan Genetic Algorithm (GA). Perbedaan yang didapat dengan menggunakan kedua metode ini adalah nilai maksimum daya keluaran, efisiensi dan jumlah iterasi maksimum yang dilakukan. Berdasarkan perbedaan tersebut maka dapat dikatakan bahwa metode PSO lebih baik daripada GA dalam memaksimalkan daya keluaran dan efisiensi dari turbin
Analysis of The Impact of Sedimentation Dredging on Headloss Repair & Operating Patterns of CWP (Circulating Water Pump) PLTU Lontar Muhammad Pinandhito Adi Dharma; Iwa Garniwa
Energi & Kelistrikan Vol 14 No 1 (2022): Energi dan Kelistrikan: Jurnal Ilmiah
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/energi.v14i1.1649

Abstract

The PLTU Lontar Extension Project (1x315 MW) is a national strategic project being built by PT. PLN (Persero). The project stage is currently in the commissioning phase but is hampered by indications of sedimentation occurring at the intake mouth area of ​​the Circulating Water System. There are indications of sedimentation at the intake mouth due to the high head loss between the intake mouth and the upstream box culvert which has an impact on inhibiting the flow of seawater entering the Lontar PLTU intake canal. The existence of obstacles to the flow of sea water has resulted in insufficient cooling water flow for the needs of 8 Circulating Water Pump (CWP) pumps, namely 6 CWP for 3 units of PLTU Existing and 2 CWP for 1 unit of PLTU Extension. The sea bed level on the side of the intake mouth according to the basic design is -4.5 m but after the survey (bathymetry, topography, floating sediment, currents, tides) the actual condition is currently at a depth of -0.9 m. As one solution, the dredging method is taken to restore conditions according to the basic design. To find out if there is an improvement in headloss, a simulation is carried out using the Hec-ras 2D application. After the simulation, it was found that the headloss/compression loss significantly improved in the hydraulic simulation with a flow rate of 42 m3/s at 6 pumps running, before dredging 30 cm and after dredging to 18 cm and also with a flowrate of 60 m3/s at 8 pumps running. , before dredging 55 cm and after dredging to 21 cm at the right position upstream of the box culvert. This headloss condition is predicted to propagate downstream to the forebay and CWP pump pits, so that dredging in this area is simulated to increase the performance of the Lontar PLTU circulating water intake so that 8 CWPs can operate together continuously.
Analisis dan Performa Disain Tujuh Step Multilevel Inverter Setiyono setiyono setiyono
Energi & Kelistrikan Vol 14 No 1 (2022): Energi dan Kelistrikan: Jurnal Ilmiah
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/energi.v14i1.1651

Abstract

The Seven Step multilevel inverter has 3 H – Bridge switching circuits which are designed from transistor and IGBT semiconductor circuits. The performance of the switches is regulated by the ignition unit which consists of pulses of frequency with a certain ignition angle. This pulse pulse determines the output voltage form of the H-Bridge multilevel inverter circuit. The output voltage form is a square pulse. There are seven step output voltage levels that are close to a sinusoidal shape, but still contain high levels of harmonics. This large Total Harmonic Distortion (THD) can be overcome by increasing the number of levels or steps in the output voltage by adding an H-Bridge strand to the next level. The modeling of this 7 step multilevel inverter circuit is designed using Matlab Simulink Tools.
Penerapan Pola Koordinasi Proteksi Non-Cascade pada OCR Incoming dan OCR Penyulang Trafo Muhammad Luthfiansyah Romadhoni
Energi & Kelistrikan Vol 14 No 1 (2022): Energi dan Kelistrikan: Jurnal Ilmiah
Publisher : Sekolah Tinggi Teknik PLN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33322/energi.v14i1.1656

Abstract

Reliability is an important aspect to ensure continuity of electrical supply. Fast fault clearing is very important to avoid damaging effects on equipment and power system stability. On the other hand, selectivity of the protection must be achieved to ensure no unnecessary outages. The problem with protection coordination existing is only using delay time between an incoming over-current relay (OCR) and an outgoing OCR to clear the fault in the system. When fault occurs on busbar 20kV, large current will flow through the transformer during fault clearing time. Non-Cascade protection coordination uses simple coordination between incoming OCRs and all outgoing OCRs to determine the exact location of the fault. By using this coordination scheme, Busbar 20 kV fault can be detected, and trip instantly but still gives time to the outgoing relay to trip if the fault occurs on the outgoing.

Page 16 of 18 | Total Record : 171

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