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All Journal Buletin Udayana Mengabdi Jurnal SPEKTRUM Majalah Ilmiah Teknologi Elektro TELKOMNIKA (Telecommunication Computing Electronics and Control) PROSIDING CSGTEIS 2013 Journal of Electrical, Electronics and Informatics International Journal of Engineering and Emerging Technology Indonesian Journal of Electrical Engineering and Computer Science Journal of Applied Science, Engineering, Technology, and Education Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Majalah Ilmiah Teknologi Elektro

Wayan Gede Ariastina

Study Program Of Electrical Engineering, Faculty Of Engineering,Udayana University

Author-ID : 554089

Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Other

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Studi Keamanan dan Keandalan Suplai Sistem Kelistrikan Bali Sesuai Rencana Operasi SUTET 500 kV Bawa Adiputra; Wayan G Ariastina; I Wayan Sukerayasa
Jurnal Teknologi Elektro Vol 13 No 2 (2014): (July - December) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Kondisi eksisting kelistrikan Bali hingga tahun 2013 disuplai oleh tiga pembangkit tenaga listrik dan sebuah sistem interkoneksi Jamali dengan keseluruhan daya suplai sebesar 676 MW. Berdasarkan peramalan beban sistem Bali 2013-2030 diperoleh rata-rata pertumbuhan beban 6,61%. Berdasarkan hal tersebut PT PLN (Persero) merencanakan penambahan pasokan daya listrik ke pulau Bali dengan penambahan kabel laut, suplai melalui SUTET 500 kV interkoneksi Jawa-Bali, serta pembangunan PLTU Celukan Bawang 980 MW. Dengan beroperasinya unit-unit tersebut diperlukan analisis keamanan suplai sistem kelistrikan Bali, dengan dua skenario. Skenario 1 yaitu sistem Bali hanya menerima pasokan dari PLTU Celukan Bawang pada tahun 2016 sebesar 380 MW. Skenario 2, PLTU Celukan Bawang beroperasi sebesar 380 MW tahun 2016, kemudian pada tahun 2020 dan 2022 menambah daya masing-masing 300 MW. Selain analisis keamanan suplai dilakukan juga analisis keandalan dengan beroperasinya SUTET 500 kV di Bali. Analisis keandalan SUTET 500 kV menggunakan tiga skenario. Skenario 1 SUTET beroperasi dari Paiton sampai di GITET Gilimanuk, Skenario 2 SUTET beroperasi dari PAITON sampai di GITET New Kapal, dan Skenario 3 SUTET beroperasi dari Paiton sampai di GITET Kapal. Dari hasil analisis keamanan suplai diperoleh skenario 1, pada tahun 2022 beban puncak mencapai 1304,10 MW dan pada kondisi N-1 mengalami krisis daya listrik -48,3 MW. Skenario 2, pada tahun 2028 dengan beban puncak 1862,60 MW dan pada kondisi N-1 mengalami krisis daya listrik -6,8 MW. Sedangkan analisis keandalan beroperasinya SUTET 500 kV di Bali diperoleh: Skenario 1 nilai SAIFI = 2,0 kali/km/tahun dan nilai SAIDI = ±10 menit/tahun, Skenario 2 nilai SAIFI = 3,1 kali/km/tahun dan nilai SAIDI = ±15 menit/tahun, Skenario 3 nilai SAIFI = 3,3 kali/km/tahun dan nilai SAIDI = ±17 menit/tahun.

Penerapan Metode Clustering Text Mining Untuk Pengelompokan Berita Pada Unstructured Textual Data Nyoman Gede Yudiarta; Made Sudarma; Wayan Gede Ariastina
Jurnal Teknologi Elektro Vol 17 No 3 (2018): (September - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Good governance was a government whose programs were known and beneficial to the people. In Bali Provincial Government which has duty in disseminating information is Bureau of Public Relations Regional Secretariat Bali through media owned. Because at the time of news input to the media in this case Public Relations Bureau website was not included causing the emergence of problems in the form of difficulty knowing the news, which news that goes into certain categories. Clustering was a method to solve the problem. One of the algorithms used in the Clustering method is the K-Means algorithm. This study focused on designing to classify news data into a category using K-Means. To process the documents obtained to make it easier in the process of clustering, was done by preprocess documents first. Document preparation consists of case folding, tokenization, filtering and stemming. Tf-Idf was done to pass the weighting of the terms obtained on the preprocessed documents. From the results of experiments conducted using different amounts of data that are 50, 100, 200, 300, 400, and 500 data obtained results that the K-Means algorithm applied to cluster news, able to work and provide a satisfactory accuracy, Precision average of 73.11% while Recall of 69.65% and Purity of 0.80 for all test data. When viewed the comparison of each test data, the test on 50 data has the highest average precision and recall rate of 76.92% for its precision and for its recall of 79.58% while for Purity its highest value is on testing 300 data that is equal to 0.83.

STUDI RUGI DAYA SISTEM KELISTRIKAN BALI AKIBAT PERUBAHAN KAPASITAS PEMBANGKITAN DI PESANGGARAN I P. A. Edi Pramana; W. G. Ariastina; I. W. Sukerayasa
Jurnal Teknologi Elektro Vol 14 No 2 (2015): (July - December) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

In the years of 2014 until 2015 Pesangaran plant capacity undergo changes due to the expiration of employment contract lease diesel units and also the addition of new plant unit of 200 MW PLTMG. An increase or reduction in plant capacity of electrical system Bali will lead to significant changes to the load flow, power losses and energy losses in the circuit of Bali electrical Transmission system. Load flow analysis and power losses in Bali electricity system is simulated in five scenarios. Scenario 1 for the conditions of existing in 2014, scenario 2 is currently experiencing a reduction Pesanggaran plant capacity in December 2014, scenario 3 is currently experiencing Pesanggaran plant capacity additions in 2015 by using a peak load of 2014, scenario 4 is the scenario 3 with using predicted peak load in 2015, and scenario 5 is the scenario 4 with assuming the Celukan Bawang plant operates at 130 MW. Based on the results obtained by analysis, scenario 2 has the most power and energy loss about 46.34 MW and 300.39 GWh. For the loss of power and energy Bali electrical systems after Pesanggaran plants changes in 2015 are 38.57 MW and 250.05 GWh.

Kajian Pemanfaatan Stand Alone Photovoltaic System Untuk Penerangan Jalan Umum Di Pulau Nusa Penida I.W. Yudi Martha Wiguna; W.G. Ariastina; INS Kumara
Jurnal Teknologi Elektro Vol 11 No 2 (2012): (July - Decenber) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (285.721 KB)

Nusa Penida merupakan sebuah pulau di tenggara pulau Bali dengan jumlah penduduk 47.448 jiwa. Ketersediaan daya pembangkit PLN di pulau Nusa Penida adalah sebesar 3200 kW. Dengan beban puncak sebesar 2530 kW maka cadangan listrik saat ini hanya sebesar 670 kW. Hal itu menyebabkan krisis listrik sangat terasa bagi masyarakat di daerah terpencil seperti di Pulau Nusa Penida. Saat ini salah satu solusi yang memungkinkan adalah mengembangkan sumber energi terbarukan. Di Pulau Nusa Penida sudah dikembangkan PLTS. Bahkan PLTS di Pulau Nusa Penida dikembangkan juga pada sistem penerangan jalan umum. Pada penelitian ini dilakukan analisa teknis dan biaya untuk mengetahui kelayakan Sistem PJU-TS tersebut. Pada analisa teknis dilakukan pengukuran output tegangan dan arus dari PV Panel ke Charger Controller, dari Charger Controller ke baterai dan ke beban. Analisa teknis menghasilkan bahwa penyebab kerusakan baterai karena kapasitas pembangkitan tidak sebanding dengan kebutuhan kapasitas beban PJU-TS. Dengan kapasitas baterai yang terus kecil akan menyebabkan kerusakan pada baterai. Selain itu karena usia baterai yang sudah lama. Analisa biaya dilakukan dengan 3 skenario dengan tingkat IRR yang ingin dicapai sebesar 10, 11, dan 12 %. Dihasilkan harga jual yang pantas untuk energi listrik PJU-TS Nusa Penida berkisar antara Rp.29.194,00 s/d Rp.31.585,00 per kWh.

ANALISIS SUSUT ENERGI PADA SISTEM KELISTRIKAN BALI SESUAI RENCANA OPERASI SUTET 500 kV Juniastra Gina; I Wayan Ariastina; I Wayan Sukerayasa
Jurnal Teknologi Elektro Vol 11 No 1 (2012): (January - June) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (809.572 KB)

Berdasarkan peramalan beban sistem Bali dari tahun 2012 hingga tahun 2021 dengan pertumbuhan 6.16% sistem Bali harus dapat menyuplai daya sebesar 1059.45 MW pada tahun 2021. Upaya yang dilakukan untuk dapat memenuhi suplai daya listrik sistem Bali hingga tahun 2021 dengan suplai tambahan daya listrik melalui Saluran Udara Tegangan Ekstra Tinggi (SUTET) 500 kV sistem interkoneksi Jawa-Bali. Rencana beroperasinya SUTET 500 kV di Bali perlu mempertimbangkan susut energi yang terjadi. Susut energi dipengaruhi oleh panjang SUTET yang dioperasikan. Analisa susut energi dilakukan dengan menggunakan analisis “Load Flow” dengan tiga skenario beroperasinya SUTET 500 kV. Skenario pertama SUTET sampai di GI Kapal, skenario kedua SUTET sampai di GI New Kapal dan skenario ketiga SUTET sampai di GI Gilimanuk. Skenario dilakukan pada kondisi beban tahun 2015 dan kondisi beban tahun 2021. Berdasarkan hasil analisis diperoleh susut energi terendah jika rencana SUTET dioperasikan sampai di Kapal dengan susut daya tahun 2015 sebesar 11.328 MW atau 1.4% dari suplai dan pada tahun 2021 susut daya sebesar 19.594 MW atau 1.8 % dari suplai. Dari susut daya tersebut dapat diperoleh susut energi tahunan saat SUTET 500 kV dioperasikan di Kapal tahun 2015 sebesar 68.47 GWh dan pada tahun 2021 susut energi sebesar 118.43 GWh. Sehingga dari hasil analisis tersebut skenario SUTET 500 kV beroperasi di GITET kapal merupakan skenario dengan operasi sistem yang optimal dan efisien karena susut daya dan susut energi yang terjadi sangat rendah.

Review Perkembangan PLTS di Provinsi Bali Menuju Target Kapasitas 108 MW Tahun 2025 A.A. Gede Ari Pawitra Putra; I.N.S. Kumara; W. G. Ariastina
Jurnal Teknologi Elektro Vol 19 No 2 (2020): (Juli - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2020.v19i02.P09

The central government policy through RUEN targets Bali to use 108 MWp of solar energy by 2025. Bali as a small island of highly developed tourism destinations in Indonesia is considered to have the opportunity to exploit this potential. This research tries to review how the development of PV system in Bali through literature study and field observation. The results of this study indicate that the development of total PV system installed capacity in Bali to date has reached 3.71 MWp or 3.44% of the RUEN target. Based on data managed by the development of PV system in Bali in the last 14 years it increased an average of 265.18 kWp or 7.14% annually. Until now the highest PV system capacity in Bali is in Karangasem Regency which has an installed PV system capacity of 1,106 kWp or 29.79% of the total capacity in Bali. While the lowest capacity is in Jembrana Regency with an installed capacity of 10 kWp or 0.27%. PVsystem in Bali is used in a variety of applications, the largest capacity used for utilities is 58.64%, while the lowest is used for water pumps by 0.55%. Based on the type of PV system, Bali is dominated by an on-grid PV system with an installed capacity of 3,225 kWp or 87%, while the lowest is a hybrid PV system with a capacity of 224 kWp or 6% of the total capacity in Bali.

Analisis Performansi dan Ekonomi PLTS Atap 10 kWp pada Bangunan Rumah Tangga di Desa Batuan Gianyar Govinda Riawan; I Nyoman Satya Kumara; W. G. Ariastina
Jurnal Teknologi Elektro Vol 21 No 1 (2022): (Januari - Juni) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2022.v21i01.P09

The Efforts to accelerate the development of renewable energy power plants continue to be driven by the central government as stipulated in the National Energy General Plan. One of the plants developed is the Solar Power Plant. Currently about Solar Power Plant in Indonesia is built to reach 152.44 MW from the target set at 6.5 GW. The central government through the Minister of Energy of Resources and Minerals issued policy No. 49 of 2018 on the use of rooftop power plants. Gianyar is one of the areas that have good solar irradiation with an average of 4.99 kWh/m2/day, where it is very potential to build a rooftop PV. This research aims to find out the study of electrical energy and ecomonic generated from Solar Power Plant 10 kWp in Batuan village. Furthermore, surveyed the field to collect data to simulate the performance, comparison, and investment feasibility of the construction of the Solar Power Plant. Data collection of real production and real consumption is carried out for 12 months. Simulations use PVsyst programs and investment feasibility using several methods, such as Net Present Value.(NPV), Internal Rate of Return (IRR), Benefit Cost Ratio (BCR), Profitability Index (PI), and Payback Period (PP). The total potential Solar Power Plant in of Batuan Village household is 9.3 kWp from the entire roof of the installation of 78.11 m2. The construction of Solar Power Plant in households in Batuan Village with a capacity of 10 kWp has a potential of 6336.3 kWh in a year with a performance of 30.9%, while in real production this Solar Power Plant is able to produce a total of 8,502 kWh in a year. In economic analysis, the feasibility level of plts development investment was declared unfit, with an NPV value of Rp. - 321,004,050 at a discount rate of 10%, the value of IRR - 90.4%, BCR worth 0.78, PI at 0.32, and PP which reached 78 years.

Co-Authors A I Weking A. A. Ngurah Bagus Budi Nathawibawa A. A. T. B. Artawan A. Ibi Weking A.A Ngurah Amrita A.A. Gede Ari Pawitra Putra A.I. Weking AA. M Pemayun Abdul Latif Abid Surya Bimantara Agus Selamet Duniaji Awgustus Patandean Bawa Adiputra C. G. I. Partha, C. G. I. C. G. Indra Partha D.Y. Manurung Derren, M. Dewa ayu Nancy Cahyani Dharmawan, N. B. Dony Septa Primadita DPD Suparyawan Gede Endrawadi Gede Ogiana Gede Sukadarmika Govinda Riawan Haekal, Muhammad Hasan Dedy Sudono I Dewa Gede Wisnu Agung Bayuna I G.N. Evan Aditya Pramana I Gede Adnyana I Gede Budhi Arsana I GN Dion Adiputra I Gusti Ngurah Priambadi I Kadek Hendy Wijaya I Kadek Krisna Yoga I Ketut Citra Adi Putra I M Suartika I M.T. Sismantara I N Satya Kumara I Nyoman Budiastra I Nyoman Oksa Winanta I Nyoman Setiawan I Nyoman Suprapta Winaya I P. A. Edi Pramana I Putu Arsikaputra I Putu Eka April Yanto I W A Wijaya I W A WINARTA I W Rinas I W.Y.M. Wiguna I Wayan Arta Saputra I Wayan Arta Wijaya I Wayan Sukerayasa I. N. S. Kumara I. W. Sukerayasa, I. W. I.B.G. Manuaba I.G.W. Artana I.N.S. Kumara I.P.H. Wahyudi I.W. Yudi Martha Wiguna Ida Ayu Dwi Giriantari Ida Bagus A. Swamardika Ida Bagus Bawa Adiputra Indra Baskara INS Kumara INS Kumara Intan Aprilia Medina IW Gunarta J. Pangaribuan Julius Mahendra Sihombing Juniastra Gina K A Kartika Sari Kadek Ary Budi Permana Kadek Hari Merta Kadek Sumariana Kenny Angel Manik Ketut Vidhia Kumara Komang Oka Saputra Kumara, I. N. S. l Gusti Ngurah Janardana Leba, G. I. M. M.K. Huda Made Sudarma mahadi putra Michael Candra Santoso Muhammad Fauzi Muhammad Hari Wijaya Muhammad Malik Al Falah N. A. Kartono N. B. Dharmawan N. Nuswantara N.W. Budiantari Ngakan Putu Satriya Utama Ngakan Putu Satrya Utama Ni Made Ary Esta Dewi Wirastuti Ni Made Ary Esta Dewi Wirastuti NM Karmiathi Norberto Soares Nyoman Gede Yudiarta Ontoseno Penangsang Pande K. B. Sutawan Putu Martha Risnadinata R.S. Hartati Rukmi Sari Hartati Sari, N. P. A. R. Sembiring, Rinawati Setiawan, I N. Setiawan, I. N. Sinaga, P. M. Solly Aryza Suriana, I Wayan Surung Rafael Sihaloho Virgunia, D. A. Yohana Fransisca Sarumpaet

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Journal : Majalah Ilmiah Teknologi Elektro