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Simulasi Filter Aktif pada 6 Pulse STATCOM Untuk Mereduksi Total Harmonic Distortion (THD) Di Sistem Transmisi Bali Made Dika Nugraha; Ida Bagus Gede Ida Bagus Gede Manuaba; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 18 No 2 (2019): (Mei-Agustus) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2019.v18i02.P06

Abstract

The emergence of harmonics caused by electrical loads that are not linear. Input of harmonic current can cause sinusoidal. Content that exceeds the limit can cause poor power quality. The level of harmonic distortion or called Total Harmonic Distortion (THD) on the network causes losses and voltage drops, which affects the efficiency of the transmission network system. Harmonic attenuation is the right choice to reduce harmonic current (THDi). Based on the IEEE 519-1992 standard the expected harmonic current must be below 5%. In this study an active filter has been designed to be able to drain the harmonic current contained in the system using the 6 pulse converter on Statcom.
Codec Citra Berbasis Fractal dan Entropy Coding I Made Aditya Virgiawan; I Made Oka Widyantara; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 18 No 3 (2019): (September - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2019.v18i03.P03

Abstract

The process of describing parts of the human body, to be able to find any disease that exists in the body parts caused by bacteria and viruses is called the Medical Image. CT Scanning, MRI, X-Ray, is a medical image that is commonly found in general in the form of analog data. The amount of important information contained in medical images causes the size of the medical image file to be relatively large. The need for large data storage media and long delivery times is caused by large medical image data. This study aims to realize a fractal-based medical image codec by testing its performance on several coding entropy techniques. The analysis of this study was based on the PSNR, Image Size and Time Taken needed to compress one image. The conclusion obtained from this analysis shows that the Arithmetic method has more advantages in the field of PSNR, Compression Ratio, Size Image produced along with Time Taken in the compression process, where 15 images of 100% images are better results using the Arithmetic method than by using the Adaptive Huffman method. Keywords — Adaptive Huffman, Arithmetic, Codec, Fractal, Image, Medical.
Pembangkit Pertanyaan Otomatis pada Materi Pelajaran Ilmu Pengetahuan Alam Berbahasa Indonesia di Tingkat Sekolah Dasar Berdasarkan Revisi Taksonomi Bloom Veronica Ambassador Flores; Lie Jasa; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 20 No 2 (2021): (Juli-Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2021.v20i02.P19

Abstract

Creating questions on an exam is a complex process, because this process requires knowledge and takes a long time to make. The process of creating questions can be done more easily, quickly, and structured with the Automatic Question Generator (AQG) system. This application uses the Text Matching Method to find keywords in a paragraph, where the Expected Answer Type (EAT) method would identify these keywords. The EAT method helped to identify the type of answers in a paragraph therefore the type of questions would be recognized. The types of questions used are 5W + 1H consisting of Who, Where, When, Why, What, How, and How Many.The next method is the Template Based Method which played a role in compiling the question sentence based on the pre-registered template. The questions were produced using the Revised Bloom's Taxonomy concept, where these questions consisted of categories (1) remembering; (2) understand; (3) apply; (4) analyze; (5) evaluate; and (6) create. The trial result in 14 learning materials, showed that the application could generate 826 questions with an average level of accuracy of 89%.
Studi Pemanfaatan Catu Daya Hibrida PLTS 3,7 kWp Dan PLN Pada Instalasi Pengolahan Air Limbah Desa Pemecutan Kaja Denpasar Bali Aries Arimbawa; Satya Kumara; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 15 No 2 (2016): (July - December) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

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Abstract

Abstract—Pemecutan Kaja waste treatment plant (WTP) was a community treatment plant located in one of Denpasar city ward to process sewerage produced by community members. The WTP uses radial flow anaerobic system which mainly consists of rabic pro and up flow tanks. The water produced by the WTP was released to nearby river as it already met envinronmental quality standard. The WTP was driven by an electric pump to circulate sewer material within the process flow. The pump was fed by hybrid power supply combining 3.7 kW solar PV and power from utility grid. The WTP was operated by village council of Pemecutan Kaja. The study presented here was result of firstly, evaluation on the utilization and performance of solar PV plant, and secondly, to propose managerial model that can manage the plant effectively and sustainably. The study found that daily average energy produced bythe PVplant was 23.59 kWh yielding cost of energy at IDR 7,766/kWh. Experiment to clean filters of the plant reduced daily energy consumption from 8.84 kWh to 3.05 kWh or 65%. Household that connected to the plant pay monthly subscription currently at IDR 10,000.  However, for sustainable operation of the plant, the household need to pay IDR 51,654. Keywords: Renewable Energy, Solar PV, Hybrid Power Supply, Waste Treatment, Managerial Model Abstrak—Instalasi Pengolahan Air Limbah (IPAL) Desa Pemecutan Kaja adalah IPAL yang terletak di salah satu lingkungan kota Denpasar yang berfungi untuk mengolah air limbah yang dihasilkan oleh anggota masyarakat. IPAL ini meggunakan sistem radial flow anaerobic yang terdiri tangki rabic pro dan tangki up flow filter. Air hasil pengolahan limbah dapat langsung disalurkan ke sungai karena sudah memenuhi baku mutu limbah cair. IPAL ini menggunakan pompa listrik untuk mengalirkan limbah menuju tangki penyaringan. Pompa ini mengunakan catu daya hibrida PLTS 3,7 kW dan PLN. IPAL ini dikelola langsung oleh masyarakat desa Pemecutan Kaja. Hasil penelitian yang ingin dicapai adalah pertama, evaluasi pemanfaatan dan kinerja PLTS, kedua  merencanakan model pengelolaan agar IPAL dapat berfungsi secara optimal dan berkelanjutan. Hasil penelitian ini menemukan bahwa rata-rata energi listrik yang dihasilkan PLTS yaitu 23,59 kWh/hari dengan harga energi sebesar Rp.7.766,25/kWh. Percobaan untuk membersihkan filter pada IPAL dapat mengurangi konsumsi energi harian dari 8,84 kWh menjadi 3,05 kWh atau 65%. Rumah tangga yang menjadi pengguna IPAL saat ini membayar iuran sebesar Rp 10.000. Namun, untuk operasi yang berkelanjutan dari IPAL, rumah tangga perlu membayar sebesar Rp 51.654. Kata kunci: Energi Terbarukan, PLTS, Pembangkit Listrik Hybrid, Pengolahan Limbah, Model Pengelolaan
PENERAPAN METODE PENDEKATAN TEKNIK UNTUK MENINGKATKAN KEANDALAN SISTEM DISTRIBUSI Rukmi Sari Hartati; I Wayan Sukerayasa
Jurnal Teknologi Elektro Vol 9, No 1 (2010): (January - June) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

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Abstract

Metode pendekatan teknik dipergunakan untuk meningkatkan keandalan sistem distribusi dengan menentukan lokasi recloser yang optimal pada penyulang- penyulang yang akan ditingkatkan keandalannya, sehingga diperoleh nilai indeks keandalan yang lebih baik. Telah dilakukan penelitian dengan menggunakan metode tersebut untuk meningkatkan keandalan pada penyulang Penebel dan Marga untuk memenuhi target PLN ke depan yakni mencapai WCS (World Customer Service) serta WCC (World Class Company) yaitu SAIFI = 3 kali/pelanggan/tahun dan SAIDI = 100 menit/pelangggan/tahun. Dari hasil penelitian pada 2 penyulang tersebut diperoleh nilai indeks keandalan SAIDI dan SAIFI untuk kedua penyulang tersebut sudah mendekati target WCS dan jauh lebih baik dibandingkan dengan kondisi sebelum dipasang recloser. Sehingga dapat disimpulkan bahwa penggunaan metode pendekatan teknik untuk meningkatkan keandalan sistem distribusi cocok untuk diterapkan, terutama pada sistem distribusi di Bali.
Audit Manajemen Sumber Daya dan Pengukuran Performa Sistem Informasi Akademik Universitas Hindu Indonesia Menggunakan Framework Cobit 4.1 Noppi adi Jaya I Kadek; I Made Oka Widyantara; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 18 No 1 (2019): (Januari - April) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2019.v18i01.P05

Abstract

Perkembangan teknologi informasi yang begitu pesat dewasa menjadi salah satu jawaban bagi pemenuhan kebutuhan akan sistem informasi dari segala jenis organisasi. Kemampuan teknologi informasi dalam meningkatkan efisiensi dan efektifitas proses bisnis dalam suatu organisasi menjadikan teknologi informasi dipercaya mampu menjadi alat bantu dalam mempercepat langkah organisasi mencapai tujuan bisnis. Universitas sebagai salah satu organisasi pendidikan tidak lepas dari pemanfaatan teknologi informasi ini. Pengembangan layanan teknologi informasi menjadi begitu penting untuk mendukung dan memberikan pelayanan maksimal pada sektor layanan pendidikan. Wujud nyata dari pengembangan teknologi informasi dalam layanan pendidikan berupa pengembangan sistem informasi akademik. Untuk mengetahui tingkat layanan yang telah berhasil diberikan bagi pengguna melalui implementasi sistem informasi akademik tentu memerlukan evaluasi dalam bentuk tata kelola sistem informasi. Angka COBIT telah menyediakan parameter penilaian yang dapat memberikan ukuran setinggi dan sebaik apa pengeleloaan dan performa teknologi informasi pada suatu lembaga dengan menggunakan maturity model. Metode kualitatif digunakan untuk melakukan pengumpulan, mengolah, menganalisis serta menyimpulkan data guna memperoleh maturity level pada wilayah COBIT 4.1. Jumlah responden yang akan dipakai dalam penelitian ini adalah sebanyak 120 orang responden. Pengolahan data yang diperoleh dari rata-rata atas seluruh proses TI memiliki tingkat kematangan saat ini memberikan hasil yang cukup baik dengan tingkat maturity sebesar 2.95. Dengan tingkat kematangan harapan sebesar 5, berarti terdapat kesenjangan kematangan sehingga perlu diberikan strategi perbaikan yang berisi langkah-langkah untuk mencapai tingkat kematangan yang diharapkan.
PENENTUAN ANGKA KELUAR PERALATAN UNTUK EVALUASI KEANDALAN SISTEM DISTRIBUSI TENAGA LISTRIK Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 6 No 2 (2007): (July - December) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

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Abstract

The quality of electricity supply at consumer’s side is highly affected by its distribution networks. The distribution system reliability can be determined by using a number of reliability indices. The most commonly used indices are SAIFI (Systems Average Interruption Frequency Index) and SAIDI (Systems Average Interruption Duration Index). The calculation of SAIFI and SAIDI requires probability of outage indices for installed power system equipment (λ).Calculation of reliability indices usually follows PLN Standard SPLN 59:1985. Within thestandard, the λ value for distribution line is divided into 2 categories, which are overhead and underground distribution lines. In fact, there are a number of conductor types used for distribution lines that may have different values of λ.This research is focused to a determination of λ values for AAACOC (All Aluminium Alloy Conductor Cable) and MVTIC (Medium Voltage Twisted Insulated Cable). Distribution system failure data is collected from a number of distribution lines in Bali. Data collection was carried out using a TMP (“Tingkat Mutu Pelayanan”/Service Quality Level) Recorder. Data analysis then carried out to calculate the λ values and the reliability indices.The new λ values for AAACOC and MVTIC are found to be 0.187 and 0.089/km/year, respectively. The results indicated that the new value of λ for AAACOC and MVTIC are more realistic and suitable for reliability analysis particularly in Bali Distribution Systems.
Rancang Bangun Simulator Smart Home Berbasis IoT Dengan Sumber Daya PLTS Servinus Servinus; I Nyoman Satya Kumara; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 23 No 1 (2024): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2024.v23i01.P10

Abstract

Electrical energy is one of the basic needs to support daily life. Renewable energy sources are an alternative that can be used as a source of electrical energy, one example is solar energy. This research aims to be able to create a control and monitoring system for electrical equipment loads based on the Internet of Things, to be able to simulate this tool as a test the system as a whole, starting from the power source to the devices to be controlled. The simulation results in the design show monitoring of load (charger smartphones) and then the system can control it by disconnecting the power source by an automatic relay which is connected to the Esp-Wroom32 via a WiFi network so that the system can run according to the user's needs. Keywords - Smart Home; Energy Consumption Intensity; System Monitoring; Smart Control; Esp-Wroom32.
Analisis Kualitas Citra Medis Terkompresi JPEG Derry Suia Pathentantama; I Made Oka Widyantara; Rukmi Sari Hartati
Jurnal Teknologi Elektro Vol 18 No 2 (2019): (Mei-Agustus) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2019.v18i02.P12

Abstract

Basically, image compression technology is a basic step to compress images so that they can be transmitted more quickly and save storage space in storage media. This is a breakthrough that was created in 1920. This research is applied research that focuses on the application of JPEG algorithms based on the value of PSNR. This study uses X-Ray image data as input data, where the image will be searched for the optimal compression ratio of 9 compression ratios (10% -90%). A total of 10 test data were used. From the table results of system testing using test images, it can be seen that the characteristics of PSNR are able to determine the compression ratio of medical images optimally. and the higher the image compression ratio applied to the test image, the higher the quality of the reconstructed image. This can be seen in the PSNR value table, where the PSNR value increases in each compression ratio.
Estimasi Emisi Gas Rumah Kaca(GRK) Terhadap Konsumsi Energi di Provinsi Bali Ida Bagus Bawa Adiputra; Rukmi Sari Hartati; Wayan Gede Ariastina
Jurnal Teknologi Elektro Vol 17 No 3 (2018): (September - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Program Studi Magister Teknik Elektro Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2018.v17i03.P09

Abstract

Electrical energy is one concerning lives of the people, then provision must be able to ensure the availability of a sufficient number, reasonable prices and good quality. Until now, the use of fossil fuels is still quite high as a primary energy source that is utilized in the process of generating electricity. It has an impact on climate change so that Greenhouse Gases (GHG) arise. The composition of energy use at the end of the projection (2030) uses LEAP software Household consists of the sector amounted to 5.865,1 GWh, Industrial sector of 490.380,6 GWh, Public (Commercial) sector of 3.547,5 GWh, and from Transportation sector as big as 7.220.937,8 BoE. The projection of GHG emissions using LEAP software shows that emissions in 2030 for the Household sector amounted to 8.9115 million tCO2eq, the Industrial sector amounted to 1212.3964 million tCO2eq, the Transportation sector amounted to 26.2161 million tCO2eq, and when the generation of electricity was 33,0955 million tCO2eq. So the total GHG emissions generated are 1,280,6196 million tCO2eq, this amount is an accumulated increase from 2015 of 61.4533 million tCO2eq. To suppress the amount of increase of that size, efforts need to be made such as promoting the use of environmentally friendly energy. Reduce the use of private vehicles and switch to public transportation. The government must also support by providing environmentally friendly mass transportation facilities.
Co-Authors A. A. G. M. Pemayun A. Dharma A.A Ngurah Amrita A.A. Made Agung Istri Iswari Abdurrahman Sayudi Adhi Permana Agus Dharma Agus Mahardiananta, I Made Agus Nata Saputra Amien Harist Hardiansyah Anak Agung Istri Sri Wiadnyani Anak Agung Kompiang Oka Sudana Anak Agung Ngurah Mahendra Wijaya Antonius Ibi Weking Antonius Ibi Weking Aries Arimbawa Asep Andang Asri Prameshwari Atmiral Ernes Bayu Widiarsa Kadek Chandra Wimartono Manurung Darma Putra Debbi Irfan Mudhoep Derry Suia Pathentantama Dewa ayu Nancy Cahyani Dewa Ayu Sri Santiari Dewa Made Wiharta Diky Wahyu Kusuma Budi Etis Meilandari Fadil Arialdi Fahmi Ramadhan Fajar Rizky Kurniawan Gede Ardi Herdiana Gede Patrianaya Margayasa Wirsuyana Gede Patrianaya Margayasa Wirsuyana Gede Sukadarmika Gesta Winantara Gusti Putu Budi Arigandi Haekal, Muhammad Hendri Hendri Hendri Noviyanto Pratama I B Gede Manuaba I Dewa Gde Bayu Wiranatha I G.M.W. Meindra Sidemen I G.N. Ayrthon Senapati I Gede Bayu Suarsa I Gede Dyana Arjana I Gusti Agung Made Yoga Mahaputra I Gusti Made Ngurah Desnanjaya I Gusti Ngurah Rai Dharma Widhura I Gusti Ngurah Wira Partha I Gusti Ngurah Yoga Pawitra I Kadek Krisna Angga Pamungkas I Kadek Krisna Yoga I Kadek Noppi Adi Jaya I ketut Gede Darma Putra I Ketut Wijaya I Made Aditya Virgiawan I Made Anom Sutrisna Wijaya I Made Arya Supartana I Made Dhanan Pradipta I Made Gusmara Nusaman I Made Mataram I Made Oka Widyantara I Made Suartika I MADE SUDARMA I Made Sutajaya I N Satya Kumara I Nyoman Adi Putra I Nyoman Gede Arya Astawa I Nyoman Gunantara I Nyoman Setiawan I Nyoman Suprapta Winaya I Nyoman Yudiyana I P Eka Indrawan I Putu Gde Weda Setyawan I Putu Putra Diyastama I Putu Riasa I Putu Sudharma Yoga I Wayan Darma Satika I Wayan Raka Ardana I Wayan Sukerayasa i wayan swi putra I. K. Wijaya I.B.G. Manuaba Ida Ayu Dwi Giriantari Ida Bagus A. Swamardika Ida Bagus Agung Eka Mandala Putra Ida Bagus Alit Swamadika Ida Bagus Bawa Adiputra Ida Bagus Gde Manuaba Ida Bagus Gede Manuaba Ida Bagus Leo Mahadya Suta Ida Bagus Putra Setanu M INS Kumara Jaime Luis da Costa Joannes Mario Graciano Kapu K.Amerta Yasa Kadek Paramarta Dwi Parna Kholid Hidayatullah Komang Agus Putra Kardiyasa Komang Ayu Triana Indah Komang Nova Artawan Komang Oka Saputra l Gusti Ngurah Janardana Lanang Bagus Amertha Lanang Bagus Amertha Lie Jasa Linawati . Linawati L Linawati Linawati Luh Ayu Diah Fernita Sari Luki Ardiantoro Lukito Pramono Made Dika Nugraha Made Dwi Mulyawan Made Henny Aryani Made Sri Indradewi Adnyana Made Sudarma Makmur Fernando Miguel Nazario Mimin F Rohmah Minho Jo Muhammad Hari Wijaya Murpratiwi, Santi Ika Nasrul Faisal Ngakan Putu Satriya Utama Ngakan Putu Satrya Utama Ni Ketut Novia Nilasari Ni Komang Sri Julyantari Ni Luh Ade Mita Rahayu Dewi Ni Made Wartini Ni Wayan Sri Ariyani Nyoman Putra Sastra Ontoseno Penangsang Pande Ketut Sudiarta Poppy Diana Sari Poppy Diana Sari Purwania Ida Bagus Gede Putri Alit Widyastuti Santiary Putu Agus Satriya Guna Adnyana Putu Aryasuta Wicaksana Putu Meyyasa Putu Prima Winangun Radha Kurniawan Rosalind Fawnia Margeritha Salman Al Farisi Sani Renartha Kusuma Servinus Servinus Siti Helmyati Surya Pramana Suryo Aji Wicaksono valentinus gerald gambut Veronica Ambassador Flores Wayan Gede Ariastina Widyadi Setiawan Yoga Dipayana Yoga Divayana Yogha Pramana Yoppy Hartantio