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All Journal International Journal of Electrical and Computer Engineering Jurnal SPEKTRUM Majalah Ilmiah Teknologi Elektro Techne : Jurnal Ilmiah Elektroteknika Journal of Electrical, Electronics and Informatics
Ida Bagus Gede Manuaba
Department Of Electrical Engineering, Universitas Udayana
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

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KARAKTERISTIK KINERJA TURBIN NEST-LIE PADA PROTOTIPE PEMBANGKIT LISTRIK TENAGA MIKRO HIDRO I Nyoman Wira Mastika; Lie Jasa; Ida Bagus Gede Manuaba
Jurnal SPEKTRUM Vol 7 No 2 (2020): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (386.422 KB) | DOI: 10.24843/SPEKTRUM.2020.v07.i02.p2

Abstract

Water energy is energy that comes from water flow which is used to produce electricalenergy by using a flow of water that flows to turn a turbine, then the turbine is connected to agenerator. Micro-hydro power plants are usually built in areas that have the potential for generatingelectricity in a small capacity. The choice of location of a micro hydro power plant is largelydetermined by the potential for water fall or often called a waterfall. Parameters that can be changedto improve turbine efficiency are the shape of the turbine blade, turbine blade volume, nozzle angle,and nozzle position. The method used is the method of observation by observing and testing directlyand the method of literature by studying the literature - literature from several references.Performance characteristics of nest-lie turbines produce higher torque values than triangular turbineblades. Nest-lie turbine produces a torque value of 0.0076 Nm at position 450 nozzle and nozzle angle100. This shows that the nest-lie turbine has characteristics that are better than a triangular turbineblade.
OPTIMISASI ECONOMIC DISPATCH PADA SISTEM KELISTRIKAN 150 kV BALI MENGGUNAKAN IMPERIALIST COMPETITIVE ALGORITHM I G.N. Ayrthon Senapati; Ida Bagus Gede Manuaba; Rukmi Sari Hartati
Jurnal SPEKTRUM Vol 7 No 3 (2020): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (551.36 KB) | DOI: 10.24843/SPEKTRUM.2020.v07.i03.p8

Abstract

The purpose of the Economic Dispatch is to determine the distribution of each unit inproviding the requested load, so that the load demand can be met at the lowest possible cost takinginto account the limitations of the generator and available system. Commonly the researcher usesome methods to solve economic dispatch, such as Lagrange, Genetic Algorithm (GA), and othersoptimization methods. Latest Artificial Intelligent technology had invented the solution to solve theoptimization problem especially for economic dispatch, its named Imperialist Competitive Algorithm(ICA) which in this project, ICA become the solution to solve economic dispatch problem in Bali 150kV interconnection system. The simulation result the compared by the result using Lambda Iterationand Particle Swarm Optimization (PSO) method. Simulation result show that the ICA method is ableto provide a better solution in Bali 150 kV interconnection system. The difference in generation costsbetween the Imperialist Competitive Algorithm (ICA) method and the Particle Swarm Optimization(PSO) method is 1685.19 $/h or savings are made at 0.24%. While the difference in generation costsbetween the Imperialist Competitive Algorithm (ICA) method with the Lambda Iteration method is7116.45 $/h or savings are made at 1.03%.
AUDIT ENERGI LISTRIK PADA GEDUNG PLASA TELKOM TEUKU UMAR DENPASAR Ayu Rahmawati; I Made Suartika; Ida Bagus Gede Manuaba
Jurnal SPEKTRUM Vol 8 No 4 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (321.902 KB) | DOI: 10.24843/SPEKTRUM.2021.v08.i04.p18

Abstract

The increasing need for electrical energy every year results in the availability of energysources is dwindling. Therefore, the need for energy conservation to streamline the use ofelectrical energy without reducing its comfort or productivity. The main factor of energyconservation is energy auditing. Plasa Telkom Teuku Umar is a company engaged intelecommunications. The convenience of employees and customers takes precedence overthis0company.0The best service0must also be followed by the efficient use of facilities. For thisreason, an electrical energy audit is needed. In this study, it was attached0to theair0conditioning0system and lighting system. It is attached to the air conditioning system andlighting system. Tools0that can be0used for measurement in the field are Lux Meter, (lightintensity measurement), Tang Ampere (electric current measurement), and Thermometer (roomtemperature measurement). The study was conducted by0calculating and comparing0electricalenergy consumption in lighting and air conditioning systems between before and after anenergy audit. Calculate the pre- and post-audit IKE (Energy Consumption Intensity) andcompare it to the IKE standard. The results of the study found energy savings of 36.06%. Fromelectricity usage of 16.86 kWh/m2/bln pre audit to 10.78 kWh/m2/mo post audit.
PENALAAN POWER SYSTEM STABILIZER PLTDG PESANGGARAN BERBASIS LOSSES CONCEPT Abdurrahman Sayudi; Rukmi Sari Hartati; Ida Bagus Gede Manuaba
Jurnal SPEKTRUM Vol 8 No 1 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (344.506 KB) | DOI: 10.24843/SPEKTRUM.2021.v08.i01.p5

Abstract

Pusat Listrik Tenaga Diesel Gas (PLTDG) Pesanggaran menjadi salah satu pembangkit yang ada di Bali yangmempunyai posisi penting dalam sistem 150 kV Bali, kinerja kestabilan dari PLTDG Pesanggaran saat terjadigangguan merupakan hal krusial yang perlu diperhatikan. Pendekatan model SMIB untuk analisa kestabilanpada PLTDG Pesanggaran digunakan untuk memudahkan analisa, dengan cara mereduksi sistem multimesinmenjadi SMIB dengan Losses Concept. Dari hasil simulasi model tersebut diperoleh hasil bahwa nilai overshootdan settling time dari tanggapan perubahan sudut rotor dan tanggapan frekuensi pada model SMIB PLTDGPesanggaran.
ANALISIS STABILITAS MULTI MACHINE PADA ISLAND MODE SISTEM KELISTRIKAN BALI I Gede Bayu Suarsa; Ida Bagus Gede Manuaba; Rukmi Sari Hartati
Jurnal SPEKTRUM Vol 7 No 2 (2020): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (460.435 KB) | DOI: 10.24843/SPEKTRUM.2020.v07.i02.p14

Abstract

Modern electrical systems are characterized by extensive interconnection systemswith the need for electrical energy and control depending on the control system. Oneelectricity system that has been widely interconnected is the Bali electricity system. The Balisystem using island mode has four generating units that can supply electrical energy needsincluding UP Pesanggaran, UP Celukan Bawang, UP Gilimanuk and UP Pemaron. But itmust be remembered in supplying electrical energy needs are also affected by the constantchange in load, resulting in instability in the electrical system. So the need for a controlsystem that can increase the value of damper such as the Power System Stabilizer (PSS). PSScan be used to reduce frequency oscillations when interference occurs, but for PSS design itgives less good performance in different operating conditions. Problems with PSS occur dueto errors in modeling, input value input, and topology variations. Efforts are made to reduceerrors in PSS by using methods that are expected to overcome this problem, namely the fuzzylogic controller.The results of the analysis show that the system performance index usingfuzzy logic is 78.6064. Fuzzy logic has the ability to damp better and reduce errors better.
Rancang Bangun Praktikum Instrumentasi Industri Menggunakan Augmented Reality Indra Sukadiana Putra; Ida Bagus Gede Manuaba; Linawati .
Jurnal Teknologi Elektro Vol 20 No 1 (2021): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2021.v20i01.P03

Abstract

Augmented Reality technology applied in the world of education can make the learning process more effective and more efficient. This study built an augmented reality application by applying the marker based tracking method which was then applied to the industrial instrumentation practicum course at the Faculty of Agricultural Technology, Udayana University. This aims to make practicum more effective and efficient. The resulting application is then tested using 2 tests, namely usability testing using the Usability method with a Likert scale and comparison testing using the Paired Sample T-test method. Usability testing aims to determine an assessment of the usability level of the application. In this test, we get a reusability value of 73.5 from a scale of 0-100. These results can be interpreted that this application has a good usability value. Comparative testing using the Paired Sample T-test method aims to obtain information on the extent of the comparison of the understanding of each respondent before and after the application of augmented reality in industrial instrumentation courses. In this test, the Sig. (2-tailed) of 0,000 which is still below the threshold of the Paired Sample T-test, which is 0.05. So this research concludes that there is a real difference between the results before and after the respondents used the application. This study concludes that the functionality of using this application can be considered to replace the visit of industrial instrumentation practicum courses so that the implementation of practicum becomes more effective and efficient.
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 : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (441.753 KB) | 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.
Rancang Bangun Aplikasi Mobile QR Code Untuk Validasi Pajak Reklame Ngurah Narendra Dananjaya; Ida Bagus Gede Manuaba; linawati linawati
Jurnal Teknologi Elektro Vol 20 No 1 (2021): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2021.v20i01.P15

Abstract

Intisari— Reklame merupakan sesuatu media ataupun perlengkapan buat mengantarkan data,menawarkan mempromosikan,dan menghadirkan sesuatu produk ataupun jasa dengan memakai foto serta kata-kata yang menarik. Peneriman pajak reklame di Kota Denpasar tiap tahunya mengalami penurunan padahal tahun-tahun sebelumnya pajak reklame menyumbang pendapatan terbesar di Kota Denpasar, banyak yang tidak taat dalam pembayaran pajak reklame dibutuhkan sebuah terobosan untuk meningkatkan kembali pendapatan pajak reklame, dimana banyak dari penguna pajak yang belum membayarkan kewajibanya, badan pendapatan Kota Denpasar mempunyai tugas dalam pengawasan pajak reklame di Kota Denpasar maka tercipta rancang bangun aplikasi mobile QR Code untuk validasi pajak reklame untuk mengawasi pajak reklame dikota denpasar, nya dirancang dapat memudahkan petugas badan pendapatan kota Denpasar dalam memvalidasi pajak reklame yang baru terdaftar karena dimudahkan dengan adanya pemanfaatan QR Code dan sudah terenkripsi mengunakan algoritma Speck jadi keamanannya dijamin dan dalam pemantauannya sudah terintegrasi google maps dan menggunakan metode djikstra dirancang dan dibuat dalam platform android dengan pemanfaatan web service. Kata Kunci— Reklame, Enkripsi, QR Code, Algoritma Djikstra.
Pengaruh PLTB Sidrap Terhadap Sistem Kelistrikan Sulawesi Selatan I Putu Riasa; Rukmi Sari Hartati; Ida Bagus Gede Manuaba; Dewa Ayu Sri Santiari
Jurnal Teknologi Elektro Vol 19 No 1 (2020): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2020.v19i01.P04

Abstract

New and renewable energy has become the green energy trend in the electric power system going forward. The Bayu Power Station (PLTB) is one of the centers of electricity generation with a primary source of energy that is pollution-free and environmentally friendly. Currently in the South Sulawesi system, PLTB has operated with a total power of 70 MW at a base load of around 700 MW. Because PLTB is very dependent on wind conditions, the power generated becomes unstable and this has a significant intermittent effect on the stability of the system. The results of this study indicate that the intermittent composition of nuclear power plants is increasing from the April-July 2018 period. This ever increasing contribution disrupts frequency stability in the South Sulawesi system
AUDIT ENERGI UNTUK PENCAPAIAN PENGHEMATAN PENGGUNAAN ENERGI LISTRIK DI PT. GRAHA SARANA DUTA II DENPASAR Sylvi Oktavia Ginting; Ida Bagus Gede Manuaba; A A Gede Maharta Pemayun
Jurnal SPEKTRUM Vol 9 No 1 (2022): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (370.75 KB) | DOI: 10.24843/SPEKTRUM.2022.v09.i01.p4

Abstract

Energy audit is a technique used to determine the amount of energy use in a buildingand to find various energy-saving solutions or opportunities. In this study, the energy audit wasconducted at PT. Graha Sarana Duta II Denpasar which is located on Jl. Serma Gede No. 13,Dauh Puri Klod, Denpasar. Based on the existing conditions, the level of Energy ConsumptionIntensity (IKE) obtained before the audit was carried out was 245.22 kWh/m2/year or 20.43kWh/m2/month which according to ESDM No. 13/2012, Air-conditioned buildings are in thewasteful category. In this study, the energy audit focuses on the lighting system and airconditioning system. The method used in this research is to calculate and analyze theconsumption of electrical energy in the lighting system and air conditioning system. After doingthe research, it can be seen the energy saving opportunities (PHE) in PT. Graha Sarana Duta IIDenpasar by replacing the TL and SL lamps using LED lamps and requiring room users to turnoff the air conditioner when the room is not in use, the result is savings 11,4% in electricalenergy use, where the IKE after the audit is 18.1 kWh/m2/month. The office can also save thecost of using electrical energy, which is Rp. 3,170,394,- every month.
Co-Authors Abdurrahman Sayudi Anak Agung Gede Maharta Pemayun Asep Andang Ayu Rahmawati Dewa Ayu Sri Santiari Gede Patrianaya Margayasa Wirsuyana Gede Patrianaya Margayasa Wirsuyana I Dewa Nyoman Anom Manuaba I G.N. Ayrthon Senapati I Gede Bayu Suarsa I Gusti Ngurah Gede Agung Suniantara I Made Mataram I Made Suartika I N Satya Kumara I Nyoman Wira Mastika I Putu Riasa I Wayan Eka Krisna Putra Indra Sukadiana Putra Lie Jasa Linawati . Linawati Linawati Made Dika Nugraha Made Sudarma Ngurah Narendra Dananjaya Putu Arya Mertasana Rukmi Sari Hartati Sylvi Oktavia Ginting Tjok Gede Indra Partha