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ANALISIS KEANDALAN PADA PENYULANG ARJUNA DENGAN TERPASANGNYA RECLOSER DOUBLE SIX MENGGUNAKAN METODE SECTION TECHNIQUE I Ketut Adi Wicaksana; I Wayan Rinas; I Wayan Arta Wijaya
Jurnal SPEKTRUM Vol 5 No 1 (2018): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (281.518 KB) | DOI: 10.24843/SPEKTRUM.2018.v05.i01.p08

Abstract

Penyulang Arjuna is a medium voltage Network in supply from GI Pemecutan Kelod power with a capacity of 60 MVA, and channel length 10,202 km. Before mounted Recloser Double Six, the Reliability Index Penyulang Arjuna 0,4001 SAIFI value times/ customer/year, and the value of SAIDI 3,9355 hours/customers/year. Penyulang Arjuna never had 10 times the trip in the year 2015, thus affecting the level of reliability. To tackle these problems, in doing the installation of Recloser Double Six. Reliability analysis using the method of Section Technique. The results of the analysis after the installation of the Recloser Double Six is the value of SAIFI 0,2240 times/customer/year, and the value of SAIDI 2,0714 hours/ customers/year. With the declining value of SAIFI and SAIDI after mounting the Recloser Double Six, increased reliability and meet the standards of reliability index SAIFI of 3,2 times/year and SAIDI, amounting to 21 hours/year corresponding SPLN No. 68-2 years 1986.
ANALISIS PENGGUNAAN POWER SYSTEM STABILIZER (PSS) DALAM PERBAIKAN STABILITAS TRANSIEN GENERATOR SINKRON Indra Adi Permana; I Nengah Suweden; Wayan Arta Wijaya
Jurnal SPEKTRUM Vol 2 No 1 (2015): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (455.61 KB)

Abstract

Analisis penggunaan power system stabilizer (PSS) pada sistem single machine infinite bus (SMIB) telah dilakukan dalam kondisi sistem mengalami gangguan pada input step mekanik sebesar 0,05 p.u. Penelitian dilakukan dengan mensimulasikan PSS pada dua pemodelan yang berbeda berdasarkan sistem kontrol lead-lag dan kontrol PID. Kemudian dibandingkan pemodelan sistem yang menggunakan PSS dengan yang tidak menggunakan PSS dari performa sudut rotor dan frekuensinya. Hasil yang didapat setelah menjalankan simulasi menunjukkan bahwa perbaikan yang dilakukan oleh lead-lag PSS dalam meredam overshoot dan settling time pada respon sudut rotor dari nilai 0,18 p.u menjadi 0,125 p.u dan mencapai kondisi stabil pada waktu 5,1 detik. Pada respon frekuensi dari nilai 0,0014 p.u menjadi 0,00082 p.u dan mencapai kondisi stabil pada waktu 2,2 detik. Perbaikan yang dilakukan oleh PID power system stabilizer (PIDPSS) dalam meredam overshoot dan settling time pada respon sudut rotor dari nilai 0,18 p.u menjadi 0,105 p.u dan mencapai kondisi stabil pada waktu 4,6 detik. Sedangkan pada respon frekuensi dari nilai 0,0014 p.u menjadi 0,00079 p.u dan mencapai kondisi stabil pada waktu 1,6 detik.
ANALISIS PENGATURAN PUTARAN MOTOR INDUKSI 3 FASA DENGAN MENGATUR FREKUENSI MENGGUNAKAN VARIABLE SPEED DRIVE DI PT PDAM TIRTA MANGUTAMA KABUPATEN BADUNG I Putu Adhe Putra Novantara; I Wayan Arta Wijaya; I Made Suartika
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 (357.692 KB) | DOI: 10.24843/SPEKTRUM.2021.v08.i04.p12

Abstract

Along with the increase in technology and knowledge, this increase in the field ofelectric power systems makes the electric power system very developed. Electric motors havevery important benefits in industry. In the operation of the electric machine, it is declared goodwhen viewed from the performance of the motor. The purpose of this research is to find outwhat is the influence of the rotation of a 3-phase induction motor when setting the frequency onthe speed and torque of VSD, as well as the effect of frequency on the amount of torque. Themethod used in this study is to take the rotational speed data measured by VSD and thencompare it with the results of the analysis of the speed and torque calculations. The results ofthe study based on the frequency setting on the VSD Display at PT.PDAM Tirta MangutamaBelusung Area. The results of the VSD settings obtained frequency values of 30 Hz, 35 Hz, 40Hz and 45 Hz. Calculations using the equation of motor rotation speed to frequency, thetheoretical value is compared to 900rpm and from the results of calculations using VSD is nodifference, which is 900rpm. So from these data it can be seen that the data practically showsresults that are in accordance with the theory so that it can be concluded that the performanceof the induction motor is in good condition.
PENGARUH TEKANAN AIR DAN SUDUT NOZZLE TERHADAP KARAKTERISTIK OUTPUT PADA PROTOTYPE PLTMH DENGAN TURBIN PELTON I Made Ardika Tommy Saputra; Lie Jasa; I Wayan Arta Wijaya
Jurnal SPEKTRUM Vol 7 No 4 (2020): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (607.775 KB) | DOI: 10.24843/SPEKTRUM.2020.v07.i04.p3

Abstract

Pelton turbine is an impulse turbine that is different from other turbines where the peltonturbine utilizes a large high water fall (head), even with a small water discharge. The problemwith Pelton turbine is that the head is still difficult to control because this type of turbine uses ahigh head to rotate the turbine runner and there is no formula / equation to determine the angleof the nozzle which produces maximum output. Based on the problems described, it isnecessary to make a micro hidro power plant prototype using a pelton turbine with a laboratoryscale so that it can do the testing of the influence of water and the nozzle angle to obtainmaximum output results on a micro hidro power plant using a pelton turbine. The prototypetesting in this study used various water pressures, namely 5 psi, 9 psi, 13 psi, 17 psi, 21 psi,and 25 psi with nozzle angles, namely 60º, 75º, and 90º. Based on the results of the study, anincrease in the value of water pressure provided with an optimal nozzle angle will cause themicro hidro power plant performance to increase. The maximum output obtained is when thewater pressure is 25 psi with a nozzle angle of 90º which produces a turbine rotation of 917 rpmbefore the generator is coupled and 326 rpm after the generator is coupled, the generatorrotation is 1321 rpm, the generator voltage is 12.9 Volts, generator power is 30.96 Watt, torque is 0.98 Nm, and the highest efficiency occurs when the water pressure is 21 psi with a nozzleangle of 90º which is 3.91%.
ANALISIS UJI THRUST MOTOR EDF DAN PENENTU SISTEM LEPAS LANDAS DI WAHANA ROKET BERBASIS ATMEGA 328 Dewa Gede Wahyu Adi Prayoga; Ida Bagus Alit Swamardika; I Wayan Arta Wijaya
Jurnal SPEKTRUM Vol 8 No 3 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (540.308 KB) | DOI: 10.24843/SPEKTRUM.2021.v08.i03.p18

Abstract

Analysis of the EDF (Electric Ducted Fan) thrust motor test and the determination of the takeoff system on the ATmega 328-based rocket vehicle is a prototype design of a thrust test tool that is used to measure the thrust output of a 70 mm EDF motor used as a vehicle propulsion engine. EDF rockets as well as a prototype rocket takeoff system that serves as a takeoff indicator using the data from the EDF thrust motor test as a reference for rocket liftoff. The data measured in the EDF motor thrust test are, among others, thrust data detected using a load cell sensor, RPM data (EDF motor rotation) detected using an infrared proximity sensor, PWM (Pulse Wide Modulation) output data from the mapping input potentiometer. and a 16x2 LCD module with I2C used to display test data. The thrust test data used on the prototype of the rocket takeoff system are RPM and PWM data with indicators ready to take off using green LEDs. The prototype of the take-off system of the rocket vehicle is based on the ratio between the thrust of the EDF motor and the rocket's weight (thrust to weight ratio) of ?1. The results of the research when testing the thrust on the EDF motor with a 6 blades propeller obtained maximum RPM and thrust data of 73619 RPM and 695.3 g, for testing on the EDF motor with a 12 blades propeller obtained the maximum RPM and thrust data of 65861 RPM and 696.2 g RPM, where all these data is obtained when 100% PWM output from Arduino to ESC (Electric Speed Controller). Thrust to weight ratio produced on each EDF motor with 6 blades and 12 blades propellers is 1,202 and 1,189. Takeoff system uses PWM input reference to brushless motor ESC at 100% ratio
Analisa Total Harmonic Distortion dan Losses Setelah Beroperasinya Distributed Generation di Program Studi Teknik Elektro Universitas Udayana Gregorius Reza Dwi Nugroho; I Wayan Rinas; I Wayan Arta Wijaya
Jurnal SPEKTRUM Vol 6 No 1 (2019): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (375.847 KB) | DOI: 10.24843/SPEKTRUM.2019.v06.i01.p18

Abstract

In the Electrical Engineering Study Program, Udayana University, a Solar Power Plant was installed with a power of 26.4 kWp, a Wind Power Plant with a power of 5 kWp and a Diesel Power Plant with a capacity of 20 kVA. The size of harmonics in the electric power system is called Total Harmonic Distortion (THD). THDi's research results at DH Electrical Engineering Building of Udayana University before the operation of Distributed Generation (DG) were that R phase was 9.91%, S phase was 10.86%, and T phase was 9.85%. THDi value after the operation of Distributed Generation, R phase was 16.05%, S phase was 17.53%, and T phase was 15.70%. THDi value with LC filter, R phase was 4.0%, S phase was 5.52% and T phase was 3.97%. THDv value before the operation of Distributed Generation, R phase was 0.08%, S phase was 0.48% and T phase was 0.47%. THDv value after the operation of Distributed Generation, R phase was 0.24%, S phase was 0.44% and T phase was 0.49%. THDv value with LC filter, R phase was 0.01%, S phase was 0.01% and T phase was 0.02%. The results of the research showed that losses before the operation of Distributed Generation were 115.53 Watts and the value of losses after the operation of Distributed Generation had increased to 130.07 Watts.
STUDI KERJA PROTEKSI RELAI OCR DAN GFR PADA PENYULANG ULUWATU SETELAH REKONFIGURASI Galih Budi Santosa; I Gede Dyana Arjana; I Wayan Arta Wijaya
Jurnal SPEKTRUM Vol 8 No 3 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (514.124 KB) | DOI: 10.24843/SPEKTRUM.2021.v08.i03.p14

Abstract

PT. PLN (Persero) South Bali Area built the Pecatu GIS to level the load, improve serviceand reliability of the electricity distribution system. The transfer of electrical loads to the PecatuGIS changes the configuration of the Pecatu feeder to the Uluwatu feeder and the Labuan Saitfeeder. Changes in load current and network impedance have an impact on short-circuit faultcurrents. The calculation of short-circuit fault current becomes the basis for determining theworking time of the OCR and GFR relays between the recloser and the feeder base PMT. Therelay working time based of the PLN regulation setting protection at 0,1 seconds to eliminatefault currents and IEC 60255 standard take 0,3 seconds to eliminate fault currents. The resultsof the study showed that the time value of PLN's regulation Tms was 0,076 SI and 0,033 SI.The results of the calculation of (Tms) standard IEC 60255 obtained time (Tms) 0,23 SI and0,09 SI. The simulation results of the PLN regulation relay settings and IEC 60255 work wellwith a grading time value of 0,2 – 0,4 seconds.
Rekonfigurasi Saluran Distribusi 20kV Pada Penyulang Menjangan Untuk Mengatasi Jatuh Tegangan I Made Alim Subawa; Anak Agung Gede Maharta Pemayun; I Wayan Arta Wijaya
Jurnal SPEKTRUM Vol 6 No 3 (2019): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (186.358 KB) | DOI: 10.24843/SPEKTRUM.2019.v06.i03.p14

Abstract

Jatuh Tegangan adalah permasalahan yang paling sering terjadi pada saluran distribusi 20kV. Faktor yang mempengaruhi Jatuh Tegangan adalah panjang dan beban dari saluran distribusi 20kV. Penyulang Menjangan merupakan Saluran Distribusi 20kV yang mempunyai nilai Jatuh Tegangan paling besar di wilayah kerja PT.PLN (Persero) Area Bali Utara. Penyulang Menjangan memiliki beban sebesar 3400kVA dengan panjang saluran utama adalah 40,3 km. Penyulang Menjangan memiliki nilai tegangan 17,3kV atau mengalami Jatuh Tegangan sebesar 10,6 %. Rekonfigurasi merupakan salah satu cara untuk mengatasi Jatuh Tegangan pada Penyulang Menjangan. Dalam penelitian ini, Penyulang Menjangan di bagi menjadi 2 yaitu Penyulang Menjangan 1 yang disuplai dari Trafo 1 GI Gilimanuk dan Penyulang Menjangan 2 yang disuplai dari Trafo 2 GI Gilimanuk. Setelah dilakukan simulasi Rekonfigurasi pada Penyulang Menjangan di dapat nilai tegangan pada Penyulang Menjangan 1 adalah 19.8kV dan nilai tegangan Penyulang Menjangan 2 adalah 19,6kV.
PEMANFAATAN PENCAMPURAN GYPSUM DENGAN KALSIUM OKSIDA SEBAGAI ZAT ADITIF PADA SISTEM PEMBUMIAN Ni Wayan Dian Puspita Sukma Dewi; I Gusti Ngurah Janardana; Wayan Arta Wijaya
Jurnal SPEKTRUM Vol 8 No 3 (2021): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (306.636 KB) | DOI: 10.24843/SPEKTRUM.2021.v08.i03.p5

Abstract

One of the most influential factors on the grounding system is the type of soil. Each soilhas a different resistivity. So, it is necessary to add media in the form of additives, one of whichis a mixture of gypsum (CaSO4`.2H2O) and Calcium Oxide (CaO). The purpose of this researchwas to obtain the percentage of the mixture and the effectiveness between gypsum(CaSO4.2H2O) and calcium oxide (CaO) to obtain the maximum quantity of water and to decidethe impact of a mixture of gypsum (CaSO4.2H2O) with calcium oxide (CaO) as a medium foradditives. to reduce the resistivity of the soil. The method used in this study is an experimentalresearch method. The results of this study showed that the mixture of gypsum and calciumoxide that was effectively used was a mixture with a ratio of 3 kg of gypsum and 1 kg of calciumoxide and the percentage decreased resistance value was 37.93%
Rancang Bangun Sistem Monitoring Output dan Pencatatan Data pada Panel Surya Berbasis Mikrokontroler Arduino Pande Putu Teguh Winata; I Wayan Arta Wijaya; I Made Suartika
Jurnal SPEKTRUM Vol 3 No 1 (2016): Jurnal SPEKTRUM
Publisher : Program Studi Teknik Elektro UNUD

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (324.981 KB)

Abstract

Sistem monitoring output dan pencatatan data pada panel surya adalah suatu alat yang digunakan untuk memonitoring dan mencatat output dari panel surya. Biasanya dalam memonitoring panel surya dilakuakan dengan alat ukur manual dan mencatat hasil pengukuran secara manual yang tentunya memerlukan tenaga manusia yang lebih banyak. Maka alat ini dibuat untuk dapat memonitoring dan mencatat output dari panel surya secara otomatis. Metode dalam perancangan ini dibagi menjadi dua yaitu perancangan perangkat keras (hardware) dan perancangan perangkat lunak (software). Alat ini menggunakan mikrokontroler Arduino Uno sebagai pengontrol utama dan SD Card berkapasitas 8 GB sebagai media penyimpanan nilai arus, tegangan dan daya Output dari panel surya. Dimana dengan SD Card tersebut dapat menyimpan data output panel surya kurang lebih hingga 3860 Tahun.
Co-Authors A A Gd Maharta Pemayun Agus Teja Ariawan Agus Trisna Saputra Anak Agung Gede Maharta Pemayun Anandita Praja Dwitama Antonius Ibi Weking Bagus Kurniawan Christ Ave Duga Purba Cokordei Gedei Indra Partha Devin Gede Herawan Dewa Gede Dede Pramana Dewa Gede Wahyu Adi Prayoga Galih Budi Santosa Ganggas B Maulana Idham Gede Andre Agusta Putra Gregorius Reza Dwi Nugroho I B Kd Surya Negara I Dewa Gede Bayu Satya Nugraha I Gede Agus Handi Saputra I Gede Anom Aditya Prawira I Gede Aries Gunawan I Gede Dyana Arjana I Gede Dyotha Yogadipha Bagas I Gede Gerry Julius Perdana I Gede Krisnayoga Kusuma I Gede Nadi Arta I Gede Ngurah Arya Raditya I Gede Putu Aditya Kresna Artha K I Gst Agung Putu Raka Agung I Gusti Bagus Wiradhi Yogathama I Gusti Made Bagus Kurniawan I Gusti Made Widiarsana I Gusti Ngurah Agung Mahardika I Gusti Ngurah Saputra I Kadek Agus Arta Yasa I Kadek Arya Wiguna I Kadek Dwi Artika Putra I Kadek Purniawan Paramadita I Ketut Adi Wicaksana I Ketut Wijaya I Komang Gede Darma Yasa I Komang Suarjana I Made Adi Purwa Adnyana I Made Alim Subawa I Made Ardika Tommy Saputra I Made Arsa Suyadnya I Made Darmayusa I Made Dwi Mertadiyasa I Made Eko Adi Setiawan I Made Mudiarta I Made Suartika I Made Suwartama Wijaya I Nengah Suweden I Nyoman Adi Guna Subawa I Nyoman Apriana Arta Putra I Nyoman Budiastra I Nyoman Budiastra I Nyoman Duarsana I Nyoman Setiawan I Nyoman Sudiatmika I Nyoman Upanayana I Putu Adhe Putra Novantara I Putu Andrean Wiranata I Putu Bayu Suka Yasa I Putu Elba Duta Nugraha I Putu Gede Surya Angga Pranata I Putu Jerry Akira Dinata I Putu Nanda Nugraha Utama I Putu Nova Suciawan I Putu Sudiarta I Putu Wahyu Indra Wedanta I Putu Yasa Darmadi I W. A. Premei Artha I Wayan Eka Prastia I Wayan Rinas I Wayan Sukerayasa I. P. Krisna Darma Putra I.M. Benny P.W. I.W. Parmadi Putra Ida Ayu Dwi Giriantari Ida Bagus A. Swamardika Ida Bagus Dwiki Dharma Putra Ida Bagus Gede Wira Negara Ida Bagus Made Pandwa Putra IGP Agung Satya Wicaksana Indra Adi Permana Kadek Dwiky Sadha Widiarta Kadek Mirah Mahadewi Kadek Wahyudi Widiatmika Kadek Widipratama Khana Eland N.A Kharis Biantoro Krisda Bimas Permada l Gusti Ngurah Janardana Lie Jasa Made Ananta Pradnya Made Andi Kusumayana B Ngakan Putu Satriya Utama Ngurah Yowana Asta Prawangsa Ni Wayan Dian Puspita Sukma Dewi Ogik Azis Bukhori Ongky Wahyu Wicaksono Pande Putu Teguh Winata Pratolo Rahardjo Putu Agus Arcana Surya Putu Andi Dinata Putu Angga Juliantara Putu Juliartawan Ravinda Ariestya Pamungkas Riantika, I Gede Rama Sega Awaludin Tjok Gede Indra Partha Wahyu Adi Merta Wayan Gede Ariastina Yanu Prapto Sudarmojo