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All Journal International Journal of Applied Power Engineering (IJAPE) JTEV (Jurnal Teknik Elektro dan Vokasional JURNAL NASIONAL TEKNIK ELEKTRO PROtek Syntax Literate : Jurnal Ilmiah Indonesia Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali CITIZEN: Jurnal Ilmiah Mulitidisiplin Indonesia Jurnal Nasional Teknik Elektro dan Teknologi Informasi Jurnal Ilmiah Teknik Elektro

Sudiarto, Budi

Departemen Teknik Elektro, Fakultas Teknik, Universitas Indonesia, Depok, Jawa Barat, Indonesia

Author-ID : 2668034

Religion Humanities Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences

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Articles

Tingkat Disturbansi pada Frekuensi 9-150 kHz pada Sistem UPS Berbeban Lampu CFL Pratama, Rheo Loridho; Sudiarto, Budi
Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali) Vol 5, No 2 (2020): Jurnal Elektroda Vol 5 No 2
Publisher : Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33772/jfe.v5i2.11730

Penggunaan inverter pada perangkat Uninterruptible Power Supply (UPS) membuat UPS menjadi salah satu perangkat yang memicu terjadinya tegangan disturbansi pada frekuensi tinggi. Pada penelitian ini menggunakan UPS berkapasitas 1 KVA yang dihubungkan dengan beban lampu CFL. Perekaman data yang dilakukan saat pengukuran berlangsung menggunakan osiloskop portabel yang terhubung dengan sistem. Data yang tersimpan dari hasil perekaman data kemudian ditransformasikan menggunakan metode FFT dengan bantuan piranti lunak Matlab. Dari penelitian yang telah dilakukan, didapatkan bahwa tingkat tegangan disturbansi yang dihasilkan meningkat seiring dengan meningkatnya beban yang terhubung dengan sistem UPS. Pada beban yang terhubung 50 W tegangan puncak disturbansi yang dihasilkan 57,83 mV, pada tingkat pembebanan 100 W tegangan puncak disturbansi yang dihasilkan meningkat 34,29% menjadi 77,66 mV, lalu pada tingkat pembebanan 150 W tegangan puncak disturbansi yang dihasilkan meningkat 9,75% menjadi 85,23 mV kemudian pada tingkat pembebanan 200 W tegangan puncak disturbansi yang dihasilkan meningkat 5,76% menjadi 90,14 mV dan pada tingkat pembebanan 250 W tegangan puncak disturbansi yang dihasilkan meningkat 5,72% menjadi 95,3 mV.

Disturbance Characteristics of Induction Cooker on a Grid-Connected Photovoltaic System in Frequency Range of 9-150 kHz Husnayain, Faiz; Tamim, Faizal; Sudiarto, Budi
JURNAL NASIONAL TEKNIK ELEKTRO Vol 9, No 2: July 2020
Publisher : Jurusan Teknik Elektro Universitas Andalas

This study aims to investigate the disturbance's characteristics induced by the induction cooker of the On-Grid PV System that is installed in the MRPQ at the Faculty of Engineering Universitas Indonesia (FTUI). In addition, this research is also to find out the behavior of the induction cooker on a frequency range of 9-15kHz. The load was connected to Switching Mode Power Supply (SMPS) that connected to the utility grid. Furthermore, the utilization of inverter that used SMPS technology may generate disturbance mostly at high frequency from 9 kHz to 150 kHz. Disturbance generated by each tool from the equipment in the PV system and household appliances may also affect each other in its operation. However, research and standardization regarding the effect of induction cooker disturbances on the PV system for frequency ranges of 9-150 kHz are still limited. Therefore, this research focuses on observing behavior and the characteristics of a disturbance generated by the induction cooker. There are two induction cookers investigated, brand A and B. The results show that the induction cooker generates disturbance at a frequency of 9-150 kHz, and the increased power used at the load will also increase the disturbance value. Furthermore, brand A has a more significant average incremental gradient compared to brand B induction cookers of 260% or 17.05mV / W for brand A and 6.58mV / W for brand B.Keywords: power quality, disturbance characteristics, induction cooker, on-grid photovoltaic, 9-150 kHz

Feasibility study of the Kerinci 350 MW hydro power plant M. Muaz Afra Yunardi; Budi Sudiarto
International Journal of Applied Power Engineering (IJAPE) Vol 11, No 4: December 2022
Publisher : Institute of Advanced Engineering and Science

The demand for electricity is currently growing rapidly. In accordance with the government's policy to optimize the use of renewable energy sources, including water, by constructing a hydroelectric power plant. The study of the potential utilization of the Batang river flow is aimed at how much of the optimum electric power potential there is in the utilization of the Batang Merangin river flow as a hydropower plant. The results of the calculation of the potential for electric power at the Kerinci PLTA show that the optimum electrical power that can be generated is 366.27 MW and the energy produced annually is 1,443.86 GWh. The cash flow of the Kerinci hydropower project consists of technical estimates, revenues, operating and maintenance costs, inflation, taxes, and depreciation. Benefit-cost ratio analysis is calculated according to probable economic conditions during construction and lifetime. The initial investment cost for the Kerinci hydropower plant is around 12,922,000,000,000. The net present value obtained is 423,372,934,373, the internal rate of return is 10.7%, the return on equity is 16.2 years and the benefit-cost ratio is 1.2. The results show that the Kerinci hydropower plant can be built in terms of both technology and money.

Pengaruh Sistem Peredupan terhadap Efisiensi Energi Penerangan Jalan Umum pada Universitas Indonesia Berdasarkan Metode Lumen Muhammad Arkhan Pradanugraha; Budi Sudiarto
PROtek : Jurnal Ilmiah Teknik Elektro Vol 9, No 1 (2022): PROtek : Jurnal Ilmiah Teknik Elektro
Publisher : Program Studi Teknik Elektro Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/protk.v9i1.4323

LEDs in lighting systems have been widely used, including public street lighting systems. However, the selection of public street lights in Indonesia often does not use lumen calculations and light dimming technology. This study aims to improve energy consumption efficiency by replacing existing lamps with LED lamps according to the lumen calculation method and using a smart system in the form of automatic dimming of the lamps. The research study was carried out in two stages: the measurement of illumination using a lux meter and the analysis of energy consumption between the existing and the replacement. The replacement scenario is to replace the existing lamps with LED lamps equipped with an automatic dimming system based on lumen calculations. The lighting level is adjusted to Indonesian lighting standards, SNI 7391:2008, 2 to 5 lux. The result of the study is that carrying out a replacement scenario can increase energy consumption efficiency by 77.95%.

SIMULASI PERBANDINGAN PERUBAHAN TILT TERHADAP ENERGI ARRAY PADA 34 UNIT PLTS ROOFTOP 100 KWP DI INDONESIA Hero Gunawan; Budi Sudiarto
Citizen : Jurnal Ilmiah Multidisiplin Indonesia Vol. 2 No. 1 (2022): CITIZEN: Jurnal Ilmiah Multidisiplin Indonesia
Publisher : DAS Institute

One of the activities to developing the use of rooftop solar panels in Indonesia in accordance with the mandate of RUEN is the mandatory use of solar cells at a minimum of 30% of the roof area for all government buildings. In this regard, good planning related to engineering is needed, one of which is the orientation and tilt aspects used. In International, to assist countries in achieving sustainable development goals for new and renewable energy, the World Bank Group partnered with Solargis, releasing a web-based application called Global Solar Atlas (GSA) with optimum tilt and energy arrays as research references. From this study, it was found that tilt changes greatly affect the resulting array energy, an average change of 10 from 00-160 can result in changes in addition of up to 578 kWh and reduction of up to 483 kWh. The largest array energy potential value is located in the province of Bali at 16.5872 kWh and the smallest in West Kalimantan at 12.1924 kWh., while compared to the modeling in the GSA application, the largest array energy value is in NTT with a value of 16.5673 kWh and the smallest is in East Kalimantan with rated 12.1843 kWh. The tilt value in Indonesia from 34 simulated locations is at 00-130 and is still in the tilt range in Indonesia according to the GSA application, which is 00-140.

Karakteristik Disturbansi di Rentang Frekuensi 9 kHz – 150 kHz pada Sistem UPS Rheo Loridho Pratama; Budi Sudiarto
Jetri : Jurnal Ilmiah Teknik Elektro Jetri, Volume 17, Nomor 2, Februari 2020
Publisher : Website

The Uninterruptible Power Supply (UPS) contains power electronic components including inverter, the application of inverter will cause voltage disturbances at high frequency because switching frequency from inverter are at high frequency. The data recorded by oscilloscope along with Picolog Recorder software and processed by Matlab software to make it more efficient. Research conducted when the UPS in battery mode with resistive load level variation of electric water heater. From the test results it was found that voltage disturbances occur in three dominant frequency ranges at each resistive load level variation, that is 19-24 kHz, 39-44 kHz and 59-64 kHz. At 0% load condition when the battery is fully charged, the peak voltage disturbances occur at 207,43 mV at frequency of 20 kHz and at 100% load condition when the battery condition has linearly reduced the peak voltage disturbances occur at 46,42 mV at frequency 19,8 kHz. Pada setiap alat Uninterruptible Power Supply (UPS) terdapat komponen elektronika daya termasuk inverter, oleh sebab itu dengan penggunaan inverter akan menimbulkan tegangan disturbansi pada frekuensi tinggi karena frekuensi pensaklaran dari inverter berada pada frekuensi tinggi. Untuk perekaman data menggunakan alat osiloskop beserta software Picolog Recorder dan untuk pengolahan datanya menggunakan software Matlab agar lebih efisien. Penelitian dilakukan saat perangkat UPS menggunakan mode baterai dan dengan tingkat variasi pembebanan beban resistif berupa pemanas air elektrik. Dari hasil pengujian didapatkan bahwa disturbansi tegangan terjadi pada tiga rentang frekuensi dominan pada setiap tingkat variasi pembebanan beban resistif yaitu frekuensi 19-24 kHz, 39-44 kHz dan 59-64 kHz. Pada kondisi pembebanan 0% saat kondisi baterai terisi penuh disturbansi tegangan puncak yang terjadi sebesar 207,43 mV pada frekuensi 20 kHz dan pada kondisi pembebanan 100% saat kondisi baterai sudah berkurang secara linear disturbansi tegangan puncak yang terjadi sebesar 46,42 mV pada frekuensi 19,8 kHz.

Analysis of The Failure Protection System 20 KV CBO T75B Substation Malibu Feeder PT PLN (Persero) UP3 Menteng Mukti, Doni Abdul; Sudiarto, Budi
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : CV. Ridwan Publisher

Protection is a safety in the electric power system installed in the electric power distribution system, power transformer, electric power transmission, and electric generator used to secure the power system electricity from electrical disturbances or overloads by separating the disturbed parts of the electric power system from the undisturbed electrical power system so that the undisturbed electrical system can continue to work. The protection system at the T75B substation has a work failure where when there is a short circuit on the consumer side, it causes the PMT (Power Breaker) for the Malibu Feeder at the Kebon Sirih Substation to trip while the CBO (Circuit Breaker Outgoing) cubicle at the T75B substation does not trip. This resulted in an unexpected widespread blackout. To find out the cause of the failure of the protection system, several tests and analyzes were carried out, namely protection design testing, protection relay coordination testing, protection system construction analysis, protection equipment performance testing. It is hoped that the test results can be used as a reference for improvement so that similar failures do not recur.

Characteristic of Harmonic Distortion in Frequency 9-150 Khz Generated by Household Appliances Yunardi, M. Muaz Afra; Sudiarto, Budi
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : CV. Ridwan Publisher

The use of household appliances equipped with inverter technology is growing rapidly. As result of using inverters in household appliances, it causes voltage distortion in the electricity network. In induction hobs, the main distortion is in the 20-25 kHz frequency range. Other voltage distortions also exist in the 40-50 kHz frequency range. Since the voltage distortion is seen in the frequency range of integer multiplication of the principal voltage distortion, this can be categorized as a harmonic behavior of the voltage distortion. The second voltage distortion is also known as the 2nd order harmonic distortion. This study aims to determine the behavior of the magnitude of the 2nd order harmonic distortion. To test this phenomenon, measurements using a picoscope with several electronic types of equipment that use inverter technology, such as induction cookers and microwave inverters with various load operating configurations and interconnections between loads against 2nd order harmonic distortion. The results of testing and analysis of the 2nd order harmonic distortion in the load with inverter technology show that the interconnection load affects the magnitude of the 2nd order harmonic distortion. This condition will depend on the characteristic impedance of the distortion source device, neighboring devices, and the main network

Pengaruh Perubahan Tegangan Masukan Terhadap Efisiensi Energi Kompor Induksi Budi Sudiarto; Justinus Dipo Nugroho; Faiz Husnayain; Agus R. Utomo; I Made Ardita
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 12 No 2: Mei 2023
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jnteti.v12i2.6784

Efficiency in energy use is essential for achieving national energy security. Dependence on energy supplies with high levels of imports can make a nation to be more susceptible to crises and dependence. It also includes the provision of energy sources for cooking needs. An electric induction cooker is one of the alternatives to the liquified petroleum gas (LPG) gas stove used for cooking. Given the high government import subsidy for LPG procurement, diversification of energy sources for cooking needs to be done. Cooking with an induction cooker is more efficient than cooking with a gas stove because it requires a shorter cooking time, and less heat energy is wasted. The energy efficiency of induction cookers ranges is approximately 80% or twice that of gas cookers ranges, which is at 40%. Nonetheless, the level of energy efficiency of induction cookers can be affected by the electricity supply voltage. Electricity conditions in Indonesia with a voltage service quality level of 220 V ± 10% result in the energy efficiency of induction cookers varying. This study analyzes the effect of input voltage variations on the energy efficiency of induction cookers. The input voltage was varied from 230 V to 200 V with a difference of 10 V using four brands of induction cookers. The test results indicate that the efficiency is directly proportional to the input voltage, where the higher the input voltage will provide the greater the induction cooker’s energy efficiency.

Studi Pengaruh Implementasi PLTS dan BESS terhadap Kestabilan Sistem Jaringan Terisolasi di Indonesia Ihsan Irfanto; Budi Sudiarto
JTEV (Jurnal Teknik Elektro dan Vokasional) Vol 9, No 1 (2023): JTEV (Jurnal Teknik Elektro dan Vokasional)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jtev.v9i1.122721

Pada zaman ini, listrik sudah menjadi suatu kebutuhan bagi kehidupan manusia. Namun dalam kenyataanya, masih banyak sistem tenaga listrik di Indonesia yang masih belum dapat menyalurkan listrik kepada seluruh penduduk Indonesia. Hal tersebut dapat dibuktikan dari rasio elektrifikasi nasional yaitu masih berada di angka 99,45% pada akhir tahun 2021 dan menargetkan di angka 100% pada tahun 2022. Bahan bakar fosil masih menjadi pilihan terbesar sebagai sumber pembangkitan energi listrik di Indonesia. Salah satu usaha penghematan bahan bakar fosil tersebut ialah dengan memaksimalkan penggunaan EBT sebagai sumber pembangkitan energi listrik. Selain itu, target untuk tercapainya net zero emission tahun 2060 menjadikan pembangkit EBT akan terus ditingkatkan dimana bauran EBT di tahun 2025 mencapai 23% sesuai dengan Rencana Usaha Penyediaan Tenaga Listrik (RUPTL) 2021 â€“ 2060. Tujuan dari penelitian ini adalah studi pengaruh implementasi PLTS dan BESS terhadap kestabilan suatu sistem terisolasi di Indonesia sebagai usaha mengurangi penggunaan pembangkit listrik berbahan bakar fosil dan peningkatan penetrasi pembangkit EBT. Penelitian ini dilakukan menggunakan perangkat lunak DIgSILENT PowerFactory. Hasil analisis aliran daya dan kestabilan sistem menunjukkan bahwa pemasangan PLTS dan BESS pada sistem jaringan terisolasi di Indonesia beroperasi pada tegangan yang aman baik pada waktu beban puncak siang hari ataupun malam hari atau berada pada batas aturan jaringan di Indonesia yaitu Â±10% dari tegangan nominalnya. Selain itu sistem pun mampu menjaga nilai frekuensi dan tegangan sistem ketika terjadi gangguan hingga dilakukan tindakan penanggulangan yang ditunjukkan pada nilai tegangan yang berada pada batas nilai tegangan Â±10% dari tegangan nominalnya dan nilai frekuensi 50 Hz Â± 2,5%. Berdasarkan hasil analisis aliran daya dan stabilitas, rencana pemasangan PLTS dengan BESS pada sistem jaringan terisolasi di Indonesia dapat dilaksanakan dan layak untuk diimpelentasikan

Co-Authors Agus R. Utomo Hero Gunawan Husnayain, Faiz I Made Ardita Ihsan Irfanto Justinus Dipo Nugroho M. Muaz Afra Yunardi Muhammad Arkhan Pradanugraha Mukti, Doni Abdul Pratama, Rheo Loridho Rheo Loridho Pratama Tamim, Faizal Yunardi, M. Muaz Afra

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