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All Journal International Journal of Electrical and Computer Engineering MEDIA ELEKTRIKA TEKNIK Transmisi: Jurnal Ilmiah Teknik Elektro Jurnal Pengembangan Energi Nuklir IPTEK The Journal for Technology and Science Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) PROSIDING CSGTEIS 2013 Jurnal technoscientia Prosiding SNATIKA Vol 01 (2011) Prosiding Semnastek Scientific Journal of Informatics Semesta Teknika JURNAL NASIONAL TEKNIK ELEKTRO Prosiding 2nd Seminar Nasional IPTEK Terapan (SENIT) 2017 Communications in Science and Technology Jiko (Jurnal Informatika dan komputer) Jurnal Teknologi Dirgantara Informasi Interaktif IJITEE (International Journal of Information Technology and Electrical Engineering) JURNAL TEKNOLOGI TECHNOSCIENTIA International Journal Of Science, Technology & Management (IJSTM) Prosiding Seminar Nasional Program Pengabdian Masyarakat Jurnal Nasional Teknik Elektro dan Teknologi Informasi Jurnal Manusia dan Lingkungan Journal of Power, Energy, and Control Indonesian Journal of Aerospace
Sasongko Pramono Hadi
Departemen Teknik Elektro Dan Teknologi Informasi Universitas Gadjah Mada
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Physics Social Sciences Transportation

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Fungsi Peredaman UPFC pada Sistem Tenaga Listrik Mesin Tunggal Bus Tak Berhingga Sasongko Pramono Hadi; Wijaya Yudha Atmaja; Rahmad Syahputra Lubis
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 1 No 2: Mei 2012
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (64.503 KB)

Abstract

The usual configuration of a UPFC consists of two voltage source converters, which are connected through a common DC link capacitor. One converter is connected in shunt and the other is in series to transmission line in a substation. UPFC is normally located on a transmission network requiring reactive power, with the primary duty to be power flow control. The secondary function could be transient stability improvement due to their rapid response. This research aims to investigate the dumping function of UPFC in coordination with Power Oscillation Damping (POD) Controller in Single Machine Infinite Bus (SIMB) with Power System Stabilizer (PSS). The presence of UPFC in the existing system equipped with both conventional controller and PSS in the generator, could lead to get a dynamics and stability system improvement, a precise adjustment of these controller parameter of POD has been carried out in order to get a good and appropriate set of parameter value.
The Solution for Optimal Power Flow (OPF) Method Using Differential Evolution Algorithm Hazel Ariantara; Sarjiya Sarjiya; Sasongko Pramono Hadi
IJITEE (International Journal of Information Technology and Electrical Engineering) Vol 1, No 1 (2017): March 2017
Publisher : Department of Electrical Engineering and Information Technology,Faculty of Engineering UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1409.637 KB) | DOI: 10.22146/ijitee.25141

Abstract

Optimal Power Flow (OPF) is one of techniques used to optimize the cost of power plant production while maintaining the limit of system reliability. In this paper, the application of differential evolution (DE) method is used to solve the OPF problem with variable control such as the power plant output, bus voltage tension, transformer tap, and injection capacitor. The effectiveness of the method was tested using IEEE 30 buses. The result shows that this method is better than generic algorithm (GA), particle swarm optimized (PSO), fuzzy GA, fuzzy PSO, and bat-algorithm. The simulation of the power plant systems of 500 kV Java-Bali with the proposed method can reduce the total cost of generation by 13.04% compared to the operating data PT. PLN (Persero).
Optimal Power Flow Using Flower Pollination Algorithm: A Case Study of 500 kV Java-Bali Power System Fredi Prima Sakti; Sarjiya Sarjiya; Sasongko Pramono Hadi
IJITEE (International Journal of Information Technology and Electrical Engineering) Vol 1, No 2 (2017): June 2017
Publisher : Department of Electrical Engineering and Information Technology,Faculty of Engineering UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1038.707 KB) | DOI: 10.22146/ijitee.28363

Abstract

Flower Pollination Algorithm (FPA) is one of metaheuristic methods that is widely used in optimization problems. This method was inspired by the nature of flower pollination. In this research, FPA is applied to solve Optimal Power Flow (OPF) problems with case study of 500 kV Java-Bali power system in Indonesia. The system consists of 25 bus with 30 lines and 8 generating units. Control variables are generation of active power and voltage magnitude at PV bus and swing bus under several power system constraints. The results show that FPA method is capable of solving OPF problem. This method decreased the generator fuel cost of PT. PLN (Persero), the state-owned company in charge of providing electricity in Indonesia, up to 13.15%.
Role Analysis of Distributed Generation Towards Transmission Expansion Planning Using MILP Gessa Firman Febrian; Sasongko Pramono Hadi; Sarjiya Sarjiya
IJITEE (International Journal of Information Technology and Electrical Engineering) Vol 2, No 2 (2018): June 2018
Publisher : Department of Electrical Engineering and Information Technology,Faculty of Engineering UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1110.861 KB) | DOI: 10.22146/ijitee.42551

Abstract

Electricity demand increase as function of population and economic activity growth. To meet the demand growth, one kind of approaches to expand electrical system is to calculate the need of generating unit and the result will be used to determine the needs of transmission line. In this research, a model was developed with focused on transmission line expansion based on Mix Integer Linear Programming method. The objective function was to minimize overall investment cost for transmission and operating cost of all generating units. The developed model was implemented in 6-bus Garver’s test system. Distributed generation implementation impact is also studied in this study in term of network configuration and overall expansion cost. The results show that distributed generation implementation will differ the network configuration and reduce the overall system cost, with overall system cost with and without distributed generation implementation was $106.4 million and $103.18 million respectively.
PENINGKATAN KETELITIAN PENGUKURAN DATA PERCEPATAN ROKET KENDALI DENGAN MENGUNAKAN IMU MULTISENSOR Wahyudi Wahyudi; Adhi Susanto; Sasongko Pramono H; Wahyu Widada
Transmisi: Jurnal Ilmiah Teknik Elektro Vol 19, No 1 Januari (2017): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (759.719 KB) | DOI: 10.12777/transmisi.19.1.22-27

Abstract

Komponen utama Inertial Measurement Unit (IMU) yang digunakan untuk mengukur kecepatan sudut putaran roket dan percepatan gerak roket adalah giroskop dan akselerometer. Roket kendali mempunyai jangkauan pengukuran percepatan yang lebar, yang disebabkan oleh adanya daya dorong booster dan daya dorong sustainer. Daya dorong booster digunakan roket untuk mencapai ketinggian dan kecepatan tertentu, sedangkan daya dorong sustainer dipakai pada saat roket dikendalikan. Jika IMU hanya menggunakan satu akselerometer dengan jangkauan percepatan yang disebabkan oleh daya booster, maka pada saat mengukur percepatan yang disebabkan oleh daya sustainer akan memberikan pengukuran yang kurang teliti. Jika IMU hanya menggunakan akselerometer dengan jangkauan percepatan yang disebabkan oleh daya sustainer, maka IMU akan memberikan pengukuran yang teliti tetapi sebagian percepatan, yaitu yang disebabkan oleh daya booster akan hilang karena percepatan tersebut di luar jangkauan pengukurannya. Permasalahan tersebut dapat diatasi dengan menggunakan multisensor pada perancangan sensor IMU serta algoritme untuk memilih data sensor IMU, sehingga diperoleh IMU dengan jangkauan lebar dan ketelitian tinggi. Simulasi hasil perancangan dilakukan dengan menggunakan data gerak roket. Hasil simulasi menunjukkan bahwa sensor IMU hasil perancangan mempunyai jangkauan pengukuran lebar, yaitu pada semua percepatan gerak roket dan dapat meningkatkan ketelitian pengukuran percepatan gerak roket, yaitu hingga 98,64%.
Peningkatan Stabilitas Transien pada Turbin Angin Berbasis DFIG Menggunakan SFCL tipe Bridge Doane Puri Mustika; Sasongko Pramono Hadi; Mokhammad Isnaeni B; Mohd. Brado Frasetyo; Tumiran
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 11 No 4: November 2022
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.v11i4.5031

Abstract

Today’s electrical energy is mainly produced by burning fossil fuels, which actually has negative effects on earth, namely global warming. In the electricity sector, measures that can be taken to reduce emissions include replacing conventional generators with renewable ones. Wind energy is one type of new renewable energies (NREs) with the potential to reduce emissions. Wind turbines widely used today are variable speed wind turbines, such as the doubly-fed induction generator (DFIG). DFIG has numerous advantages, like having more flexibility and being able to control both active and reactive powers. However, it often encounters instability problems in its system when experiencing transients. Therefore, a solution that can improve transient stability in DFIG is needed. The bridge-type superconducting fault current limiter (SFCL) was used in this research as a solution to improve the transient stability in DFIG, which consisted of two diodes and two inductors. This bridge-type SFCL operates by limiting the current in the event of faults, preventing the system from voltage drops or trips. The simulation results were analyzed under two circumstances. In the first circumstance, the 9 MW DFIG wind turbine system which was given faults using SFCL produced a voltage value of 219 V, with a more stable frequency value of 50 Hz, and an active power value of 9 MW. Meanwhile, when a system that did not use SFCL was given faults, the voltage dropped from the normal state of 219 V to 100 V. The frequency value was less stable, fluctuating between 49.75 Hz and 50.25 Hz, while the active power dropped from 9 MW to 6 MW. This result proves that the bridge-type SFCL method effectively increases the transient stability in DFIG.
EVALUASI SISTEM INFORMASI PENERIMAAN MAHASISWA BARU MENGGUNAKAN METODE HOT-FIT muhammad wisynu kurniawan; Sasongko Pramonohadi; Rudy Hartanto
JIKO (Jurnal Informatika dan Komputer) Vol 5, No 3 (2022)
Publisher : JIKO (Jurnal Informatika dan Komputer)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/jiko.v5i3.4687

Abstract

Sistem Informasi Penerimaan Mahasiswa Baru (SIPMB) diharapkan akan memudahkan calon mahasiswa untuk mengetahui informasi seputar penerimaan mahasiswa baru (PMB), mendaftar, mengunggah berkas yang disyaratkan, melihat hasil verifikasi berkas, dan melihat hasil penerimaan mahasiswa baru secara daring. Meskipun demikian masih ada calon mahasiswa yang belum merasakan manfaat SIPMB secara maksimal. Maka diperlukan evaluasi terhadap SIPMB, agar diketahui faktor - faktor apa saja yang mempengaruhi pengguna SIPMB dalam mendapatkan manfaat dari SIPMB. Penelitian ini menggunakan model Human, Organization dan Technology-fit (HOT-fit). Model  Hot-fit yang digunakan telah disesuikan dengan kondisi subjek penelitian. Ada delapan variabel yang digunakan dalam penelitian ini yaitu system quality (SQ), information quality (IQ), system use (SU), service quality (SERVQ), facilitating condition(FC), organization structure (OS) dan net benefit (NB). Untuk menguji reliabilitas, validitas dan mengetahui p-valuemenggunakan metode SEM-PLS dengan bantuan aplikasi SmartPls. Ada sepuluh hipotesis yang diuji dalam penelitian ini. Dari hasil penelitian, sepuluh hipotesis tersebut dinyatakan diterima. Penelitian ini menunjukkan bahwa system usedipengaruhi secara signifikan oleh system quality, information quality dan service quality. User satisfaction dipengaruhi signifikan oleh system quality, information quality, service quality dan facilitating condition. Net benefit atau manfaat bersih secara signifikan dipengaruhi oleh system use, organization structure dan user satisfaction.
PERANAN MANAJEMEN PENGETAHUAN DALAM EVALUASI SISTEM PEMERINTAHAN BERBASIS ELEKTRONIK Ficky Eriyanto Triyudian Rasid; Sasongko H Pramono; Muhammad N Rizal
JIKO (Jurnal Informatika dan Komputer) Vol 5, No 3 (2022)
Publisher : JIKO (Jurnal Informatika dan Komputer)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/jiko.v5i3.5284

Abstract

Manajemen Pengetahuan dapat dikategorikan sebagai faktor prinsipil dalam Organisasi Pemerintahan dikarenakan memegang pengaruh langsung dalam menciptakan perubahan dalam hal perkembangan dan penggunaan teknologi dan informasi sehingga dapat meningkatkan efektivitas dan efisiensi organisasi. Dengan kemajuan teknologi saat ini knowledge atau pengetahuan merupakan sumber daya yang harus dianggap penting bagi organisasi. Pemerintah Indonesia menyadari pentingnya manajemen pengetahuan dengan menerbitkan Peraturan Menteri Pendayagunaan Aparatur Negara dan Reformasi Birokrasi (PAN-RB) Nomor 59 Tahun 2020 tentang Evaluasi Sistem Pemerintahan Berbasis Elektronik (SPBE) didalamnya terdapat domain baru yaitu Domain Manajemen SPBE. Manajemen Pengetahuan menjadi salah satu indikator yang dievaluasi dengan adanya indikator 26 dengan fokus terhadap manajemen pengetahuan organisasi.  Setiap Kementerian Lembaga dan Pemerintah Daerah diharapkan dapat memahami  manajemen pengetahuan dan faktor-faktor  dalam Manajemen Pengetahuan seperti jenis pengetahuan, berbagi pengetahuan, model konversi pengetahuan, faktor penunjang dan hambatan dalam implementasi dalam penerapan Manajemen pengetahuan. Evaluasi diperlukan untuk menjaga standar penyelenggaraan pemerintahan dalam bidang pendayagunaan teknologi informasi dan komunikasi dengan efektif, efisien dan berkelanjutan sebagai peningkatan proses transformasi e-government di Indonesia.
Algoritma Genetika dalam Penentuan Alokasi Biaya Wheeling Menggunakan LRMC dan MW-Mile Angga Cahya Putra; Sasongko Pramonohadi; Sarjiya
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.v12i2.4755

Abstract

Electricity deregulation has occurred in many countries. This deregulation primarily aims to introduce competitions to increase the efficiency and quality of service in the electricity supply industry. Generation values and transmission line functions will change significantly. Customers will welcome the free market, causing many companies to build their own generators in a wheeling operation scheme to meet their needs. Wheeling is the solution to this problem. The power flow method was used after adding wheeling to the system. This method was used to determine the system conditions after wheeling was added, considering that power flow map will change when there is a wheeling costumer. The study of the power flow method provides information on the amount of total power generated by the generator yet does not provide information on the power supplied by the generator in each transmission network. To address this shortcoming, the power tracing method was used. This method can provide information on the allocation of power supplied by generators in each transmission network in the system. This research discusses the power tracing method using the genetic algorithm (AG) method. AG is one of several optimization methods; it assumes the allocation of power flowing by the generator as the problem to be optimized. The wheeling pricing used the long run marginal cost (LRMC) method. This method projects future costs by taking into account changes in expenses that occur at any time within a specified period. In this study, the LRMC method was compared with another wheeling costing method, namely the MW-Mile method. The results showed that the LRMC method was cheaper than the MW-Mile method. From an economic perspective, the wheeling costs determination using the LRMC method is 14%-20% cheaper than the MW-Mile method.
Studi Pengaruh Kelembapan dan Polutan pada Kinerja Isolator Arrester 20 kV Naufal Hilmi Fauzan; Sasongko Pramonohadi; Muhammad Ariq Achnida Syam; Rafi Ramadhana Ardiantara
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.v12i2.6324

Abstract

An arrester is a device that serves to protect equipment from dielectric failure caused by lightning impulses, switching surges, or voltage spikes that exceed an equipment’s dielectric capability. The majority of arresters have an event counter installed, which is used to track how frequently they have been in use. In humid and heavily polluted environmental conditions, it is very easy for surface discharge to occur on the isolator. Surface discharge is a discharge that occurs in an area directly related to a dielectric surface that has an excess electric field, thus triggering a discharge. If a surface discharge continues to happen, it can result in a flashover. Flashover that hits part of the event counter can make the event counter experience error, so it does not show the correct number. In addition, the performance of the event counter will be disrupted. For this reason, it is necessary to test the arrester insulators with three schemes: clean condition insulators, humid condition insulators, and insulators with humid and polluted conditions. In this experiment, pollutants were used with an equivalent salt deposit density (ESDD) value of 4.69 mg/cm2 and a nonsoluble deposit density (NSDD) value of 1.8841 mg/cm2. According to the experiment results, it was found that there was a decrease in the ability of arrester insulation to withstand voltage caused by humidity and pollutants. Humidity decreased breakdown voltage (BDV) by 5.8 kV for every 5% increase in humidity, while pollutants decreased BDV by 59 kV when the insulator was exposed to pollutants.
Co-Authors - Asmar - T. Haryono - Wahyudi Adhi Susanto Adhi Susanto Adhi Susanto Adikara Ajrin, Hyatma Agung Dwi Yulianta Ali Djamhuri Andityo, Bimo Hario Andityo, Bimo Hario Angga Cahya Putra Avrin Nur Widiastuti Daniar Rizki Wijayanti Doane Puri Mustika Eko Nugroho Eko Nugroho Elang Bayu Trikora Fajar Prasetia Fauzan, Naufal Hilmi Ficky Eriyanto Triyudian Rasid Gessa Firman Febrian Hazel Ariantara Indraputra Suharjono, Taufiq Ismu Wijayanto Lesnanto Multa Putranto Lukito Edi Nugroho Maemonah, Maemonah Mahardiko, Suseto Misbah Misbah Mohammad Kholid Ridwan Mohd. Brado Frasetyo Mokhammad Isnaeni Bambang Setyonegoro Muhammad Ariq Achnida Syam Muhammad Bhayu Bramantyo Muhammad N Rizal muhammad wisynu kurniawan Nugroho Jannin Warenpan Prasetia, Fajar Priambudi Pujihatma Rafi Ramadhana Ardiantara Rahmad Syahputra Lubis Rahmat Adiprasetya Al Hasibi Rahmat Adiprasetya Al Hasibi, Rahmat Adiprasetya Restu Prima Aridani Rizal, Muhammad Nur Rizki Firmansyah Setya Budi Rizki Firmansyah Setya Budi Rudy Hartanto Sabhan Kanata Sarjiya Suhono Suhono Suseto Mahardiko Sutanta, Heri Syahputra Lubis, Rahmad Taqiyuddin Taqiyuddin, Taqiyuddin Taqiyuddin, Taqiyuddin Taufiq Indraputra Suharjono Tri Agung Rohmat Tri Nugroho, Apri Tumiran Wahyu Widada Wahyu Widada Wahyu Widada Wahyu Widada WAHYUDI Wahyudi Wahyudi Wahyudi Wahyudi Widiyanto, Syam Wijaya Yudha Atmaja Wijayanti, Daniar Rizki Yusuf Susilo Wijoyo Zainal Abidin