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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) Agromet Jurnal Pengolahan Hasil Perikanan Indonesia Agroland : Jurnal Ilmu-Ilmu Pertanian TEKNIK Transmisi: Jurnal Ilmiah Teknik Elektro TRANSIENT: Jurnal Ilmiah Teknik Elektro AGROTEKBIS Semantik TELKOMNIKA (Telecommunication Computing Electronics and Control) DIPOIPTEKS: Jurnal Ilmiah Mahasiswa Undip Jurnal Informatika dan Teknik Elektro Terapan ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Proceeding of the Electrical Engineering Computer Science and Informatics PROtek : Jurnal Ilmiah Teknik Elektro AGROLAND: The Agricultural Sciences Journal Jurnal Basicedu Jurnal Ilmu Manajemen dan Akuntansi Terapan Jamak; jurnal administrasi manajemen dan kepemimpinan Jurnal Pasopati : Pengabdian Masyarakat dan Inovasi Pengembangan Teknologi Jurnal Ilmu dan Teknologi Perikanan Jurnal PkM (Pengabdian kepada Masyarakat) Jurnal Pendidikan dan Sastra Inggris (JUPENSI) Formosa Journal of Multidisciplinary Research (FJMR) Jurnal Basicedu Jurnal Rekayasa elektrika MULTIPLE: Journal of Global and Multidisciplinary Jurnal Profesi Insinyur Indonesia Ghaly: Journal of Islamic Economic Law AGROTEKBIS: Jurnal Ilmu Pertanian Mitra Sains Mitsaq : Islamic Family Law Journal

Abdul Syakur

Faculty Of Agriculture, Tadulako University

Author-ID : 399102

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering 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 Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences Transportation Other

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ANALISIS GAS TERLARUT PADA MINYAK ISOLASI TRANSFORMATOR TENAGA AKIBAT PEMBEBANAN DAN PENUAAN Hermawan, Hermawan; Syakur, Abdul; Iryanto, Irwan
TEKNIK Volume 32, Nomor 3, Tahun 2011
Publisher : Diponegoro University

The lifetime of transformers and its equipments are highly dependent on the quality of insulation system.Insulation is one important component in a transformer because generally, insulations used liquid and solidinsulation in accordance with its function as an insulating material and cooling media. At the time there usedtransformer oil aging and damage caused by several things such as impurities, water content, dissolved gases(Dissolved Gas Analysis-DGA), acidity and heating the oil. Transformers loading will cause a decrease in thequality of the transformers insulation system that resulted in the decreasing age of insulating oil.This paper explained the influence of aging on the rate of degradation of Dissolved Gases of power transformersinsulating oil. This research was conducted using sample data loading and maintenance of transformers byobtained directly with investigations into the transformers which is operating. There are three method todetermine quality of oil transformer i.e. Total Combustible Gases (TCG), Roger Ratio, Key Gas and DuvalTriangle Methods.Based on analysis result by using samples from a variety of loading conditions of the transformers with differentlevels we can conclude the quality and worthiness of insulation oil and the estimated the effective remaining lifeof transformers insulation system.

THE ANALYSIS OF PARTIAL DISCHARGE (PD) FROM ELECTRICAL TREEING IN LINEAR LOW DENSITY POLYETHYLENE (LLDPE) AND HIGH DENSITY POLYETHYLENE (HDPE) Hermawan, Hermawan; Syakur, Abdul
TEKNIK Volume 29, Nomor 3, Tahun 2008
Publisher : Diponegoro University

Recently, the transmission of electric energy has been developed by insulated cable. The suitable materialas an insulated cable is LLDPE and HDPE. In order to understand the quality of insulation system, themeasuring of PD has done. PD could begin completely insulation failure (breakdown). Therefore, it is veryimportant to understand the characteristic of PD and the enclose event on it, because PD is a main factorwhich caused insulation failure.This paper presents the result of PD measurement in the laboratory that used needle-plane electrode. Itwas supported by equipments such as osiloskop Digital GDS 2104 GW Instek, HPF, and RC detector.Polymer sample that used in this research is LLDPE (Linier Low Density Polyethylene) and HDPE with 20x 4 x 25 mm3 dimension in each. Needle was made by steel (length 50 mm and diameter 1.15 mm), it wasstick to the polymer material. The distance between needle to the plane is 5 mm. The applied voltage foreach sample was 16 kVrms, 18 kVrms, 20 kVrms and 22 kVrms. The Taking of PD data was done in thefirst minute, 10th minute, 20th and so on until 180th minute.The measurement result shows that the characteristic of PD number and maximum charge as a function oftime and as a function of applied voltage inclined increasing both on LLDPE and HDPE. But, PD intensityin HDPE is higher than LLDPE.

Analisis Pengaturan Parameter Sinusoidal Pulse Width Modulation pada High Precission Closed Loop Full Bridge Bipolar Inverter untuk Pembangkit Tegangan Tinggi Berfrekuensi Tinggi Syakur, Abdul; Wibisono, Arifin
TEKNIK Vol 41, No. 1 (2020): May 2020
Publisher : Diponegoro University

The application of high voltage becomes more important and wider. High voltage is needed in the process of reducing air contaminants, waste treatment, sanitation, disinfecting microorganisms, testing for insulating high voltage equipment, and transmitting electrical energy. The problem of high voltage AC generation system is still in a large scale, static, not portable, and very expensive. This paper presents an analytical design of a high-voltage AC high-frequency based on power electronic. It is portable, less expensive, and eaasier to control the amplitudo and frequency. The application of the Full Bridge Bipolar Inverter topology with the Sinusoidal Pulse Width Modulation switching method provides variable sinusoidal AC voltage outputs (Vo) on its amplitude and frequency. The Tesla Coil Transformer amplifies the amplitude in accordance with the classification of the high voltage AC in the order of Kilo Volt. The Closed Loop control system in the Bipolar Inverter Full Bridge topology provides high accuracy results between the given setting values and the actual amplitude output and the expected high-frequency AC voltage. Analysis of the SPWM switching pattern parameter settings shows stability for several loading variations

Analysis of Leakage Current and Insulator Resistivity for Quality Assurance of Medium Voltage Network Polymer Insulators Alumina - SiO2 in Tropical Climate Simulator Room Utami, Agnes Manik Sari; Syakur, Abdul; Hermawan, Hermawan
TEKNIK In Press
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v42i1.36152

The tropical climate of Indonesia, which has moderately high rainfall, has an impact on the output of outdoor insulators. The presence of chemical particles, pollen, and salt in the air will bind to the insulating material's outer surface and settle, resulting in crystallization that allows the insulating material's surface roughness to increase. One of the insulators that are being produced is an insulator made of epoxy resin. The injection of fillers is used to further improve the durability of the outdoor epoxy resin insulators installed in tropical climatic conditions. Epoxy resin from bisphenol A-epichlorohydrin and polyaminoamide combined with silane, alumina, and SiO2 is used as research materials. The parameters examined were leakage current and resistance to insulation. The use of silane as a hardener will also improve the resistivity on the surface of the insulator, which makes it more difficult to flow or reduces the leakage current. Alumina is well-known for being a solid heat and voltage insulator. The addition of SiO2 to the epoxy resin insulating material increases the insulator's mechanical strength in the form of tensile and compressive strength. With fluctuations in temperature and humidity, the artificial tropical environment is replicated in a test chamber. The value of the leakage current increases with an increase in temperature and humidity. The correlation between air temperature and humidity and insulation resistance is inversely proportional, the higher the temperature applied to the insulator, the lower the insulator resistivity. The same refers to the relationship between air humidity and resistance to insulation. The higher the humidity applied to the insulator, the lower the insulator resistivity. At a test voltage of 11 kV, a humidity of 60%, and a temperature variation of 25oC, the leakage current of epoxy resin insulators is up to 9.2 uA lower than in a factory-made SiR insulator. The leakage current and insulator resistivity's number is already in the good and protected range such that the insulator can be used and reproduce.

Co-Authors . Karnoto A.I.W. Nugroho Abda Abda Abdul Hadid Abnan Pancasilawati Achruh, Andi Adhitya Sukma W Agung Warsito Aji Suryo Alam Alfiandy, Solih Ali, Dzulfikar Andhika Ilham Wahyu Nugroho Anggit Suko Pandu, Anggit Suko Anrasiyana, Anrasiyana apri dwi anggo Arfan, M. Arianto, Mufid Arifuddin Lamusa Bagas Risky Abdilah Bambang Iswanto Bambang Winardi Bangun, Daniel C. Bayu Seno A.N Bernad, Dwaldes Budiatno Budiatno Burhanuddin Haji Nasir Burhanudin Latarang Caroline Caroline Chitra Anggriani Salingkat Dance Tangkesalu DENI SETIAWAN Devy Martoni Diana Melantina Dina Merris Dwi Aji Sulistyanto Eddy Darmawan Fadli, Muhammad Chaliq Faris Cahya Priambada Fitri, Rahmiza Flora Pasaru Fronthea Swastawati Galuh Susilowati Hadayani Hadayani Haddade, Hasyim Hafidin, Hafidin Hamzah Berahim Hamzah Berahim Hamzah Berahim Hamzah Berahim Hasthi, Saputra Hermawan Hermawan Hermawan, Hermawan Hidayat, Adhitya Fauzan Hidayati Mas'ud Ika Novia Ilham Muttaqin, Ilham Irwan Iryanto Irwansya, Irwansya Iskandar Iskandar Iwan Setiawan J. Jamari Leo Saputra Lilin Budiati M. Adam Syifaul Huda Mahdiah, Farah Mardiyah, Luthfiyyatun Mas'ud, Hidayati Mochammad Facta Mohammad Tauviqirrahman Muhammad Habibi Napitupulu, Anastasia Br Naufhal Najib Nirwan Sahiri NUGRAHA, OKRISAL REKA Nugroho, Rizki A. Nur Taat Sayekti Nurhadi Bashit Nurlailati - Palitta, Yeni B Pamudji, Teguh Pramesti, Eka Wahyu Prawira, Komang Yehuda PUTRA, RAFIF DAFFA ARIBAWA R Rizal Isnanto Rahman, Sulviani Ramal Yusuf Ratih Wahyu Wijayanti Reifeldi, Haikal Alfaro Rifky Ismail Rini Hidayati RIYANTO, FADILLA DWI PUTRI Rizky Adi Nugraha Rochmadi Rochmadi Rochmadi Rochmadi Rochmadi Rochmadi Saragih, Christian Sarjiya Savitri, Fanny Rizka Septian Palma Ariany Siti Nurjanah Siti Susanti Sitti Mania, Sitti Slamet Suharto, Slamet Solih Alfiandy Sugiyanto Sugiyanto Sugiyanto Sulistyaningsih Sulistyaningsih Sumardi . Supriyadi, Guntur Susatyo Handoko Syamsul Syukur Taryo, Taryo Tumiran Utami, Agnes Manik Sari Utami, Pertiwi Nurul Valentino Valentino Vivit Fitriyanti Wibisono, Arifin Widya wati Winarko AP Yohanis Tambing Yonny Koesmaryono Yosua Alvin Yosua Alvin Yosua Alvin Soetrisno Yudy Prasetyo Yuningtyastuti Yuningtyastuti Yunita NURMALIAKASIH, Dias ZAMAN, Badrus Zulfaidah Ariany

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