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All Journal Jurnal Penelitian STIKES Kediri International Journal of Renewable Energy Development TEKNIK Transmisi: Jurnal Ilmiah Teknik Elektro Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan JURNAL SISTEM KOMPUTER E-JUPEKhu JURNAL ILMU DAN TEKNOLOGI PETERNAKAN Al-Qanun: Jurnal Pemikiran dan Pembaharuan Hukum Islam Journal of Marine Research TRANSIENT: Jurnal Ilmiah Teknik Elektro Jurnal Teknik Sipil Indonesian Journal of Conservation Jurnal Theologia Journal The Winners Khizanah al-Hikmah : Jurnal Ilmu Perpustakaan, Informasi, dan Kearsipan JAM : Jurnal Aplikasi Manajemen LingTera Indonesian Journal of Disability Studies Erudio: Journal of Educational Innovation REKAYASA Business UHO: Jurnal Administrasi Bisnis ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Unnes Journal of Sport Sciences Jurnal Manajemen Pelayanan Publik Mimbar Agribisnis: Jurnal Pemikiran Masyarakat Ilmiah Berwawasan Agribisnis Jurnal Mirai Management Studia Religia: Jurnal Pemikiran dan Pendidikan Islam Proceedings of the 1st UR International Conference on Educational Sciences JURNAL ATOMIK Jurnal Teknoinfo NUSANTARA : Jurnal Ilmu Pengetahuan Sosial JURNAL PENDIDIKAN TAMBUSAI PARAMUROBI Journal of Education Technology Jurnal Peternakan Nusantara Jurnal Penelitian dan Pengabdian Kepada Masyarakat UNSIQ Journal of Economic, Management, Accounting and Technology (JEMATech) Journal of Public Administration Studies Jurnal Arsitektur ZONASI Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat Jurnal Basataka (JBT) Jurnal Sekretari Universitas Pamulang INTERACTION: Jurnal Pendidikan Bahasa Jurnal Ilmiah Edunomika (JIE) Diagnosis: Jurnal Ilmiah Kesehatan JOSSAE (Journal of Sport Science and Education) Indonesian Journal of Electrical Engineering and Computer Science Community Development Journal: Jurnal Pengabdian Masyarakat Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Jurnal Fokus Manajemen Bisnis Patria : Jurnal Pengabdian Kepada Masyarakat Dinasti International Journal of Economics, Finance & Accounting (DIJEFA) Journal of Economics and Business UBS Journal of Computer and Information Systems Ampera DEVICE Lingua Susastra Indonesian Journal of Business and Management JPI (Jurnal Pendidikan Inklusi) Jurnal Pengabdian kepada Masyarakat Tafkir: Interdisciplinary Journal of Islamic Education Jumat Pendidikan: Jurnal Pengabdian Masyarakat BISNIS & BIROKRASI: Jurnal Ilmu Administrasi dan Organisasi Bima Journal : Business, Management and Accounting Journal Education Achievement: Journal of Science and Research Journal of Research in Social Science and Humanities Jurnal Kajian Pendidikan IPA Indo-MathEdu Intellectuals Journal Jurnal Al-Fawa'id : Jurnal Agama dan Bahasa Journal of Indonesian Management Jurnal Ilmiah Arsitektur Fruitset Sains : Jurnal Pertanian Agroteknologi Journal of Economic, Business and Engineering (JEBE) JIEPS: Jurnal Ilmiah Ekonomi Islam dan Perbankan Syariah Fakultas Agama Islam Universitas Muhammadiyah Aceh International Journal of Humanities Education and Social Sciences Journal Of Human And Education (JAHE) Journal of Agribusiness Science and Rural Development Journal of Innovation Research and Knowledge TRANSPUBLIKA INTERNATIONAL RESEARCH IN EXACT SCIENCES (TIRES) TRANSFORMATIONAL LANGUAGE, LITERATURE, AND TECHNOLOGY OVERVIEW IN LEARNING (TRANSTOOL) Prosiding University Research Colloquium ARZUSIN: Jurnal Manajemen dan Pendidikan Dasar Jurnal Produksi Ternak Terapan (JPTT) Journal of Education Technology Information Social Sciences and Health eProceedings of Art & Design Jurnal Indonesia Sosial Teknologi Jurnal Pendidikan Indonesia (Japendi) Panthera : Jurnal Ilmiah Pendidikan Sains dan Terapan Jurnal Review Politik English Education and Applied Linguistics Journal (EEAL Journal) Innovative: Journal Of Social Science Research MDP Student Conference Jurnal Pengabdian Masyarakat Bangsa Jurnal Kesehatan Tropis Indonesia Global Education Journal Legalpreneur Journal Prosiding SEMNAS INOTEK (Seminar Nasional Inovasi Teknologi) Presisi Jurnal Pengabdian Masyarakat Rechtsnormen Journal of Law Jurnal Pendidikan dan Sains Blantika : Multidisciplinary Journal Jurnal Pengabdian kepada Masyarakat : Kreasi Mahasiswa Manajemen Journal of Innovative and Creativity Journal of Telecommunication and Electrical Scientific Al Mihwar: Jurnal Pendidikan Bahasa Arab dan Kebahasaan Clean Energy and Smart Technology Edukatif: Jurnal Pengabdian Masyarakat Al-Risalah Jurnal Studi Agama dan Pemikiran Islam Jurnal Ilmu-Ilmu Pertanian Catha Saintifica Jurnal Pelita PAUD Thalaqah : Journal of Arabic Education and Literature Efada : Jurnal Pengabdian Masyarakat Jurnal Pendidikan Progresif ATTARBIYAH: Journal of Islamic Culture and Education Jurnal Arsitektur ARCADE Servis : Jurnal Pengabdian dan Layanan kepada Masyarakat Jurnal Tarbiyatuna Jurnal Ilmu Manajemen
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Journal : TEKNIK

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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (478.567 KB) | DOI: 10.14710/teknik.v32i3.1737

Abstract

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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (360.702 KB) | DOI: 10.14710/teknik.v29i3.1965

Abstract

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.
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

Abstract

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.
Sistem Kontrol Injeksi Arus pada Inverter Berbasis Metode Proportional Integral Saputra, Eko Wirahadi; Hermawan, Hermawan; Setiawan, Iwan
TEKNIK Vol 41, No. 2 (2020): August 2020
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v0i0.23932

Abstract

Saat ini energi terbarukan yang bersumber dari energi hijau terus dikembangkan dan dioptimalkan. Khusus pemanfaatan energi terbarukan dengan keluaran daya DC, maka secara praktis diperlukan sistem  inverter agar bisa digunakan sebagai pengganti sumber energi daya AC. Agar bekerja secara optimal, secara internal dalam sebuah sistem inverter sumber tegangan, perlu dilengkapi sistem umpan balik arus. Salah satu metode pengontrolan arus inverter yang relative popular adalah metode kontrol Proporsional-Integral. Dalam penelitan ini, dirancang inverter satu fasa tipe Full Bridge dengan metode kontrol proportional-integral menggunakan mikrokontroler 16-bit dsPIC30F4011. Dengan sensor arus ACS712-05B arus keluaran inverter diumpan-balikkan. Pengujian dilakukan dengan variasi beban 8 Ω dan 10 Ω, dengan memvariasikan sejumlah nilai parameter kp dan ki. Berdasarkan hasil pengujian metode proportional integral untuk pengontrollan arus pada inverter satu fasa memiliki respon sistem cepat dan relative stabil.
Co-Authors Abd. Qadir Muslim Abd. Rasyid Syamsuri Abda Abda Abduh, Thamrin Abdul Munir Abdul Syakur Abdullah Said Abdullah, Akhyar Achmad Firman Adiba, Vina Fatin Adipta Wisnu Wardhani Adista Ayu Widiasanti Adrian Eko Saputra, Adrian Eko Adriana Sari Aryani Afifah, Ainun Afriana, Elza Agae Agni, Dagi Mardhan Agni, Dagi Mardhan Agae agung setiawan Agung Warsito Agus Setiawan Ahmad, Dinar Munggaran Ahmaddani, Zakki Habib Ajie, Erwin Panucci Akde Triyoga Al Ashar, Ilham Ariawan Ali Akbar Ali Asfar Ali, Dzulfikar Ali, Nur Aliyah Alimin, Erina Almahdi, Ahmad Amalia, Shinta Amri, Jefri Khoirul Andini, Jenny Febrina Andri Wibowo Andriawan, Ifan Andro Cahyo Wibowo, Andro Cahyo anggoro, aditya dwi Anggraeni, Diah Monica Anggrellanggi, Arsy Annisa Nabila Arrizqi Anwar, Agus Saeful Aprilia, Aina arianti, rita Arief Rahman, Zya Jamaluddin Al-Rasyid Aries Maesya Arif Setiawan Ariska, Trisna Ariyani, Puji Armita, Delizea Arrizqi, Annisa Nabila Asep Hardiyanto Ashari , Muhammad Hanif Asnawi, Muhamad Fuat Asri, Rahmat AstriaNur, Hana Ayuni, Nur Rohmah Lufti Aziz , Imam Abdul Azmi, Syariful Azzahra, Bunga Seroja Sanra Bambang Santoso Haryono Bambang Winardi Bangsu, Muh Bekti, Rizky Catur Budi Santosa Budi Santosa Budi Siswanto Bustamin Bustamin Cahyani, Leni Ambar Cahyasari, Erlita Candra, Adiska Rani Ditya Casnan Casnan, Casnan Choerul Anwar, Choerul choji, ferdian Deskiniel Deskiniel Devita, Devita Putri Kunanti Dewi Wijayanti Didin Supriat Tasripin Djihan Ryn Pratiwi, Djihan Ryn Doni saputra Dwi Aji Sulistyanto Eddy Darmawan Eddy Prianto Ekawati, Christina Eko Suryanti El Syam, Robingun Enrich Van Bosar Sitorus Erni Setyowati Ervina Dwi Indrawati, Ervina Dwi Ery Badridduja Eviani Fachruroji, Muhamad Daffa Fadli, Khairu Fanani, Muhammad Adip Fanny, Tashwirul Faqih, Nasyiin Fasadina, Muhammad Fatah, Ghani Al Fathin Naufal, Haidar Ali Fauzan, Muhammad Dwi Fauziah, Nicky Oktav Febriansyah Febriansyah Ferdinan, Acep Ferianto Ferianto Fernaldy, Ivan Fikri, Muhammad Ali Firdaus Firdaus Firdaus Fitria Naimatu Sa'diyah Fitriani, Onita Fitriansyah, R. Deni Fajar Fitriyani, Yani Francesco, Atmaja Gavriel, Basca Ghewa, Gabriel Jose Posenti Gunarhadi Gunarhadi, Gunarhadi Gunawan, Peri Guspan Hidi Susilo Guspul, Ahmad H Hadiyanto H, Nadila Hadi Sutanto Saragi Hadiyanto Hadiyanto Hafiizh, Naufal Hakim, Muhammad Akmal Hana Astria Nur Handaja, Suka Handayani, Wulan Sari Hanifah Eka , Hanifah Eka Haniyah, Putri Nur Harri Bensu Saris Haryono Setyo Huboyo Hasanah Hasanah Hayat, Ainul Hendrawan, Ahmad Latif Hendriani, Adinda Septi Heri Hermanto Heri Widodo Heriawan Kukuh Setyadi Hermin Istiasih Herry Widyastono, Herry Hersugondo Hersugondo Heru Susanto Hidayat, Adhitya Fauzan hidayat, Muslim Hiras, Hiras Huda, Slamet Miftahul HUSAIN, MUHAMMAD I Ketut Suada Idris Jauhar, Nasaruddin Ihya, Rahmat Ilham Muttaqin, Ilham Iqra, Muhammad Irfa’i, Ahmad Irwan Iryanto Isdarwanto, Nabila Tuffahati Iwan Setiawan Jadmiko, Billy Pratama Putra Jamil, M. Faid Sobrun Jati, Agus Waluyo Jenggo Dwyana Prasaja, Jenggo Dwyana Jibril Yamlecha Joko Setiawan Joko Winarno JUMARDI Juningtyastuti Juningtyastuti Karnoto . Kautsar, Fauzan Mawardi Kharianto, Aan Khasanah, Ery Wahidatul Khoirullah, Azzam Ghozi Kristianto, Michael Alan Kurniawam, Fandi Kurniawan Galih L.M.F. Purwanto Laksono, Andri Lambang Bagusiam, Thomas Febrian Lie Lambertus Sinaga, Lambertus Langgeng Setyono, Langgeng Legis Tsaniyah, Legis Lerianza, Rhezy Dwilingga Lestari, Oktaviana Yuanda Lilis Nurlina Lily Elfrida, Nyayu Siti Aminah Lisa Amelia Lorensa, Albertika Lubis, Sukur Lutfiyah, Siti Maharani, Cintya Mahasin, Muhamad Yazid Maini, Tiur Maksum, Rizal Maman Somantri Maman, Ade Manan, Nanan Abdul Marcio Tahalele Marina Sulistyati Marina, Marina Sulistyati Markham, Marina Sulistyati Masyhur Rosyada Maulana Yusuf Maulana, Danar Reza Maulana, Muhamad Hakim Maulid, Angga Maulida, Zayyana Mauludin, MuhamadAli Miftakhul Arifin Mila Diana Sari, Mila Diana Mochammad Facta Mohamad Irfan Anshari, Mohamad Irfan Mohammad Anwar, Mohammad Muhamad Risal Tawil Muhammad Addin Bratawijaya, Muhammad Addin Muhammad Ilyas Sikki Muhammad Rizki Kurniawan, Muhammad Rizki Muhammad Sadli, Muhammad Muhammad, Nanda Djoehan Mukhammad Kholid Mawardi Muluk, M. R. Khairul Munawar Agus Riyadi Mushthofa Muslim, Abd. Qadir Muslim, Abdul Qadir Musta'in, Musta'in Musvita, Irna Widia Mu’awanah, Dewi Miftahul Nangim, Muhammad Ngainun Nasaruddin Nasaruddin Na’mah, Lutfia Uli Nikmah, Ani Ningsih, Asih Ria Ningsih, Siti Nurastia Niyah, Niyah Noer Afandi, Yulia Putri Nofrita, Misra Nofrita, Misra Novriani Tria Pratiwi, Novriani Tria Nugrahaeni, Monita Nur Wicaksono, Hanang Nuraisyah, Rina Nuratika, Nuratika Nur’aeni, Leni Nurhadi Nurhafni Siregar Nurhidayati, Ely Nurlaelli, Mia Sofi Nurlaili, Lili Nurrahmat, Muhammad Arif Oman Hadiana Pambudidoyo, Hilman Pangestuningtyas D L Pangestuti, Dwita Hayu Panjaitan, Aries Frananda Pebriani, Riza Pebriyanto, Riyan Perkasa, Lalu Dhanendra Kharisma Putra Ponijan Ponijan Prabowo, Rizky Pradana Putradewa Jayawardana Prameswari, Nungky Prasetya, Tegar Wiguna Prasetyo, Aries Heru Prasetyo, Gilang pratama, rendi Prayoga, Gusti Ilman Prayoga, I Putu Artawan Purwati, Ninik Endang Purwono Purwono, Purwono Puspita, Amy Puspitojati, Endah Putra, M. Farrasky Delas Putri, Delia Qomaruddin, Mochammad R, Winda Rachmawan, Raka Imam Rachmawati, Rizqi Nur Radfan, Nasar Rahmadiyatmaka , R. Arya Rais, Harisna Ramadhan, Ihsan Ramdani, Resa Mohamad Rejeki, Dewi Sri Retno Hartati Riandi Riandi Ricky Firmansyah Ridwan Sanjaya Rilawadi, Rilawadi Risal, Semuel Rismaya, Rismaya Riyadi, Ego Riza Saadiah, Riza Rizky Budi Mahendra Rizky Pranata Budiono, Rizky Pranata Rohman Hakim, Rohman Rosidi, Farid Rozabin, Abi Thri Nur Rumaisha Galuh Anindita Sabila, Adnen Bait Saefurahman, Asep Sahlan Sahlan Sainun, Sainun Salam, Abdul Qudus Salimatul, Salimatul Sapriawan, Sapriawan Saputra, Eko Wirahadi Saputra, Zakaria Saputra, Zakaria Albi Sari, Apriani Susmita Sari, Efti Novita Sarwono Sarwono Saudi, Saudi Savitri, Fanny Rizka Setiadi, Try Setiyadi, Budi Setiyo Nugroho Setyo Supratno Shiddiq, Ja'far Sholihin, Firdaus Siallagan, Tryend Sibyan, Hidayatus Sihombing, Andreas Hasian Silaturahmi, Nurul Sinaga, Frans May Daniel Siti Aisyah Siti Astuti Siti Rochmah Sobihin, Sobihin Sodik, Achmad Ja'far Soeharto, Faishal Fuad Rahman Soesilo Zauhar Sofatullah, Muhammad Rifqi St Hadijah, St subagyo, Ahmad Subandi, Iban Subandi, Kotim Sufriati Tanjung Sugara, Victor Ilyas Sugiyono Sugiyono Sukmawati Mardjuni, Sukmawati Sulastri , Reni Sultani Sultani Sumartono Sumartono Sunaryo Supratiwi, Mahardika Surya, Julia Susatyo Handoko Sutaryono, Agus Suyanti, Tri Yuli Syaefuddin, Rizky Maulana Syahirul Alim Taufiqur Rohman Bukhori Teguh Dwi Saputro, Teguh Dwi Teguh Wirawan, Teguh Tejo Sukmadi Tias Martika Tri Aji Ummah, Kuntum Khairu Unang Yunasaf Utami, Agnes Manik Sari Utami, Destri Wahyu Utomo, Raka Budi Satrio Vialy, Hasanal Wahdaniah, Wini Wahyu Ridhani Wati, Desmita Ayu Rachma Wati, Wahyuni Sinta Wibowo, Anggit Cahyo Wibowo, Bayu Setyo Widianingsih Widianingsih Widodo, Joko Ahmad Wiharthiko, Fajar Deli Wijaksono, Topan Wijaya, Devi Intan Wijaya, Santy Williyanto, Septian Windarta, Jaka Windrati, Anita Wirayoga, Habil Achmad Wirdatul Jannah Wiwit Dodi Prasetyo Wulandari, Inayah Wulandari, Rosiana Wulandari, Yuzbaa Yahman Yahman Yayat Sudaryat Yeni Haerani, Yeni Yoga Yuniadi Yolanda, Vaneza Cindy Yosa Fiandra Yozi Putri Sakinah Yuliardi, Ricki Yuningtyastuti Yuningtyastuti Yusran, Ratu Hanifah Malihah Nurjannah Yusritawati , Ita Yuwono, Joko Zainal Salam Zakiyyah, Nuri Zamzamy, Reyza Zebua, Christian Charisma Zolkafle Buntat Zulfakar Athur Banartama Zulfitri, Said Muhammad Zulkaromi, Muhammad