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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) IAES International Journal of Artificial Intelligence (IJ-AI) International Journal of Applied Power Engineering (IJAPE) Transmisi: Jurnal Ilmiah Teknik Elektro KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) Bulletin of Electrical Engineering and Informatics Jurnal Mahasiswa TEUB Jurnal Teknologi Jurnal EECCIS REKAYASA e-Jurnal Arus Elektro Indonesia ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Bulletin of Electrical Engineering and Informatics Proceeding of the Electrical Engineering Computer Science and Informatics Network Engineering Research Operation [NERO] Jurnal Media Elektro : Journal of Electrical Power, Informatics, Telecommunication, Electronics, Computer and Control System JOURNAL OF SCIENCE AND APPLIED ENGINEERING Jurnal Kelautan Nasional Jurnal Teknik Mesin dan Mekatronika (Journal of Mechanical Engineering and Mechatronics) Journal of Robotics and Control (JRC) Indonesian Journal of Electrical Engineering and Computer Science ALINIER: Journal of Artificial Intelligence & Applications Jurnal Nasional Teknik Elektro dan Teknologi Informasi SNTE International Journal of Electrical and Intelligent Engineering
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Journal : telkomnika telecommunication computing electronics and control

Alternative Grounding Method Using Coconut Shell Charcoal as Media of Mesh Electrodes Moch Dhofir; Rini Nur Hasanah; Hadi Suyono; Avrizal Riva Belan
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 16, No 2: April 2018
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v16i2.8700

Abstract

The utilization of coconut charcoal as alternative media of grounding was investigated. The mesh-electrode was made of stainless steel of 8-mm diameter, whereas its lattice dimension was 50cmx50cm. Four variations of lattice number were considered, i.e. 1-, 2-, and 4-lattice structures. Dry and wet charcoal media were considered. Mesh location was fixed in the depth of 80cm under the ground, while the 10cm of medium thickness variation was chosen. The resistance obtained using 10-cm thickness of charcoal layer in a mesh consisting of 1-, 2-, and 4-lattices were 268, 131, and 78 ohms consecutively. The addition of layer up to 80-cm resulted in a resistance decrease of 48%, 33%, and 44%. Using wet charcoal, the 10-cm layer produced 26.5, 17.5, and 14.8 ohms of grounding resistance and a reduction of 25%, 10%, and 3.6% subsequently for 1-, 2-, and 4-lattice mesh structure if the layer thickness was 80 cm.
VRLA battery state of health estimation based on charging time Akhmad Zainuri; Unggul Wibawa; Mochammad Rusli; Rini Nur Hasanah; Rosihan Arby Harahap
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 3: June 2019
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v17i3.12241

Abstract

Battery state of health (SoH) is an important parameter of the battery’s ability to store and deliver electrical energy. Various methods have been so far developed to calculate the battery SoH, such as through the calculation of battery impedance or battery capacity using Kalman Filter, Fuzzy theory, Probabilistic Neural Network, adaptive hybrid battery model, and Double Unscented Kalman Filtering (D-UKF) algorithm. This paper proposes an approach to estimate the value of battery SoH based on the charging time measurement. The results of observation and measurements showed that a new and used batteries would indicate different charging times. Unhealthy battery tends to have faster charging and discharging time. The undertaken analysis has been focused on finding out the relationship between the battery SoH and the charging time range. To validate the results of this proposed approach, the use of battery capacity method has been considered as comparison. It can be concluded that there is a strong correlation between the two discussed SoH estimation methods, confirming that the proposed method is feasible as an alternative SoH estimation method to the widely known battery capacity method. The correlation between the charging-disharging times of healthy and unhealthy batteries is very prospective to develop a battery charger in the future with a prime advantage of not requiring any sensor for the data acquisition.
Co-Authors Abdi Pandu Kusuma Abdurrasyid Jahdan ABDURROHIM, MOHAMMAD SALMAN Abraham Lomi Achmad Basuki Achmad Yahya Chasanuddin Adi, Hari Purnomo Aditya Bagus Setyawan Aditya Dwi Putranto Adityara, Farrel Billy Ahmad Fajar Robiyanto Ahsein Jomaa Alshibani Ainul Hayat Akbar, Alif Aulia Al Fawwaz, Muhammad Ghozi Al-Hajj, Baligh Belal Yahya Mohammed Alief Aulia Pradika Wijaya Alief Nasruddin Allaam, Hisyam Ghozi Alsabah, Mus Ali Altajim, Fauzan Aiman Aminullah, Muhammad Fakhri Amir Fahmi Ananda, Andhika Dwi Andreyanto, Tegar Setyo Andrian Dwiputro Andy Surya Adi Angkasa, Aulia Anik Nur Handayani Ansyaruddin Rahmatdiansyah Anthony Wijoyo Ardhito Primatama Ardiansyah, Muhammad Doni Ardiansyah, Rendy Ariefianto, Rizki Mendung Arif Resnu Putra Aripriharta - Ariq Kusuma Wardana Arizky Erwinsyah H. Armeyelia, Bulan Arrohman, Nhofa Zidane Assariy, Muhammad Faiz Astuti, Khairina Noor Avrizal Riva Belan Ayob, Shahrin Md. Azmi, Azralmukmin Banu Hermawan Yuditya Basuki Winarno Basuki Winarno, Basuki Bernadus Blasio Arsoni Berry Bustan Bastian Bimo Ardiansyah Bin Abdul Wahab , Noor Izzri Bobby Pratama Budiono Mismail Cahyaningrum, Rachmadini Censa Widianing Mulya Baskara Chandra Wiharya Chandra, Aulia Adi Cita Rahiim Tama Claudio Bryllian Adam Z. Corina Martineac Danang Dwi Andaru Dandhi Tri Laksono Daniswara, Aryasuta David Suban Koten Derry Putranugraha Devanda Antonius Y. R. Dhofir, Mochammad Dicky Indratama Didik Rahadi Santoso Dimas Diar Aidi Ditza Pasca Irwangsa Dodit Suprianto Duta Narendratama Dzikrullah, Hafeeza Rinn Eduard Muljadi Eka Maulana Eko Kuncoro Erwan Aryanto Erya Septy Dwi Wardhani Fadhil Ilma Fairuz Milkiy Kuswa Faiz Yusky Ahlian Fariz Aulia Rifqi Fauzi, Zulfa Anang Fianto, Aulia Ramadhan Fitra Rahmat Indyanto Frediawan Yuniar Gatut Yulisusianto Goegoes Dwi Nusantoro Gumay, Alif Arrasyid Gwo-Jiun Horng Gymnastiar, Muhammad Ilham Habibah, Nisrina Rania Habriansyah Basta Nugraha Hadi Suyono Hadi Suyono Hadi Suyono Hadi Suyono Hadi Suyono Handani, Galuh Prawestri Citra Handari, Yosi Dwi Handoyono, Tito Tri Harfin Pratama Hari Santoso Hari Santoso Haris Altamira Harry Soekotjo Dachlan Hasbih, Dzikra Syalmaulana Hatorangan, Orlando Hazlie Mokhlis Hazlie Mokhlis Hendrik Kenedy Tupan Heru Purnomo Hery Aprianto Hery Purnomo Hidayat, Ryan Mevi Hikam, Aldi Lutfil Himam, Fanisha Laila Himawan, Achmad Faisal I Nyoman Gde Wardana Ihza Aulia Rahman Ilham Ramadhan Maulana Imam Prakoso Indah Permata Sari Safti Indra Setyawan Irfan Aditya Primanto Irhas, Abiyanu Irvan, Muh. Zulvi Islam, Muhammad Gul E. Ismail Musirin Ismail Musirin Ivan Pascal Al Ghafiky Izzul Islam Putra Nusantara Jacob Jonas Rikumahu Jeki Saputra Johanis Tupalessy Khairudin Syah Khoirul Herman Pambudi Khusnul Hidayat Koko Sasmito Kristo Radion Purba Kurniawan, Muh Alif Deby Lalu Riza Aliyan Lalu Riza Aliyan Latif, Nabila Fauziah Lestariyanto, Arthur Rahmad Lilik J. Awalin Lintang Gadis Ratu Rachellya Liza Putri Dafroni Lunde Ardhenta Luthfan Akbar Azizan Firdaos M Fauzan Edy Purnomo M. Arie Hendro Tri Hartomo M. Azis Muslim M. Aziz Muslim M. Aziz Muslim M. Aziz Muslim M. Dhia Ul Falah Mahfudz Shidiq Mamdouh Abdel-Akher Mardotillah, Nanda Azizah Markus D. Letik Maulana, Eka Maynaki, Erlangga Rizky Moch Dhofir Moch Dhofir Moch. Dhofir Moch. Dhofir Moch. Dhofir Mochammad Muchlis Triwahyudi Moh. Farid Rahman Mohamad Najib Priyo Prakoso Mohamed Zellagui Mohammad Agus Salim Mohammad Salman Abdurrohim Mokhammad Hasyim Asy’ari Mu'ammar Faris L. Muamar, Muhammad Fajar Arif Muchammad Ali Mudjirahardjo, Panca Mugni Labib Edypoerwa Muhamad Hazim Lokman Muhammad Amienullah Nisful Habibie MUHAMMAD ASYROF Muhammad Aziz Muslim Muhammad Aziz Muslim Muhammad Fadillah Kurniawan Muhammad Fauzan Edy Purnomo Muhammad Ghilmanuddin S. Muhammad Husin Muhammad Rahmatullah Al-Qaedi Muhammad Ridho Ansyari Muhammad Rifqi Nur Sabilillah Muhammad Rizky Wira Utomo Muhammad Sholikhin Muhammad Syarifuddin Anshor Muhammad Syukri Abdul Jalil Muharrama Ahsani Taqwim Mukti Friyan Aditama Musa Khairul Umam Musirin, Ismail Bin Muslimin Muslimin Mutia Tsari n/a Hariyono n/a Nurussa'adah n/a Soeprapto Nadhea Primasetya Nanang Sulistiyanto Naufal, Taqiyyuddin Fikri Nico Gautama Ginting Nisrina Rania Habibah Norzanah Rosmin Nur Rahma Dona Nur Sabilillah, Muhammad Rifqi Nur Vidya Ramadhani Nurhakiki, Mauludiya Annisa Nurizza Salsa Alafia Nurussa'adah, n/a Nurussa’adah, n/a Nurwati, Tri Onny Setyawati Pangaribuan, Hesekiel Enrico Paramita Dwi Putri Pranyata Pausta Yugianus Pegy Lestari Pieter S. Tatipikalawan Prabowo, Muhamad Romadhani Pradipta, Doni Prasetio, Dedi Prasetyanto, Andi Wahyu Purnomo Budi S. Purnomo, Purnomo Putera, R. P. Ravie O. Mucheyz Putra, Ade Mahendra Darma Putra, Hari Widagdo Putra, I Made Alit Antara Putri P., Paramita Dwi R. A. Setyawan Rachman Shandy Pratama Rahardjo, Muhammad Farid Rahmawati, Utari Tri Rakhmad Ramadhan Ramadhan Khansa Akbari Ramadhani Kurniawan Subroto Raymond Abdul Aziz Ash Shidiq WR Rendy Ardiansyah Resi Dwi Jayanti Kartika Sari Ridhwan Athaya P. Ridlwan, Asfarur Rifka Agustina Kusuma Pratiwi Rifki, Mohammad Ya’kub Rizal Rifqy, Achmad Radifan Riko Nur Akbar Risnugroho, Brian Rizki Mendung Ariefianto Rizki Mendung Ariefianto Rizki Tirta Nugraha Rizki, Fahrina Novia Rizky Adhiputra Wallad RIZKY ARDIANSYAH Rizqi Taufiqurrahman Rizqi Wahyu Rahmariadi Rizqiyatullah, Muhammad Rafli Rosihan Arby Harahap Rudi Hariyanto Rusli, Mochammad Saiful Izwan Suliman Salim, Natasha Bella Santoso, Asfari Hariz Saputra, Didit Sugeng Septi Uliyani Septian Kevin Aditama Setiawan, Aditya Bagus Sharifah Azma Syed Mustafa Shidqi, Fahruddin Shufinah, Syahla Siagian, Alfandri Sidik Nurcahyo Sigi Syah Wibowo Simanjuntak, Gladys Nathania Sintha Dwiferma Br Sinurat Siregar, Sun Fransisco Siswandi, Wawan Soeprapto - Soeprapto Soeprapto Sofiatus Solihah Soleman Sesa Soleman Sesa, Soleman Subroto, Ramadhani Kurniawan Suci Imani Putri Suparman Suparman Surya Adi Purwanto SUTEJA, RAI PRAMESTI Suyono, Hadi Syarif, Habib Tajuddin, Mohammad Faridun Naim Taufik Taufik Taufik Taufik Taufik Taufiqurrohman, Raden Muhammad Naufal Andi Teguh Utomo Teguh Utomo teub elektro teub Tole Sutikno Tri Nurwati Tri Nurwati Tri Wahyu Prabowo Tumpak Samosir Ullin Dwi Fajri A. Unggul Wibawa Unggul Wibawa Victor Andrean Vita Kusumasari Wahyu Nur Firdausy Wardani, Alya Kusuma Wardhana, Anak Agung Sagung Gede Paramitha Waru Djuriatno Waru Djuriatno Welly Hagata Kembaren Widyananda, Eka Putra Widyananda., Putra Wijaya, Rizki Adi Wijono Wijono Wijono Wijono, n/a Wildan Alfi Syahri Wiwied Putra Perdana Yosep Agus Pranoto Yosi Dwi Handari Zainul Abidin ZAINUL ABIDIN Zainuri, Akhmad Zamrud Kurnia Prasetyo Zuhdi, Fadhil Ariq