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All Journal International Journal of Electrical and Computer Engineering International Journal of Power Electronics and Drive Systems (IJPEDS) International Journal of Applied Power Engineering (IJAPE) Transmisi: Jurnal Ilmiah Teknik Elektro TELKOMNIKA (Telecommunication Computing Electronics and Control) Indonesian Journal of Electrical Engineering and Informatics (IJEEI) Jurnal Mahasiswa TEUB Jurnal EECCIS Indonesian Journal of Electrical Engineering and Computer Science
Lunde Ardhenta
Departemen Teknik Elektro, Universitas Brawijaya
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering

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Impedance matching and power recovery in response to coil misalignment in wireless power transmission Ardhenta, Lunde; Hodaka, Ichijo; Yamaguchi, Kazuya; Hirata, Takuya
International Journal of Electrical and Computer Engineering (IJECE) Vol 15, No 3: June 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v15i3.pp2556-2566

Abstract

The improper alignment of the coils between the transmitter and receiver has a significant impact on wireless power transfer. If designers carefully calculate the parameters of inductance, capacitance, coupling coefficient, and working frequency and precisely implement these parameters into actual components, the system can optimize power transfer. However, it is evident that such a precise realization is often unachievable. This paper proposes a symbolic condition to maintain significant power despite the misalignment of transmitter and receiver coils. These symbolic conditions constrain parameters by simplifying some variables. This matching condition develops in the inequality of coupling coefficient, working frequency and quality factor, which are a crucial reference for maintaining power transfer. This condition is considered an additional one to the well-known impedance matching condition.
Rancang Bangun ELC (Electronic Load Controller) sebagai Pengendali Beban PLTMH (Pembangkit Listrik Tenaga Mikrohidro) Kali Jari Utomo, Teguh; Ardhenta, Lunde; At Tamimi, Riswandha Yusuf
Jurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems) Vol. 15 No. 2 (2021)
Publisher : Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jeeccis.v15i2.1541

Abstract

Peningkatan kebutuhan listrik dalam rangka peningkatan perkembangan suatu wilayah mengakibatkan peningkatan sumber-sumber tenaga listrik terbarukan. PLTMH merupakan salah satu contoh sumber tenaga listrik terbarukan yang memanfaatkan energi dari laju air dengan kapasitas dibawah 200 kW. Sistem PLTMH diharapkan mampu bekerja secara efisien dan stabil dalam pengendalian beban. Electronic load controller (ELC) merupakan salah satu alat penunjang yang berfungsi pengendali beban generator dalam upaya meningkatkan stabilitas dan effisiensi. Pada penelitian ini metode yang digunakan melalui deteksi frekuensi dan arus yang disebabkan oleh perubahan pada beban utama. Hasil dari deteksi frekuensi dan arus yang didapat diolah menggunakan mikrokontroler arduino untuk pensaklaran komponen switching beban komplemen. Pengujian yang dilakukan menunjukkan pemasangan ELC mampu menjaga kestabilan sistem dengan error dibawah 2% yang masih dapat ditoleransi.
Pengaruh Cahaya Ruang pada Pembangkitan Energi Solar Panel Sari, Sapriesty Nainy; Setyawan, Indra; Ardhenta, Lunde
Jurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems) Vol. 16 No. 2 (2022)
Publisher : Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jeeccis.v16i2.1602

Abstract

Salah satu sumber energi baru dan tetbarukan yang mudah sekali dikembangkan adalah sumber melalui Solar Cell atau lebih dikenal dengan photovoltaic. Solar Cell sendiri pada umumnya hanya mengandalkan cahaya yang dihasilkan oleh matahari sedangkan cahaya tidak hanya dihasilkan oleh matahari saja akan tetapi cahaya yang dihasilkan oleh lampu penerangan ruanganpun bisa dimanfaatkan untuk pemabngkitan energi menggunakan photovoltaic. Dalam makalah ini mencoba Melakukan pembangkitan energi photovoltaic dengan memanfaatkan cahaya ruangan atau harvesting energy dengan media cahaya ruang. Metode penelitian yang digunakan yaitu dengan memanfaatkan papan solar cell dengan spesifikasi 100Wp serta cahaya ruang kerja yang berasal dari gabungan lampu penerangan ruang dengan pantulan sinar matahai. Sebagai data analisis beberapa besaran dilakukan pencatatan secara realtime antara lain besaran tegangan, arus, serta daya yang terbangkitkan oleh solar cell. Selain itu juga besaran intensitas cahaya ruang atau lumens ruang.
Economic Research of Electricity Losses in PLN Due to Theft Differences with Methods Changing MCB and Influencing Measurement in kWh Meter Utomo, Teguh; Ardhenta, Lunde
Jurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems) Vol. 17 No. 1 (2023)
Publisher : Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jeeccis.v17i1.1643

Abstract

Today, there were many cases of theft or infringement of electricity in various ways. This was caused PLN to suffer losses due to the theft of electricity amounting to Rp 1.5 trillion per year. Electrical theft focused on kWh meter there were various kinds, such as by changing the side of the MCB and adding a needle on the kWh meter. The objective of this study were found out the recorded kWh ratio if the installation was installed normally with a modified installation by changing on the MCB side, adding a needle, and comparing the economic value that PLN should had obtained when the kWh meter was installed normally and the kWh meter was changed. The method used in the research for normal measurement as much as 6 times the rotation of the disk and used 5 variations of load ; the measurement by changing the MCB and adding the needle was the same as the normal measurement, only when changing the MCB changes 2 A to 4 A, and when adding the needle, the disk was plugged with a needle. The result showed that the average of error difference between kWh meter that was installed normally with that has been changed on the side of MCB is 0, and kWh meter installed with normal that has been changed add needle equal to -44.1586. The difference in total cost of electricity for one month for normal kWh meter with which has been changed on the MCB side was Rp. 165.914.-, and for the normal kWh meter difference with the added needle of Rp. 58.610.
Co-Authors Adharul Muttaqin Adrian Adam Indrabayu Agus Pracoyo Akiyat, Muhammad Haekal Aldias Rizaldi Alief Aulia Pradika Wijaya Ananda, Andhika Dwi Andy Surya Adi Angela Sembiring Ardi Moh. Yusuf Arghanata Cahya Nugraha Arsy Rahmat Syahbani At Tamimi, Riswandha Yusuf Bagas Azzanazaki Nurbyantoko Bambang Siswojo Banu Hermawan Yuditya Bhawiko, Alekhin Muhammad Azhar Brilian Mukti Alnajib Censa Widianing Mulya Baskara Darryl Octaviyanto Kusputra Dimas Alfian Wahyudi Edypoerwa, Mugni Labib Edypoerwa, Mugni Labib Eka Mardiana Eka Maulana Eka Maulana Maulana Fadhil Ilma Fira Utami Fransiskus X. H. Keraf Gede Teguh Adi Wedangga Genheart Giovanno Daniel King Sitanggang Giofano Gerrenlie Hadi Suyono Hafidh Fadhlir Rahman Haidar Ali Yafie Hery Purnomo Hirata, Takuya Hodaka, Ichijo Ikhsaniyusuf Alfiansyah Putra Indra Setyawan Iqbal Achmad Gautawa Irfan Madani Pratama Ismail Abdan Syakuro Firmansyah Ivan Pascal Al Ghafiky Izzul Islam Putra Nusantara Khatijah Sofia Surya Putri Suharyanto Lalu Iradat Aryadwinata Lucky Nindya Palupi Mahfudz Shidiq Marcelino Dendy Ramadhani Miranda Christine Moch. Dhofir Moch. Dhofir Mochamad Shofwan Rizqulloh Mohammad Fathurrahman Surya Pratama Muhammad Alaudin Tri Kurnia Muhammad Faris Hizrian Muhammad Fathu Nur Hidayat Al Haq Muhammad Fauzan Muhammad Haekal Akiyat Muhammad Mursyid Albanani Muhammad Raihan Hasnul Muhammad Ridho Ansyari Muhammad Rif’at Nor Imami Muhammad Ryan Al Hafidz Muhammad Syukri Abdul Jalil n/a Soeprapto n/a Wijono n/a Wijono Nararya Berlianti Nisrina Rania Habibah Nurwati, Tri Nuzul Aurora Arthagiga Pristian, Candra Adha Rafi Ilham Ramadhani Kurniawan Subroto Refinur Amir Muhammad Ridhwan Athaya P. Rifdillah Zulafa Rini Nur Hasanah Rini Nur Hasanah Riswandha Yusuf At Tamimi Rusli, Mochammad Sabila Nur Fitria Sapriesty Nainy Sari Suyono, Hadi Taufik Miftaks Teguh Utomo Tri Wahyu Prabowo Unggul Wibawa Waru Djuriatno Waru Djuriatno Wijono Wijono Winarno, Totok Wira Raja Sitinjak Yamaguchi, Kazuya Yudhistira Rizal Firmansyah