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Journal : International Journal of Electrical and Computer Engineering

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.
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