Wireless Charging Berbasis Inductive Coupling Untuk Gadget = Wireless Charging Based On Inductive Coupling for Gadget

Gani, Juan Michael Kane (2022) Wireless Charging Berbasis Inductive Coupling Untuk Gadget = Wireless Charging Based On Inductive Coupling for Gadget. Bachelor thesis, Universitas Pelita Harapan.

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Abstract

Penelitian ini meliputi perancangan dan pembutan sebuah alat wireless charging berbasis inductive coupling untuk mengisi daya pada Gadget. Alat wireless charging ini menggunakan sistem non-radiative atau transfer daya secara near-field dan tidak menggunakan perantara berupa kabel atau konduktor untuk menghantarkan listrik dari sumber ke beban. Alat wireless charging ini terdiri atas 2 sirkuit yaitu sirkuit transmitter dan receiver. Di sirkuit transmitter, diberikan sebuah sumber tegangan DC dari sebuah sumber daya AC sebesar 220 V AC yang telah diubah melalui bridge rectifier dan diregulasi oleh modul Buck Converter LM2596. Transistor BD139 berfungsi sebagai osilator dan mengubah listrik DC menjadi listrik AC dengan frekuensi tinggi. Listrik AC diteruskan ke koil transmitter dan menghasilkan sebuah medan magnetik yang berosilasi dengan frekuensi sebesar 975.8 kHz. Saat medan magnetik berosilasi, terjadi kopling induktif antara koil transmitter dan receiver dan melalui flux magnetik sehingga terjadi perpindahan daya dari sirkuit transmitter menuju receiver. Untuk mencapai transfer daya yang maksimum, frekuensi harus berada di puncak resonansi receiver sehingga kapasitor yang digunakan di sirkuit receiver harus tepat. Setelah koil receiver menerima aliran daya dari koil transmitter, listrik AC dengan frekuensi tinggi diubah menjadi listrik DC dengan fullwave rectifier yang terdiri dari dioda 1N5819. Output listrik DC mengalami proses filtering ripple residue oleh kapasitor dan diteruskan ke sebuah port USB type-A yang kemudian diteruskan ke gadget untuk melakukan proses charging. Dari percobaan yang dilakukan, daya maksimal yang diberikan ke smartphone sebesar 0.904 W dengan tegangan beban sebesar 4.59 V dan arus beban sebesar 0.2 A. / This research design and construct a wireless charging device based on inductive coupling for charging on Robot Sumo UPH. This wireless charging device uses non-radiative system or near-field power transfer and doesn’t use any cable or conductor to transfer electricity. This wireless charging device consists of 2 circuit which is the transmitter and receiver circuit. On transmitter circuit, it is given an input supply of 15 V DC from an AC power source of 220 V AC that has been converted through bridge rectifier. BD139 transistor functions as oscillator and converts DC current into AC current with high frequency. AC current is transferred to transmitter coil and produce magnetic field that oscillates with frequency of 975 kHz. When magnetic field oscillates, there is inductive coupling between transmitter and receiver coil and through magnetic flux that enable power transfer from transmitter to receiver coil. To achieve maximum power transfer, frequency must be at the peak of receiver resonance so the capacitor that will be used in receiver circuit must be precise. After receiver coil receive AC current from transmitter coil, the AC current with high frequency is converted into DC current with fullwave rectifier that consists of 1N5819 diodas. Capacitor used to filter any ripple residue from DC current and the output is forwarded to USB type-A port to be used to charge the gadget. From the result of the experiment, the maximum power delivered to smartphone is 0.904 W with load voltage of 4.59 V and load current of 0.2 A.

Item Type: Thesis (Bachelor)
Creators:
CreatorsNIMEmail
Gani, Juan Michael KaneNIM01032180021juanmichael.gani@gmail.com
Contributors:
ContributionContributorsNIDN/NIDKEmail
Thesis advisorUranus, Henri PutraNIDN0302126304UNSPECIFIED
Uncontrolled Keywords: Wireless charging; Gadget; Switching; Transistor bd139; Frekuensi resonasi; Modul lm2596; Dioda 1n5819; Resonansi magnetik
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: University Subject > Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Electrical Engineering
Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Electrical Engineering
Depositing User: Users 9200 not found.
Date Deposited: 31 Jan 2022 13:26
Last Modified: 14 Feb 2022 06:50
URI: http://repository.uph.edu/id/eprint/45204

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