RANGKAIAN PENGISI DAYA ULANG (RECHARGER) UNTUK INDUCTIVE CHARGER

Anggraini, Dewi (2014) RANGKAIAN PENGISI DAYA ULANG (RECHARGER) UNTUK INDUCTIVE CHARGER. Other thesis, Politeknik Negeri Sriwijaya.

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Abstract

ABSTRACT RECHARGER CIRCUIT FOR INDUCTIVE CHARGER ________________________________________ DEWI ANGGRAINI Li-po battery that used for inductive charger is secondary battery and the electrical characteristic discontinue so needs to recharge. The principle of recharge is reverses the chemical reactions that occur during discharge or when used. Li-po battery that used has a voltage of 7,4 volt and a capacity of 4000 mAh. Recharge battery needs a recharger circuit that uses step down transformer as decrease AC voltage, then rectifired to DC voltage using bridge diode and the voltage stabilized using IC LM 317 which the Vout can be set suitable that need using variable resistor. Li-po battery recharge occurs in two conditions, recharge and recharge while charging. When recharge time, the battery charge takes around 5 hours before the battery reaches a constant voltage of 7.4 volts and every hour there is an increase voltage of ± 0.67 volts, while recharge and charging takes around 7 hours and every hour there is an increase charging voltage of ± 0.24 volts in the first three hours and ± 0.67 volts in the next of 4 hours due to the first off three time from of phone battery capacity conditions have been met 100%, so that in the next 4 hours no more load will be filled by a li-po battery. The difference of battery capacity percentage in charging about 5 hours is 15%. Keywords: recharger, IC LM 317, charging, inductive charger

Item Type:	Thesis (Other)
Uncontrolled Keywords:	recharger, IC LM 317, charging, inductive charger
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Electrical Engineering > Undergraduate Theses
Depositing User:	Mrs Trisni Handayani
Date Deposited:	21 Aug 2015 02:12
Last Modified:	21 Aug 2015 02:12
URI:	http://eprints.polsri.ac.id/id/eprint/133

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