Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1995-01-11
1996-07-23
Wong, Peter S.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 21, H02J 700
Patent
active
055392962
ABSTRACT:
A battery charging method and system are provided which are applicable to battery-powered vehicles. According to the charging system of the invention, there is provided a primary charger including a primary winding which is connectable with a source of charging alternating current at a charging station. There are also provided at least two secondary chargers each connected with a battery on each vehicle and including a secondary winding having a number of winding turns which is different from that of the winding of the other secondary charger. Transfer of electrical energy from the primary charger to the secondary chargers is accomplished by inductively coupling the primary winding with any selected one of the secondary windings, as a result of which a voltage, the magnitude of which is dependent on the turns ratio between the primary and secondary windings, is produced across the selected secondary winding.
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Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
Krishnan Aditya
Wong Peter S.
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