Multiphase converter auxiliary power reduction
A converter and auxiliary voltage technology, applied in the direction of converter type, high-efficiency power electronic conversion, output power conversion device, etc.
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[0019] Referring to the drawings, wherein like reference numerals designate like parts in the several views, figure 1 A schematic example electrical system 10 is shown having a direct current (DC) device 18 such as the illustrated rechargeable energy storage system (RESS) or a multi-cell battery pack, fuel cell or any other DC powered device. A DC device 18 may be electrically connected to a polyphase alternating current (AC) power source 12 using a charge port (CP) 17 and an AC-DC multi-converter device 14 (labeled AC-DC) of the type described below. AC power source 12 provides multi-phase voltage (VAC) to charging port 17 via cable 13, typically utilizing three phase wires and a fourth neutral / ground wire (not shown). For example, electrical system 10 may be embodied as or may be an integral part of a plug-in vehicle, wherein charging port 17 may be plugged into a wall outlet or charging station to charge DC device 18 when the vehicle is idling.
[0020] An AC-DC multi-conv...
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