Controlling batteries for electric bus
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United States of America Patent
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Aug 29, 2017
Issued Date -
N/A
app pub date -
Oct 1, 2014
filing date -
Mar 26, 2014
priority date (Note) -
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Abstract
An onboard charging system for an electric vehicle is configured to communicate with a power supply through exchange of control signals on a power supply line by modulating a charging current being supplied to the charging system. The charging system is capable of communicating fault and battery parameter data to the power supply, as well as a requested charging current used to regulate the power supply output. The power supply may convert high voltage AC power into a controllable DC output supplied directly to the electric vehicle, thereby providing a convenient means for the vehicle to initiate charging during operations. Connection between the electric vehicle and the power supply may be effected using an extendible and retractable electrical connection, such as a mechanical pantograph.
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