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EVLN: Tesla Patents> Methodology for charging batteries safely

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EVLN: Tesla Patents> Methodology for charging batteries safely

brucedp
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http://insideevs.com/teslas-latest-patent-methodology-charging-batteries-safely/
Tesla’s Latest Patent Is For A “Methodology For Charging Batteries Safely”
20170408  Eric Loveday

[image
http://insideevs.com/wp-content/uploads/2014/01/tesla-charging.jpg
Tesla Model S
]

One of Tesla’s latest patents focuses on a topic that we had thought was already taken care of…safely charging batteries.

Apparently, Tesla thinks charging can be done more safely with the use of a fault-detection apparatus.

Here’s the brief from the patent filing (which contains a wicked run-on sentence):

    Methodology for charging batteries safely

    “An apparatus and method for identifying a presence of a short circuit in a battery pack.

    A fault-detection apparatus for a charging system that rapidly charges a collection of interconnected lithium ion battery cells, the safety system includes a data-acquisition system for receiving a set of data parameters from the collection while the charging system is actively charging the collection; a monitoring system evaluating the set of data parameters to identify a set of anomalous conditions; and a controller comparing the set of anomalous conditions against a set of predetermined profiles indicative of an internal short in one or more cells of the collection, the controller establishing an internal-short state for the collection when the comparing has a predetermined relationship to the set of predetermined profiles.”

Safety is always priority #1, so it makes sense to focus on charging as safely as possible, but with only a few documented incidents with electric vehicle while charging, we had thought a high level of safety had already been achieved.

However, Tesla believes there’s room here to increase safety to the next level and we applaud the automaker for its efforts.
[© 2017 MOTORSPORT NETWORK]



http://www.freshpatents.com/-dt20170316ptan20170074918.php
Methodology for charging batteries safely
An apparatus and method for identifying a presence of a short circuit in a battery pack. A fault-detection apparatus for a charging system that rapidly charges a collection of interconnected lithium ion battery cells, the safety system includes a data-acquisition system for receiving a set of data parameters from the collection while the charging system is actively charging the collection; a monitoring system evaluating the set of data parameters to identify a set of...
http://images1.freshpatents.com/imageviewer/20170074918-p20170074918




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