Measuring EV Efficiency

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June 11, 2013

Sometimes industry standards don’t make sense. It may be a requirement by a specific industry (specs for some connectors come to mind), obscure specifications (such as GM’s long-lived wheel arch clearance for extreme snow), and sometimes it’s a federal requirement created to provide a measure of something technical (I think…

Don’t Forget About System Efficiency

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April 4, 2013

As engineers, we can be obsessed with solving problems. If a circuit doesn’t work right, we debug it to find the root cause. If a component fails, we look for the root cause to prevent future failures. If you are given a specific improvement to make in a product, you…

Connecting EV Batteries

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March 18, 2013

You may have seen some of my previous blogs regarding Lithium batteries. In my blog Lithium Battery Fires Why I highlighted some of the various fires that have occurred in the last few years. In blogs {doclink 259971} and The Care and Feeding of a Lithium Battery I discuss some…

The Care and Feeding of a Lithium Battery

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February 27, 2013

You have probably been hearing a little about Lithium Ion battery fires as of late. Boeing has gotten a lot of press for it lately. In my blog I highlighted some of the various fires that have occurred in the last few years. Only some of these fires can be…