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“Why does a car like the Tesla still have old-style fuses?”

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Re: “Why does a car like the Tesla still have old-style fuses?”

#71

Earlier quoted context omitted.

The reason fuses are prohibited in distribution panels for homes and many other types of buildings has nothing to do with the magnitude of the potential overcurrents. The prohibitions on fuses and requirements for circuit breakers exist because experience has shown that occupants will frequently short across rather than replacing blown fuses. The resulting fire and shock hazard endanger not only the occupants but the…

You got it. I looked at a fixer upper house where the mains still had an ancient fuse box. Most of the high draw fuses had old pennies wedged in with a blown fuse. How the place was standing, I don't know!

Well... In some extraordinary cases, shorting is the right thing to do.

http://www.eetimes.com/author.asp?section_id=4&doc_id=128389...

But, still, you need someone who understands what't being done.

Re: “Why does a car like the Tesla still have old-style fuses?”

#72

The response from Kristin Paget at Tesla: "So there’s a few things at play here. For context, I run the Product Security team at Tesla and I’m safety-trained on the HV systems - I’m also working hands-on with a small drive inverter on a hobby project right now. First and foremost, our large drive unit pulls about 1000A at full load, and switching that with silicon is tough. We use a bank of custom IGBTs on each of th…

Why the NDA? Isn't their goal electric vehicle adoption?
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