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Old 04-18-2010, 03:41 PM   #3331 (permalink)
MPaulHolmes
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Join Date: Feb 2008
Location: Maricopa, AZ (sort of. Actually outside of town)
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Michael's Electric Beetle - '71 Volkswagen Superbeetle 500000
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Quote:
Originally Posted by jackbauer View Post
ok did a few more tests on the "emergency shutdown" code I received from Paul. If the throttle is at zero and the lem sees 7 amps or over it shuts down and kills the contactor which is great. BUT. If the throttle is even slightly applied , the igbt fails short circuit and the throttle is brought back to zero , the controller continues to operate and the contactor stays closed.
Oh dear... Once the contactor opens, applying throttle should do nothing. No more driving allowed until the next time the power has been cycled. Let me fix that. Do you mean your igbt actually FAILS permanently?! That's horrible!

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