Charging panic - Renault Z.E. Forum
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post #1 of 2 (permalink) Old 07-18-2014, 03:22 AM Thread Starter
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Join Date: Jan 2014
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Charging panic

Went to bed last night with car down to 5 miles so plugged in. You may have noticed we had a terrific thunderstorm during the night. Woken by the noise and flashing I started to panic, wondering how protected our cars are against damage from such a thing.

This morning I've received several notifications about start of charge (absence of end messages though) and ZE Services is not functioning. Checked the car, looks like 95% full (thank goodness) but declares 3.5 hours left to charge. I guess that's down to the Renault computer not functioning?
william is offline  
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post #2 of 2 (permalink) Old 07-18-2014, 06:39 AM
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RE: Charging panic

Well, there will be transient suppression in the charger and interface circuits, but they only soak up a finite energy pulse. If the energy capacity of the TVS components is exceeded and you get excess voltage on the buck-boost rails, yes, you could destroy the charger.

I'm sure it will cope with most thunderstorms, but I would, generally, avoid plugging in in such conditions. If your charger isn't broken after the thunderstorm, then it isn't broken.
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