From: Jay Summet <[email protected]>
Date: Tue, 15 Dec 2020 20:05:14 -0500
The reason the DC2DC converter does NOT run all the time is that (for
safety) Nissan has chosen to disconnect the HV battery from the rest of
the car (with contactors inside the main battery) whenever the car is
turned off.
What danger are they concerned with? I would say that most bad things
happen to cars when they are in motion, when you have to have the HV
system on. I suppose if they're concerned with some hobbyist getting
electrocuted while working on the car then their strategy makes sense.
Also perhaps for the maintenance you'd like to shut off the HV system
without shutting off the 12V.
Peri's idea of putting the DC/DC in the HV box seems like an
interesting solution to these problems.
Ken
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