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Old 02-25-2012, 09:48 AM   #289 (permalink)
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Quote:
Originally Posted by Daox View Post
The Prius off PHEV operation will allow the PHEV kit to charge the OEM pack even when the Prius is turned off. This allows you to park the Prius with a partially discharged pack and not have to sit there with the Prius on while the PHEV charges the OEM pack. The PHEV will automatically shut off once the OEM pack has reached a programmed SOC.
I thought it was for safety. The HV relays turn off, so you need to bypass them or activate them independently, correct? I also thought the Prius regulates the rate of charge by dissipating to the engine spin and/or MG2 as much as needed to keep amps within Toyota's spec. The OEM pack is about 0.5 kWh, and I kind of use it to deplete my kit a little more.

Mostly I return home with plenty of Enginer juice left. Probably my voltage cutoff is too low. I usually set the parking brake and leave the kit on while plugging in, cleaning the car interior, kicking mudflap stalactites, and brushing away snow. While driving I would like to find some other way to take advantage of the 50V DC from the kit directly without passing it through the converter, such as heated seats and/or powering an electric defroster directly off the Enginer pack. Maybe four cheap 12V defroster fans "in series", but probably there is no elegant way to mount them.
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