Hi,
Quote:
Originally Posted by bourgeog
. . .
I am also a bit apprehensive about the 550V in the Prius compared to about 150V for HCH. Just wondering how safe this would be if ever the live of the battery would ever come in contact with the car chassis if ever the vehicle was involved in an accident or something.
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I know the Prius has redundant systems including an aggressive, ground-fault isolation circuit and dual-relays to 'safe' the battery in an accident.
NOTE: the NHW20 Prius has a 200 VDC battery pack and the 500VAC occurs only via a voltage doubler in the inverter and cables feeding the motor generators. The higher voltage provides more power at higher rpms.
Quote:
Originally Posted by bourgeog
. . . I have another concern though that I can’t seem to find much info on and that is EMF levels. During the test drive I plan to measure EMF levels in different parts of the vehicles to see if any levels are detectable and over the 2.5 mG safety levels stated by the USA Environmental Protection Agency.
Any thoughts on this? . . .
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Over in Prius_Technical_Stuff we had someone with a pace-maker who shared a similar concern. His testing found the levels were all but absent. But by all means, take the measurements and please share them with us.
Bob Wilson