36 volt inverters [RE-wrenches]

[Christopher Freitas - OutBack Power]

>>Windy Dankoff wrote: During the early design phase, Outback was 
>>intending to produce a 36V model, mainly because it would involve little 
>>other than a software adjustment.
>> 
>> Christopher?

Yes - your right, Windy - we have planned to offer a 36vdc version of 
the FX sinewave inverter/charger - if you look on our control board 
there is even a jumper position to select it.  The input range on the 24 
vdc unit is very broad actually - I know it will run at 36 vdc but am 
not sure of the performance/efficiency. I think the main issue for the 
FX2024 is just stress on some of the internal filter capacitors or 
something similar. 

36 vdc (also called 42 vdc which is the "float condition" voltage) will 
be the new standard of large RV / motorcoaches and even boats in the 
future.  There are already prototype long haul trucks at the big shows 
with all 36 vdc electrical systems - only the lighter outlet in the dash 
is 12 vdc which comes from a DC-DC converter off the 36 vdc battery 
pack.  One prototype does not even have a single incadescent bulb in the 
entire truck - everything is HID or LED lamps.  

Many of the manufacturers are not planning to power much of the loads 
off of the 36 vdc battery directly - they plan on using an inverter to 
power the heating/cooling and entertainment/convienence items instead.  

I will check with Greg here at OutBack and will post another reply as to 
the timeframe of a 36 vdc version.   

Christopher Freitas
OutBack Power Systems, Inc.
cfreitas at outbackpower.com  www.outbackpower.com
Tel 360 435 6030  Arlington WA USA

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