AC/DC Compressor Refrigerators
I was looking at a motorhome that was equipped with an all-electric compressor refrigerator. I have never seen one before in a motorhome. I found a video on the net about the pros and cons of comp...
Forum Discussion
CA Traveler wrote:
The AC power is 108W, 12V is 42W and 24V is 53W. This suggests that the AC power is rather inefficient, but when plugged in most would not care.
Concur !
As mentioned previously, most of these use a Danfoss compressor (the company has been bought and sold a couple of times in the past 10 or so years so I don't know if that brand name is still used) and when running on AC actually use a converter to generate the 12/24VDC (which is more interesting as the DC is actually converted to a variable frequency 3 phase AC current !) This suggests that maybe you should a better 12VDC converter (power supply).
If I boondocked a lot, I would have an invert/charger/transfer switch and I would just leave the refrigerator connected to DC power, via an appropriate fuse.
