Wire Gauge Required Question
For some reason I just can't understand the various wire gauge tables, and I have tried to, so I am hoping somebody will take pity and do all the work! :) One table that I can follow says that for...
Forum Discussion
BFL13 wrote:
Mex makes a good point about the context where small losses matter. I think you can be a bit more sloppy when camping for a couple weeks in an RV, but still, you don't want to waste good solar coming in.
Depends on how much you want/can lose. Mex is using annual KWH because he is living there permanently. I was using daily AH because living there seasonally, and tried to stay within 2.5 AH loss a day.
BFL13 wrote:
PT, you are the one who says voltage drop array-controller does not matter for PWM 12v, but it does matter a lot for MPPT 24v.
If he says, then it is :)
However, voltage drop does not matter - too much - for MPPT with 24V array. Whatever voltage over 14.4 you feed into MPPT, it will down-convert extra V into extra A. Less extra volts to convert = less extra AH and WH. As long as it is 14.4 on the battery end, it will work.
