Good points made, Karl...esp the one about every btu reduces the load on the
backup water heater. My takeaway from that is that even if the Dawn system
can only preheat water for the main heater, that's still something. I assume
that the solar fraction could never reach 100%, but that's often the
Bill,
I looked into this several years ago, and I was able to get some digitized
I-V data. I can't find that now (but I will). The data supports my claim.
Let's take the simplest case (constant cell temperature) and what was a
fairly popular PV module: Kyocera's KC200GT. Although it is a little
Peter Parrish wrote:
Bill,
I looked into this several years ago, and I was able to get some digitized
I-V data. I can't find that now (but I will). The data supports my claim.
Vmp does change with irradiance. It just changes very little. Depends
on your definition of change I guess.
This thread seems to have died ... somehow it got mixed in with the
strings of different orientation thread. If anyone has further
input I would very much appreciate it as I have to schedule a long
trip to remedy this and want to have as much ammunition as possible.
Again, to restate the
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