Thursday, September 22, 2016

Re: [Electric Boats] newbie charging question

 

Hannu,
My thoughts on the solar panels was that smaller panels are more robust with more structural support to stand up to a storm. What is your experience with the panels in high winds/high seas?
Also, was considering flexible mono-crystalline panels to reduce weight above the waterline, especially in a bimini type setup.
Five 100w panels in series is the minimum configuration with the MPPT buck charger to a 48V system for most of the usable day. Only 4 panels would make the MPPT much less effective.

--------------------------------------------
On Thu, 9/22/16, Hannu Venermo gcode.fi@gmail.com [electricboats] <electricboats@yahoogroups.com> wrote:

Subject: Re: [Electric Boats] newbie charging question
To: electricboats@yahoogroups.com
Date: Thursday, September 22, 2016, 4:55 AM
Highly recommend rethink re panel size.
Bigger panels are much more efficient due to losses

Biggest possible panel in watts == best.

So, a 330W panel vs 4 x 100, for 400W, the single panel will
probably

produce quite a bit more power, in the real world.

And higher voltage = better.

On 21/09/2016 01:14, fumelesssailor@yahoo.com
[electricboats] wrote:

> planning on 5x100w solar panels in series feeding a

> Victron BlueSolar 150/35.
--

-hanermo (cnc designs)













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