DIY Solar Power Forum

Hi Gurus,

I was wondering if anyone have experience with center tapping in solar panel system to direct power DC loads.

Let say if u have a series strings of 7 panel (40VDC each) that feed a inverter at 280VDC. What would happen if I center tap it at 160V to run a DC well pump. What issues would I run into?

For a first, full string power pr...

If the issues for FCC regulations was in part advertise to secure?
Why not just do away with it and open source it on Githib and create a USB update system?
Or allow USB/C from phones to patch the download as well.

I say Github, because lets face it, even a sites downloads can be manipulated.
But Github could allow two things.
1. Allow it to...

I recently installed a CountryMod 12 volt 10K btu roof top Air Conditioner to our 34' Catamaran. It replaced a 120 volt 10K btu window unit. We are in the Florida keys and the summer has been hot. Our system consists of 1860W of solar in four arrays, two standard ridged panel arrays, a flex panel array and a movable solar blanket. All victron components except batteries, those a...

Renogy ShadowFlux Solar Panels 200 Watt, N-Type 2PCS $220 @ Amazon​ https://www....

I'm trying to get a realistic idea of my lv6548 inverters heat output

It seems most people consider the unit to be about 90-92% efficient. So I guess I could say that for simplicity's sake, that each unit at full boar would be producing 650w of heat

So with four of them running the heat is about 2600 watts of heat

But how do you calculate ...