Channeling Ross Perot

I have Charts and Graphs…

Midnight to 6am shown above. The battery (top chart) shows a constant drain based upon (SOC) State of Charge [essentially a fuel gauge].

The bottom chart is my draw from the batteries. It shows a minimum of about 120 watts and a maximum of about 360 watts.

Since there are only computers and a fan on overnight, you would expect a flat line. However the story can no be told…

I have a deep freeze and a refrigerator. One appears to be on a 15 minute cycle and the other about an hour cycle.

Since there is no other cycling in the house, it appears both use about 50 or 60 watts each.

In that chart, I cut the last bottom line off but it is a cycle count of how many cycles the batteries have been through (77 and 78).

At the moment, I am not getting any solar input so I cut that part off the screen. The batteries are supplying 302 watts, they are at 59% charge and at 52.3 VDC.

The controller is supplying 256 watts to the house (so there is about a 50 watt conversion loss from batteries through the inverter, which is pretty low.

At the moment, my Line 1 and Line 2 loads are about balanced at 125 watts and 132 watts. IN many homes you have ‘split phase’ electric. Two separate 120 volt services (L1 and L2) come into the house and are of opposite phases. Between the two you get 240 volts which is used for water heaters, stoves, dryers (or is it driers? – tomato/to- matto). Anyway that is why those devices need a dual breaker because those devices use both L1 and L2 lines. (I kinda sneak in a bit of learning on you sometimes).

At the bottom of the chart is data about how my two batteries are doing. I hope to get the third one attached soon, but have been doing OK without it at the moment.

I am now at 1/3 the energy usage I was a few months ago and with the third battery can reduce or almost eliminate the need to sometimes charge the batteries from the utility.