That is a great story! Love them tractors!

That's interesting about the "spike" capacity in the rotary inverter. 

On Sun, Dec 25, 2022 at 1:54 PM Chris Zach via Elec-trak <elec-trak@cosmos.phy.tufts.edu> wrote:
So..... On the 23rd the power went off here at about 11am. This sucked
as the winds were at 60mph and temps were at 35 and dropping by the
minute towards zero. No clue as to when the power would come back so it
was going to be a race against time to keep the radiant heat pipes from
freezing during the night....

Ran extension cords from tractor to house and got ready. Brought some
100ah batteries and 17ah batteries from the Robomower in for inverter
power for my fireplace insert. With that in place I fired up the insert,
ran it hot, and used the batteries to run the fans to keep the house warm.

Nightfall came and I decided to try firing up the heat system. I have
hot water radiant fired by gas, but the system needs power for the 3
Taco circulation pumps and they're pretty good sized. About 200 watts to
keep them running but a large current to get them going....

And of course my 1500/3000 watt inverter exploded when I plugged it in
earlier today. These things happen, so I was down to a 1000 watt backup
inverter.

First I tried to start the pump motors with the 1000 watt inverter. No
dice, it could not start them. So I plugged in the 900 watt rotary
inverter to the E20 and sure enough the motors came up one by one. Heat
had returned!

Ran it for about two hours to heat the whole house, then stopped to
check status: The tractor was fine, wires were cool, and the batteries
were getting low, but still worked even in the 0 degree F cold and 60
mph winds. Thus the kids and I played monopoly with lights on downstairs
(battery inverters) until 10pm when I went out, turned off the inverter,
let things quiet down.

So.... The E20's rotary inverter is good to have. Even though it's only
900 or so watts it has the torque to start the big motors and keep them
going. Glad to have it!

Chris

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