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Re: (ET) Trace Inverter mounting on ET
The Trace part numbers indicate the power output, then the voltage input -
so the Model 1524 is a 1500W output power and 24V input power.
I also bought a Trace 3624 inverter - same physical size, same 24V input
but
3600W output, but haven't needed to hook it up yet. The 1500W output
rating
must be conservative. Also the Trace puts out a modified sinewave and has
very beefy power electronics - must be very good to run household
appliances
in a solar powered home.
I've had no problems with the Trace and they appear to be very well built.
However, it is putting a non-uniform load on the 36V tractor batteries -
just like using the lifts on 18V. But if you are doing a lot of Inverter
work instead of regular ET work - it makes a great power cart and will
supply a lot more power than use can use in a days work :)
I have designed wiring diagrams for the E-20 'project ET' to use six 8V
golf
cart batteries for a 48V system with a 48V speed controller I bought years
back from 4QD. When the tractor is turned off - a couple of contactors
reconnect the series batteries into two parallel 24V stacks. I wanted to
not only use all the batteries with the Trace Inverter, but also to use the
Trace built in smart battery charger - which is 24V just like the input
requirement. I also was going to try to mount the Trace Inverter under the
front hood, on hinges - so I could still access the front batteries. I was
going to mount the 120VAC outlets on the right side similar to the left
side
36V PTO outputs. Unresolved problems were - main PTO output voltage (40?),
front and rear lift voltages (16?). I was also planning to allow the
inverter to run on half the pack while the tractor was operating to get
120VAC accessories - such as 120VAC Halogen headlights :)
I haven't had any time lately to work on the project tractor.
Monty
----- Original Message -----
From: "Chris Zach" <czach computer org>
To: "Monty McGraw" <mmcgraw74 hotmail com>
Cc: <elec-trak cosmos phy tufts edu>
Sent: Saturday, May 01, 2004 2:59 PM
Subject: Re: (ET) Trace Inverter mounting on ET
> Really, you can run a chainsaw on a 1524?
>
> Usually what I do is drag around an APC BackUPS 1200VX in the weight box
> on the back of the tractor. It's a 1200 VA (about a thousand watt) UPS
> with a pair of Hawker Genesis 24 volt batteries in the bottom.
>
> Overall it runs most things, but the chainsaw overloads it in about 30
> seconds. Maybe it's the power factor (Sears 14 inch chainsaw) when I
> drag my APC Matrix UPS (3000 watt with a massive transformer in the
> bottom) it will happily chew the saw for an hour with the XR pack.
>
> Maybe they make a 1536?
>
> Chris
>
>
> Monty McGraw wrote:
>
> > Dave,
> >
> > I have a Trace 1524 - same size as 3624 that I've used quite
successfully
> > with my I-5.
> >
> > I put it in a Sears garden tractor tool-bin, that I've attached to the
back
> > of the ET. I put in a cutoff switch inside the tool bin - for a safety
> > disconnect, and wired the inverter to the four rear batteries.
> >
> > In use, with the tractor parked, I prop open the lid of the tool-bin so
the
> > inverter gets some air circulation, push the inverter power button,
> > plug
> > into a receptacle box I wired to the inverter output, and chainsaw
> > away.
> >
> > My I-5 actually has a small Anderson connector bolted to the rear of
> > the
> > right fender - but it is currently wired for full 36V. If I rewire
> > that
> > connector, I'll be able to make the inverter a pluggable option for my
ET.
> >
> > No problem running my Husquvarna Electric Chainsaw :)
> >
> > Monty McGraw
> > Spring, TX
> > working I-5
> > one I-5 and E-20 that need work
> > Electric '88 Pontiac Fiero GT
> > Electric Postal Van
> >
> > ----- Original Message -----
> > From: "daveb" <daveb seanet com>
> > To: "Chris Zach" <czach computer org>; "Markus Lorch" <mlorch vt edu>
> > Cc: <Elec-trak cosmos phy tufts edu>
> > Sent: Friday, April 30, 2004 9:52 AM
> > Subject: Re: (ET) PV powered ET more questions
> >
> >
> >
> >>Chris,
> >>
> >>Is the trace DR3624 small enough to be mounted on the e-trac? I've
> >>been
> >>looking for an inverter that I could mount on the e-trac to run a 110v
> >>chainsaw out in the "north 40". maybe this is it?
> >>
> >>thanks
> >>dave
> >>
> >>--
> >>Open WebMail Project (http://openwebmail.org)
> >>
> >>
> >>---------- Original Message -----------
> >>From: Chris Zach <czach computer org>
> >>To: Markus Lorch <mlorch vt edu>
> >>Cc: Elec-trak cosmos phy tufts edu
> >>Sent: Thu, 29 Apr 2004 22:25:25 -0400
> >>Subject: Re: (ET) PV powered ET more questions
> >>
> >>
> >>>Um no.
> >>>
> >>>If the higher capacity batteries are in series with the low capacity
> >>>ones and you run the charger, what will happen? Either you will boil
> >>>and overcharge the lower ones to charge up the higher ones, or you
> >>>will
> >>>never fully charge the higher capacity batteries.
> >>>
> >>>The "right" solution is a 36 volt inverter. If you're only going to
> >>>use
> >>>a little bit of power, then a 24 volt (better) or a 12 volt could
> >>>*do*.
> >>>However two of your batteries will be out of sync on charging, and
> >>>you'll still wind up overcharging some batteries on the pack to get
> >>>everything back in sync.
> >>>
> >>>Get a Trace DR3624. You'll have 3,600 watts of power, and it will
> >>>pull the pack down evenly. With that you should be able to run
anything.
> >>>Chainsaw, etc.
> >>>
> >>>Chris
> >>>
> >>>Markus Lorch wrote:
> >>>
> >>>
> >>>>>This is so I can use Solar PV to charge my batteries,
> >>>>>carry a small inverter on the ET to run a small
> >>>>>commercial inverter for string trimmers and electric
> >>>>>chain saws (Price Club/CostoCo had a nice deal on
> >>>>>1.75kw Xantrex inverters)
> >>>>>(and run the fridge, a radio and a couple of lights in
> >>>>>a pinch.) (There are a LOT of trees hanging over a LOT
> >>>>>of electric lines anywhere I drive, many more than
> >>>>>10-15 degrees past vertical)
> >>>>
> >>>>
> >>>>The previous owner of my E20 has put two larger (higher capacity)
> >>>>batteries in my elec-trak. These drive the 12V components. I also
> >>>>have a 300W inverter hooked up (cheap $20) to which I connect my
> >>>>small electric trimmer. It worked fine all afternoon yesterday.
> >>>>
> >>>>Maybe you can also have two batteries be larger?
> >>>>
> >>>>see my other post on chargers.
> >>>>
> >>>>Markus
> >>>>
> >>>>
> >>>>_______________________________________________
> >>>>Elec-trak mailing list
> >>>>Elec-trak cosmos phy tufts edu
> >>>>https://cosmos.phy.tufts.edu/mailman/listinfo/elec-trak
> >>>>
> >>>>
> >>>
> >>>_______________________________________________
> >>>Elec-trak mailing list
> >>>Elec-trak cosmos phy tufts edu
> >>>https://cosmos.phy.tufts.edu/mailman/listinfo/elec-trak
> >>
> >>------- End of Original Message -------
> >>
> >>
> >>_______________________________________________
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> >>Elec-trak cosmos phy tufts edu
> >>https://cosmos.phy.tufts.edu/mailman/listinfo/elec-trak
> >>
> >
> >
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