2kw and cheap are not compatible. If you can survive with a few hundred watts, go to circuitspecialists.com and look for dc electronic loads. I have two of these at packetflux we use for similar purposes.
There are also quite a few build it yourself projects. These require lots of heatsinking and cooling and I haven't found any which seem as stable as the commercial ones. If you are set on 2kw, I'll try to find one which may work. On Dec 31, 2014 12:11 PM, "TJ Trout via Af" <af@afmug.com> wrote: > Anyone know of a inexpensive do it yourself way to make a dc constant > current electric load for testing power supplies, lithium batteries , etc ? > Looking for something maybe 2kw+ and the cheapest premade thing I can find > is $3500. Maybe I'll just use a carbon pile load but that will be much less > accurate. >
