nuckolls.bob(at)aeroelect
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 Posted: Tue Jan 15, 2013 9:22 am Post subject: Battery spoofer for testing smart charger maintainers |
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At 07:04 PM 1/14/2013, you wrote:
| Quote: | Bob,
Any reason the power supply couldn't be replaced with a couple of batteries (maybe a 6V and a 12V) and a rheostat of sufficient capacity? For those of us who don't have a large enough bench power supply.
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Sure. The goal is to provide an adjustable current 'sink'
that can be made to look like a battery that's accepting
a charge. The resistor-lamps 'load' needs to draw only
a tad more current than the rating of the SCM. What
ever source of power you use to drag it over a 10-15
volt range is up for grabs. There are dozens of ways
to do it.
I would encourage everyone to acquire some form of
bench test power supply . . . 3A is sort of a minimum
10A is really capable of running everything but pitot
heaters.
Marlin P Jones has a nice selection which you can view
at mpja.com and doing a search on 'bench power supply'.
eBay has some attractive options in new and used
power supplies. If anyone is attracted to an eBay
offering and considering a bid, I'd be pleased
to review the offering if you'll email me directly
so as to avoid creating a bidding war amongst members
of the List.
An adjustable, current limited power supply is a
real asset during the design, construction and maintenance
of your airplanes electro-whizzies. I own a half
dozen of various sizes . . . couldn't do what I do
without them.
Bob . . . [quote][b]
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