|
[DPRG] Voltage Conversion
Subject: [DPRG] Voltage Conversion
From: Kipton Moravec
kip at kdream.com
Date: Fri Nov 27 07:13:38 CST 2009
On Thu, 2009-11-26 at 00:41 -0500, Charles Thurston wrote:
> Hello DPRG,
>
> I am looking to convert 48 VDC into 12VDC at about 20 to 25 amps. The supply is Wet cell batteries on a golf cart (I need something to run steering motors, brake motors and my electronics with). Suggestions on tapping 1 or 2 batteries are out, These are 8 volt batteries. Low power consumption at idle is important.
>
For the steering motors, brake motors use high speed PWM with MOSFETs.
Just never go above 25% duty cycle.
I am not sure what you mean by break motors, but the easiest way to
break is to short the motor terminals (after removing power of course).
Use an off-the-shelf power supply like Dale recommended for the
electronics. You will probably be under 0.5A for electronics.
Kip
--
Kipton Moravec AE5IB .- . ..... .. -...
"Always do right; this will gratify some people and astonish the rest."
--Mark Twain
More information about the DPRG mailing list
|
