It's called the SPS (Secure Power Supply) outlet from a SMA SunnyBoy
inverter.
https://www.thesolarnerd.com/blog/sma-sunnyboy-inverters/
Cost is around $1500-$2000 on ebay depending on the size you want, plus
they work as a grid tie solar inverter when your power is on.
https://files.sma.de/downloads/SBxx-US-DS-en-39.pdf
600v max DC voltage, 155-480V DC optimal.
Jay
On 10/15/21 4:57 PM, Robert Bruninga via EV wrote:
Mark,
I used to design switching power supplies...
Have you considered filling the strong market need for a 200-500 VDC input
to 120 VAC output 2 kW inverter that can be used on Solar systems to
charge any EV (via its own EVSE) independent of the grid. There is a
CRYING need for this high-demand inverter.
Or it can be used to power one's house from one's EV when the grid
goes down? So much potential!
Bob
On Fri, Oct 15, 2021 at 8:26 AM Mark Hanson via EV <[email protected]> wrote:
Hi folks
All the EVs I’ve converted over the years until 2011 , Electro Metro, Cushman,
Cheese Wedge, Geo Tracker, Porsche 914, Karmann Ghia, I was able to pick up all
radio stations including AM but mostly listen to NPR on low band FM. I used to
design switching power supplies and class D amplifiers to meet FCC part B EMI
requirements in my day job.
All power cables a pos-neg (to cancel magnetic RF) are tightly ty wrapped
together under the far right passenger side underneath the car and all the
control wires under the left side. The speed control must be as close to the
motor as possible with short cables (that’s the main EMI source). You can put
an inline common mode choke pi filter on the 12V wires feeding the radio but I
didn’t have to. Just proper layout of power components separate from control
wiring is the main consideration.
Best regards
Mark
Sent from my iPhone
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