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  • OMGIMDUMB commented on OMGIMDUMB's forum topic Circuit Design Help8 months ago

    cap sizing anyone?

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  • OMGIMDUMB commented on OMGIMDUMB's forum topic Circuit Design Help8 months ago

    Any idea how to size the cap? Thanks!

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  • OMGIMDUMB commented on OMGIMDUMB's forum topic Circuit Design Help8 months ago

    I love curves !!! thanks!The Impp is only 7.43A at NOCT. I hooked two panels together in parallel to try and improve performance. Still no turn of the simple water pump using solar. (The car battery does turn the pump btw). I think we are back to needing a start capacity. Any idea on how to size it? The DC to SDC converter works great ! Thanks!

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  • OMGIMDUMB commented on OMGIMDUMB's forum topic Circuit Design Help8 months ago

    Holy moly !

    You still doing the truck driving? Local or interstate?

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  • OMGIMDUMB commented on OMGIMDUMB's forum topic Circuit Design Help8 months ago

    Very cool ! Never heard of a SMPS, and I'm guessing a guy named Buck invented it. It is only been about 30 years literally since I took electronics in high school (we had vocational schools back then).

    I wonder if I still need the capacitor if I have the Buck?

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  • OMGIMDUMB commented on OMGIMDUMB's forum topic Circuit Design Help8 months ago

    The DC to DC Converter seems like the ticket. BTW does anyone know what "Buck" refers to? I've attached a simple diagram , does anyone see any gotchas?Thanks! (I'll take pictures once I get the system up and running. The ultimate purpose of this system is to run water through pool thermal panels under a green house to keep it warmer at night. It is a closed thermal system. Picture two black thermal panels in the sun on the ground, and 4 black thermal panels located under the green house. Towards the end of the daylight, I turn the pump on and the water is warmed , and the pump is driven , both by the sun.)

    Thanks ! I'll consider these ideas. God Bless.

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  • OMGIMDUMB posted a forum topic Circuit Design Help8 months ago
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