Electronics > Power/Renewable Energy/EV's

Solar panel 250 watt to 12vdc without PWM/battery?

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Seekonk:
So how did we get from stand alone DC pump to grid tie?  I give up.

DougSpindler:

--- Quote from: Seekonk on April 14, 2018, 01:44:49 pm ---So how did we get from stand alone DC pump to grid tie?  I give up.

--- End quote ---


It’s in the post..... Side note.

bicycleguy:
SCE only gives you around $.03/KWH even though they charge $.44/KWH.

https://www.sce.com/wps/portal/home/regulatory/tariff-books/rates-pricing-choices/net-surplus-compensation/!ut/p/b1/jY_JDoIwGISfxQdo-rMEw7GKweK-RezFVALYiG3TVg8-vUi8usxtJt9kMpjhHDPJ76LmTijJm5dn0TGjCfHS0KdpP0uALJN-sltHXjjxWuDQAvBBBH71sz8GfDMbzmrMNHdnJGSlcO64EVWFTkpdLM4Nd6VF2ohCyBoVZyWKso1l6ZC9Gd3cLCrUVZfSdr_wHrNuNk5hNM4WQNPtKgAarGC-ISQAiN7Al1_6mj-mg5jWpNd7AvWX6O8!/dl4/d5/L2dBISEvZ0FBIS9nQSEh/

Here is the official calculator that Go solar California makes you use to figure out incentives.  Note that you must use one of the listed inverters and panels.  I have checked some of the details and they have really done a good job.  Hard to believe its a government operation.

http://www.csi-epbb.com/default.aspx

mmagin:
If I just had a solar panel and a 12V pump and didn't want any storage, I'd probably build a shunt regulator out of junkbox parts.  I'm pretty sure I could do it with a TL431, a big transistor and a heatsink.  (Plus passives.)

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