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electrical:solar:nonessential [2020/01/13 11:34] frater_secessus [opportunity loads] |
electrical:solar:nonessential [2020/07/08 12:44] frater_secessus [timing opportunity loads] |
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There will generally be more " | There will generally be more " | ||
+ | [[electrical: | ||
===== when to run opportunity loads ===== | ===== when to run opportunity loads ===== | ||
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You can start the loads **manually** (ie, start using the power when you have extra). | You can start the loads **manually** (ie, start using the power when you have extra). | ||
- | The most precise way to do it **automatically** is to use a charge controller which turns on the LOAD output only when the batteries are in Float stage. | + | The most precise way to do it **automatically** is to use a charge controller |
+ | You can also build a Pi or similar that talks to the controller over its communication port/ | ||
+ | |||
+ | Note: when used with Lithium or other chemistries that do not require multistage charging, a normal diverting controller (or solar charge controller with divert function like the Morningstart TS-45, Midnite Solar, Outback) can be used. When the bank hits the target voltage start diverting. | ||
==== LVD only ==== | ==== LVD only ==== | ||
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==== LVD + timer ==== | ==== LVD + timer ==== | ||
{{ : | {{ : | ||
- | A [[http:// | + | A [[http:// |
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This setup looks like: [LVD or controller LOAD output] --> timer --> relay --> load | This setup looks like: [LVD or controller LOAD output] --> timer --> relay --> load | ||
+ | |||
+ | ==== LVD + timer - eternal Absorption ==== | ||
+ | |||
+ | This setup avoids timer juggling/ | ||
+ | |||
+ | - set Vfloat to Vabs | ||
+ | - observe how long Absorption actually takes to drop to [[electrical: | ||
+ | - set the LVD to just under Vabs, set the timer to the Absorption duration | ||