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electrical:solar:status [2017/12/02 04:42] frater_secessus |
electrical:solar:status [2018/12/31 14:04] frater_secessus [then observe the controller] |
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[[lifestyle: | [[lifestyle: | ||
- | >If you want to see lots more amps coming out of the [charge | + | > " |
- | > The Shunted battery monitors are great, when they are wired up properly, set up properly, and rezeroed occassionally. The person who can do this well, can also make an accurate guess as to state of charge, | + | >If you want to see lots more amps coming out of the [charge |
====== Is my solar working? ====== | ====== Is my solar working? ====== | ||
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- solar is $$$; and | - solar is $$$; and | ||
- solar can seem magical; and | - solar can seem magical; and | ||
- | - **both poorly running systems and mostly/ | + | - both **poorly running systems** and **mostly/ |
The last point may be counterintuitive. | The last point may be counterintuitive. | ||
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===== then observe the controller ===== | ===== then observe the controller ===== | ||
- | These checks are admittedly crude but will help see if your system is getting it done. No expensive or specialized equipment is required. MPPT controllers in particular will reveal a great deal of information by how they interact with the panels. | + | These checks are admittedly crude but will help see if your system is getting it done. No [[electrical: |
For the examples below we will assume the system is set up this way: | For the examples below we will assume the system is set up this way: | ||
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* Vbatt == Vabs until the controller' | * Vbatt == Vabs until the controller' | ||
* Controller output decreasing as current demand drops. | * Controller output decreasing as current demand drops. | ||
- | * **Example: | + | * **Example: |
**During Absorption charging with PWM** | **During Absorption charging with PWM** | ||
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* Controller output decreasing as current demand drops. | * Controller output decreasing as current demand drops. | ||
* the controller may get warmer as current demand drops((percentage of time the PWM circuit is turned OFF increases)) | * the controller may get warmer as current demand drops((percentage of time the PWM circuit is turned OFF increases)) | ||
- | * **Example: | + | * **Example: |
==== in float ==== | ==== in float ==== |