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electrical:solar:pwm_tweaking [2018/04/18 16:52] frater_secessus [the controller's achilles heel] |
electrical:solar:pwm_tweaking [2019/07/17 08:20] frater_secessus [set Vabs and Vfloat relatively high] |
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Since the panels make more power at higher voltages((up to Vmp)) cranking up Vabs and Vfloat to higher-but-still-sane levels will result in more power being harvested. | Since the panels make more power at higher voltages((up to Vmp)) cranking up Vabs and Vfloat to higher-but-still-sane levels will result in more power being harvested. | ||
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+ | Using the above panel as an example, Vabs of 14.7v will yield 3.5% more power than a Vabs of 14.1v. | ||
+ | Note: consult the battery manufacturer' | ||
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==== battery: maintain a higher state of charge ==== | ==== battery: maintain a higher state of charge ==== | ||
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* keeping your bank as charged as possible will let the panels produce the most power for conditions | * keeping your bank as charged as possible will let the panels produce the most power for conditions | ||
- | In other words, the lower your battery voltage gets the worse the system | + | In other words, the lower your battery voltage gets the worse the pwm charging |
- **Cycle less deeply** - Instead of cycling to 50% state of charge (12.2v) consider cycling to only 75% SoC (12.4v). | - **Cycle less deeply** - Instead of cycling to 50% state of charge (12.2v) consider cycling to only 75% SoC (12.4v). | ||
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