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electrical:solar:car [2023/09/21 11:04] frater_secessus [$410] |
electrical:solar:car [2024/01/04 12:48] frater_secessus [$110] |
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This is a relatively large setup for a cardweller, but at this point we get to leverage the economies of larger batteries and used panels. | This is a relatively large setup for a cardweller, but at this point we get to leverage the economies of larger batteries and used panels. | ||
- | * 200w [[electrical: | + | * 250w [[electrical: |
* [[electrical: | * [[electrical: | ||
* [[https:// | * [[https:// | ||
* small PSW inverter like [[https:// | * small PSW inverter like [[https:// | ||
+ | |||
+ | Dropping to 50A LFP would decrease cost to ~$510. All numbers below would stay the ~same.((alternator should be limited to 25A charging, so 166Wh instead of 200Wh harvested)) | ||
Actual power harvest would vary depending on the amount of driving (alternator), | Actual power harvest would vary depending on the amount of driving (alternator), | ||
- | * summer (June) - ~200Wh alternator + 1,186Wh solar = **1,387Wh/day** (1.73Wh/$) | + | * summer (June) - ~200Wh alternator + 1,483Wh solar = **1,683Wh/day** (2.10Wh/$) |
- | * winter (December) - ~200Wh alternator + 335Wh solar = **535Wh/day** | + | * winter (December) - ~200Wh alternator + 401Wh solar = **602Wh/day** |
===== $650 ===== | ===== $650 ===== | ||
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- | * summer (June) - ~130Wh alternator + 1,186Wh solar = **1,317Wh/day** (2.03Wh/ | + | * summer (June) - ~130Wh alternator + 1,483Wh solar = **1,613Wh/day** (2.03Wh/ |
- | * winter (December) - ~130Wh alternator + 335Wh solar = **465Wh/day** | + | * winter (December) - ~130Wh alternator + 401Wh solar = **531Wh/day** |
- | ===== $410 ===== | + | ===== $480 ===== |
- | Simplifying with PWM controllers and relays instead of DC-DC. | + | Simplifying with PWM controllers and relays instead of DC-DC. |
- | * 50A LiFePO4 | + | * 50A LiFePO4, $160 |
* combiner or VSR for alternator charging - $50 | * combiner or VSR for alternator charging - $50 | ||
* 2x 100w panel - $200 | * 2x 100w panel - $200 | ||
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Half the solar brings the cost (and harvest) down: | Half the solar brings the cost (and harvest) down: | ||
- | * 50A LiFePO4 | + | * 50A (640Wh) |
* combiner or VSR for alternator charging - $50 | * combiner or VSR for alternator charging - $50 | ||
* 100w panel - $100 | * 100w panel - $100 | ||
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* small PSW inverter like [[https:// | * small PSW inverter like [[https:// | ||
- | Same assumptions as the above | + | ==== performance ==== |
- | * summer (June) - ~54Wh alternator + 488Wh solar = **542Wh/ | ||
- | * winter (December) - ~54Wh alternator + 142Wh solar = **196Wh/ | ||
+ | Solar, Same assumptions as the above | ||
+ | * summer (June) - ~65Wh alternator + 488Wh solar = **553Wh/ | ||
+ | * winter (December) - ~65Wh alternator + 142Wh solar = **207Wh/ | ||
+ | |||
+ | loads | ||
+ | |||
+ | * DC ~25A (325w) | ||
+ | * AC (inverted) ~20A (260w) | ||
===== $110 ===== | ===== $110 ===== | ||
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* 10A single stage PWM charger - $15 | * 10A single stage PWM charger - $15 | ||
+ | ==== performance ==== | ||
- | Same assumptions as the above | + | Solar, same assumptions as the above |
* summer (June) - 488Wh solar = **488Wh/ | * summer (June) - 488Wh solar = **488Wh/ | ||
* winter (December) - 142Wh solar = **142Wh/ | * winter (December) - 142Wh solar = **142Wh/ | ||
+ | loads | ||
+ | |||
+ | * DC ~10A (130w) | ||
+ | * no AC (inverter) loads | ||