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electrical:solar:car [2023/09/24 21:24]
frater_secessus [$410] 		electrical:solar:car [2024/01/04 12:51]
frater_secessus [performance]
Line 154: Line 154:
 ===== $480 ===== ===== $480 =====
  
-Simplifying with PWM controllers and relays instead of DC-DC.  1/2 the battery, so ~1/2 the alternator charging+Simplifying with PWM controllers and relays instead of DC-DC.  1/2 the battery, so ~1/2 the alternator charging.  Price doesn't go down much because we are paying $1/watt retail for new panel.  
  
   * 50A LiFePO4, $160   * 50A LiFePO4, $160
Line 162: Line 162:
   * small PSW inverter like [[https://amzn.to/48aWp9u|the Bestek 300w]] - $60     * small PSW inverter like [[https://amzn.to/48aWp9u|the Bestek 300w]] - $60  
  
-Same assumptions as the above+ 
 +==== performance ==== 
 + 
 +Solar, same assumptions as the above 
  
   * summer (June) - ~65Wh alternator + 488Wh solar = **1,041Wh/day** (2.54Wh/$)   * summer (June) - ~65Wh alternator + 488Wh solar = **1,041Wh/day** (2.54Wh/$)
   * winter (December) - ~65Wh alternator + 284Wh solar = **349Wh/day**   * winter (December) - ~65Wh alternator + 284Wh solar = **349Wh/day**
  
 +loads
  
 +  * DC ~25A (325w) 
 +  * AC (inverted) ~20A (260w)
 ===== $300 ===== ===== $300 =====
  
 Half the solar brings the cost (and harvest) down: Half the solar brings the cost (and harvest) down:
  
-  * 50A LiFePO4+  * 50A (640Wh) LiFePO4
   * combiner or VSR for alternator charging - $50   * combiner or VSR for alternator charging - $50
   * 100w panel - $100   * 100w panel - $100
Line 179: Line 185:
   * small PSW inverter like [[https://amzn.to/48aWp9u|the Bestek 300w]] - $60     * small PSW inverter like [[https://amzn.to/48aWp9u|the Bestek 300w]] - $60  
  
-Same assumptions as the above+==== performance ==== 
 + 
 + 
 +Solar, Same assumptions as the above
  
   * summer (June) - ~65Wh alternator + 488Wh solar = **553Wh/day** (1.84Wh/$)   * summer (June) - ~65Wh alternator + 488Wh solar = **553Wh/day** (1.84Wh/$)
   * winter (December) - ~65Wh alternator + 142Wh solar = **207Wh/day**   * winter (December) - ~65Wh alternator + 142Wh solar = **207Wh/day**
  
 +loads
  
 +  * DC ~25A (325w)
 +  * AC (inverted) ~20A (260w)
 ===== $110 ===== ===== $110 =====
  
Line 192: Line 204:
   * 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/day** (4.44Wh/$)   * summer (June) - 488Wh solar = **488Wh/day** (4.44Wh/$)
   * winter (December) - 142Wh solar = **142Wh/day**   * winter (December) - 142Wh solar = **142Wh/day**
  
 +loads
 +
 +  * DC ~10A (130w)
 +  * no AC (inverter) loads
  
electrical/solar/car.txt · Last modified: 2024/01/04 12:56 by frater_secessus

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