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electrical:solar:car [2024/01/04 12:48]
frater_secessus [$110] 		electrical:solar:car [2024/06/02 13:00] (current)
frater_secessus [general principles]
Line 125: Line 125:
 100w **solar panels** are ~$1/watt.  Used higher voltage panels are about 1/3rd of the price per watt, but require [[electrical:solar:charge_controller#mppt|an MPPT solar charge controller]] and are typically >200w.   100w **solar panels** are ~$1/watt.  Used higher voltage panels are about 1/3rd of the price per watt, but require [[electrical:solar:charge_controller#mppt|an MPPT solar charge controller]] and are typically >200w.  
  
-Larger battery banks don't just store more energy, they allow higher charging rates from the alternator((or solar, but most cars don't have enough room for that much solar)) without stressing the battery)).  +Larger battery banks don't just store more energy, they allow higher charging rates from the alternator((or solar, but most cars don't have enough room for that much solar)) without stressing the battery.  
  
 ===== $800 ===== ===== $800 =====
Line 139: Line 139:
  
 Actual power harvest would vary depending on the amount of driving (alternator), and [[electrical:solar:pvwatts|location/season]] (solar).  Let's assume 30 minutes of driving each day and middling latitudes like Salt Lake City.  Actual power harvest would vary depending on the amount of driving (alternator), and [[electrical:solar:pvwatts|location/season]] (solar).  Let's assume 30 minutes of driving each day and middling latitudes like Salt Lake City. 
 +
 +
 +==== performance ====
 +
 +Solar, conditions described above
  
   * summer (June) - ~200Wh alternator + 1,483Wh solar = **1,683Wh/day** (2.10Wh/$)   * summer (June) - ~200Wh alternator + 1,483Wh solar = **1,683Wh/day** (2.10Wh/$)
   * winter (December) - ~200Wh alternator + 401Wh solar = **602Wh/day**   * winter (December) - ~200Wh alternator + 401Wh solar = **602Wh/day**
 +
 +loads
 +
 +  * DC ~50A (650w)((solar might provided another 213w under optimal conditions, allowing loads up to 663w without exceeding LFP's typical 0.5C sustained discharge spec))
 +  * AC (inverter) ~40A (520w)
  
 ===== $650 ===== ===== $650 =====
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   * 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 =====
  
electrical/solar/car.1704390533.txt.gz · Last modified: 2024/01/04 12:48 by frater_secessus

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