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food:refrigeration:power [2024/05/09 17:38]
frater_secessus [charging from solar]
food:refrigeration:power [2024/05/09 17:57] (current)
frater_secessus [TL;DR]
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 ===== TL;DR ===== ===== TL;DR =====
  
-  * compressor fridges are a part-time load;  as a rule of thumb we can assume the compressor will be running 1/3rd of the time.+  * [[food:refrigeration#compressor_refrigeration|compressor fridges]] are a part-time load;  as a rule of thumb we can assume the compressor will be running 1/3rd of the time.
   * they will consume a given number of Wh (Watt-hours) over a 24-hour period   * they will consume a given number of Wh (Watt-hours) over a 24-hour period
-  * you must have at least enough charging capacity to replace at least that amount of Wh +  * you must have at least enough charging capacity to replace those Wh 
-  * and have enough bank to make it through periods where charging is absent+  * and have enough battery bank capacity to make it through periods where charging is absent
  
  
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 ===== battery bank capacity ===== ===== battery bank capacity =====
  
-The battery bank capacity is dependent on a few factors:+The battery bank capacity requirement is dependent on a few factors:
  
-  * how deeply the chemistry can be discharged (~50% for lead, ~80% for LiFePO4)+  * how deeply the chemistry can be discharged (~50% for [[electrical:12v:deep_cycle_battery|lead]], ~80% for [[electrical:12v:drop-in_lifepo4|LiFePO4]])
   * nominal voltage (12.0v for lead, 12.8v for LiFePO4)   * nominal voltage (12.0v for lead, 12.8v for LiFePO4)
   * days of "autonomy" (discussed separately)   * days of "autonomy" (discussed separately)
food/refrigeration/power.1715290702.txt.gz · Last modified: 2024/05/09 17:38 by frater_secessus