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electrical:solar:shallow_cycling

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electrical:solar:shallow_cycling [2021/06/06 13:38]
frater_secessus [how it works]
electrical:solar:shallow_cycling [2021/08/15 17:16]
frater_secessus
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-Note:  this information should be regarded as experimental.  It is [[https://boondockplan.wordpress.com/tag/shallow-cycling/|being tested]] by secessus.+Note:  this information should be regarded as experimental.  It is [[https://boondockplan.wordpress.com/tag/shallow-cycling/|being tested]] by secessus.  Beginners may want to start with a [[electrical:solar:gentle_intro|gentle intro to solar]].
  
 ====== microsolar without deep-cycle batteries ====== ====== microsolar without deep-cycle batteries ======
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   * actively maintains the starter battery   * actively maintains the starter battery
   * the controller has built-in USB ports   * the controller has built-in USB ports
 +  * taking power from the controller uses less power than using the car's ACCessory position, since other car electronics are not being energized. 
  
 Instead of deep-cycling like someone might in an RV, the idea here is the starter battery can be used but never dragged below 100% state of charge)).   Instead of deep-cycling like someone might in an RV, the idea here is the starter battery can be used but never dragged below 100% state of charge)).  
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   - a simple [[electrical:solar:charge_controller#shunt|shunt charge controller]] holds the starter battery at a medium Float voltage (13.2 - 13.8v, see notes [[electrical:solar:shallow_cycling#charging_voltages_and_starter_batteries|below]]) when charging, this is below the gassing point   - a simple [[electrical:solar:charge_controller#shunt|shunt charge controller]] holds the starter battery at a medium Float voltage (13.2 - 13.8v, see notes [[electrical:solar:shallow_cycling#charging_voltages_and_starter_batteries|below]]) when charging, this is below the gassing point
-  - power is //only// taken from [[electrical:solar:charge_controller#using_load_output|the controller's LOAD output]];((or from a circuit control by a relay on the LOAD output)) this ensures the starter battery is never discharged below [[electrical:12v:lvd|the intended setpoint]].  Since the load is disconnected below 12.7v the battery cannot be run down by loads. +  - power is taken from [[electrical:solar:charge_controller#using_load_output|the controller's LOAD output]]; this ensures the starter battery is never discharged below [[electrical:12v:lvd|the intended setpoint]].  Since the load is disconnected below 12.7v the battery cannot be run down by loads. 
   - the controller's LOAD output disconnects when battery voltage falls to 100% ((LVD))  - no more power is provided   - the controller's LOAD output disconnects when battery voltage falls to 100% ((LVD))  - no more power is provided
   - the controller's LOAD output //re//connects when charging and battery voltage has risen to >= ~13.0v((LVR)) - power once again flows   - the controller's LOAD output //re//connects when charging and battery voltage has risen to >= ~13.0v((LVR)) - power once again flows
electrical/solar/shallow_cycling.txt ยท Last modified: 2023/04/08 13:41 by frater_secessus