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electrical:converter

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electrical:converter [2020/07/22 14:52]
frater_secessus [DIY smart converters] 		electrical:converter [2021/05/31 12:47]
frater_secessus [Converters]
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   - charge the [[electrical:12v:deep_cycle_battery|house battery]]   - charge the [[electrical:12v:deep_cycle_battery|house battery]]
   - provide 12v to power [[electrical:12v:loads|house loads]]   - provide 12v to power [[electrical:12v:loads|house loads]]
-  - sometimes acts as a passthrough for 110v 
  
 For turning 12v into 110v see [[electrical:inverter|inverters]]. For turning 12v into 110v see [[electrical:inverter|inverters]].
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 ===== charging the house battery ===== ===== charging the house battery =====
-OEM converters are notoriously cheap and dumb (lacking [[electrical:12v:charging|smart charging]] functions).  Since they are stuck at one voltage the manufacturer picks a compromise setpoint.  If this is set too high or too low //for your usage patterns// it can damage lead-acid batteries ([[electrical:batterycide|batterycide]]).+OEM converters are notoriously cheap and dumb((single-stage)) (lacking [[electrical:12v:charging|smart charging]] functions).   
 + 
 +Note:  if you have sufficient solar to complete Absorption then a "dumb" converter can work fine and shore power will support the battery on subsequent days.  In this model the converter + solar would contribute up to [[electrical:solar:charge_controller_setpoints|Vfloat]], then solar would raise the bank to Vabs and fall back to Vfloat when Absorption is done.  Shore power holds Vfloat indefinitely thereafter.  
 + 
 +Some single-stage converters allow the user to configure the float voltage, typically somewhere between 13.2v - 13.8v.  If the converter does not allow this adjustment then pick one with an appropriate float voltage ([[electrical:solar:charge_controller_setpoints|Vfloat]]) for your battery bank.   
 + 
 + 
  
-This compromise setpoint should coincide with standard float voltage (Vfloat) for your battery bank.  Typically this would be 13.2v - 13.4v for converters that are always on the grid, and 13.8v for batteries that are cycled but get put back on grid charging regularly.((Solar charging at a single setpoint, as with a [[electrical:solar:charge_controller&#shunt|shunt controller]], is done at [[electrical:solar:shunt_tweaking|Vabs rather than Vfloat]].))  
  
  
electrical/converter.txt · Last modified: 2024/02/28 15:19 by frater_secessus

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