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electrical:solar:tracer [2018/06/16 22:41]
frater_secessus [quirks]
electrical:solar:tracer [2019/10/06 20:49]
frater_secessus [MPPT boosting controllers]
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 ==== quirks ==== ==== quirks ====
-Some [[electrical:solar:charge_controller_setpoints|voltage setpoints]] are constrained in relationship to each other.   Because of this it may be easiest to configure them [[http://techluck.com/cgi-bin/YaBB.pl?num=1486955008|in a particular order]].+Some [[electrical:solar:charge_controller_setpoints|voltage setpoints]] are constrained in relationship to each other.   Because of this it may be easiest to configure them in a particular order.((http://techluck.com/cgi-bin/YaBB.pl?num=1486955008))  This order places the configurations in increasing (or equal) voltages the way the controller wants it 
 + 
 +  - "Low Voltage Reconnect Voltage" 
 +  - "Boost Reconnect" 
 +  - Then "Float Charge" 
 +  - Then "Boost Charge" 
 +  - Then "Equalize Charge" 
 +  - Then "Over Voltage Reconnect" 
 +  - Then "Charging Limit" 
 +  - Then "Over Voltage Disconnect"
  
 {{http://img.mousetrap.net/boondocking/MT-50_displayEvil.jpg?150 }} {{http://img.mousetrap.net/boondocking/MT-50_displayEvil.jpg?150 }}
Line 73: Line 82:
 The LOAD icon (light bulb) has rays around it **when the load circuit is on**;  this does not mean there is a load present.  The LOAD icon (light bulb) has rays around it **when the load circuit is on**;  this does not mean there is a load present. 
  
 +==== wireless modules ====
 +{{ http://img.mousetrap.net/boondocking/Screenshot_20191004-112248.jpg?125}}Epever makes [[https://amzn.to/2pJmrjs|bluetooth]] and [[https://amzn.to/31UbKsD|wifi]] modules that plug in to the same port the MT-50 uses.  This allows the [[https://play.google.com/store/apps/details?id=com.mdtit.PhoneInvert|free smartphone app]] to connect to the controller over bt/wifi for configuration and display. Pic to the right is from secessus' rig.
 +
 +[[https://amzn.to/2noYIED|Renogy rebadges the modules]] for their [rebadged] controllers.
 +
 +----
  
 ===== Eco-worthy ===== ===== Eco-worthy =====
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 ===== MPPT boosting controllers ===== ===== MPPT boosting controllers =====
-{{ https://images-na.ssl-images-amazon.com/images/I/51n1AlgRMWL._AC_US160_.jpg?100}}These little 10A controllers are indeed MPPT, but of limited use for RVers.  They are strictly "boosting" (upconverting) controllers instead of the usual downconverting controllers.  This means they could be used to charge a 24v bank from 12v panels.+{{ https://images-na.ssl-images-amazon.com/images/I/51n1AlgRMWL._AC_US160_.jpg?100}}The [[https://amzn.to/35e0KIM|mpt-7210a 10A controllers]] are indeed MPPT, but of limited use for RVers.  They are strictly "boosting" (upconverting) controllers instead of the usual downconverting controllers.  This means they could be used to charge a 24v bank from 12v panels.  Or, for example, a 48v ebike from 12v portable panels.
  
 [This company needs to make a normal MPPT at this price point!  -- secessus] [This company needs to make a normal MPPT at this price point!  -- secessus]
electrical/solar/tracer.txt · Last modified: 2023/01/18 13:33 by frater_secessus