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electrical:solar:tracer [2018/06/16 19:41]
frater_secessus [quirks]
electrical:solar:tracer [2019/10/06 17:49] (current)
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 }}
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 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.1529203270.txt.gz · Last modified: 2018/06/16 19:41 by frater_secessus