User Tools

Site Tools


electrical:solar:status

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
Next revision Both sides next revision
electrical:solar:status [2018/05/28 10:53]
frater_secessus [in absorption] s/12.6/14.6/g
electrical:solar:status [2019/07/13 20:42]
frater_secessus [morning]
Line 36: Line 36:
 If you have an MPPT controller also look up these pieces of info: If you have an MPPT controller also look up these pieces of info:
  
-  * **Vmp** - the voltage at which your panel makes maximum power.  This will be stated [[electrical:solar:panels#specifications|in the specs]] and on the label on the back of your panel.  For so-called [[electrical:solar:panels#panel_voltage|12v panels]] this is usually around 17-18v.+  * **Vmp** - the voltage at which your panel makes maximum power.  This will be stated [[electrical:solar:panels#specifications|in the specs]] and on the label on the back of your panel.  For so-called [[electrical:solar:panels#panel_voltage|12v panels]] this is usually around 17-19v.
   * **Voc** - the voltage of the panel at open circuit ("unconnected").   This will be higher than Vmp, probably in the low 20s.   Found in the same place as Vmp.   * **Voc** - the voltage of the panel at open circuit ("unconnected").   This will be higher than Vmp, probably in the low 20s.   Found in the same place as Vmp.
  
Line 46: Line 46:
 ===== then observe the controller ===== ===== then observe the controller =====
  
-These checks are admittedly crude but will help see if your system is getting it done.  No expensive or specialized equipment is required. MPPT controllers in particular will reveal a great deal of information by how they interact with the panels. +These checks are admittedly crude but will help see if your system is getting it done.  No [[electrical:12v:battery_monitor|expensive or specialized equipment]] is required.((but use them if you have them!)) MPPT controllers in particular will reveal a great deal of information by how they interact with the panels. 
  
 For the examples below we will assume the system is set up this way: For the examples below we will assume the system is set up this way:
Line 148: Line 148:
   * increase your Vfloat and Vabs setpoints.  Increasing Vabs to the manufacturer's max will help get the battery fully charged.  If running PWM this will also allow the system to generate more power.     * increase your Vfloat and Vabs setpoints.  Increasing Vabs to the manufacturer's max will help get the battery fully charged.  If running PWM this will also allow the system to generate more power.  
   * run your loads through a [[electrical:12v:lvd|low voltage disconnect]] so they turn off before hurting your bank   * run your loads through a [[electrical:12v:lvd|low voltage disconnect]] so they turn off before hurting your bank
-  * [[electrical:12v:rationing|conserve power]]+  * [[electrical:solar:ra|conserve power!]]
   * consider reducing your nighttime loads;  charge devices like phones and tablets [[electrical:solar:nonessential|when the system has excess power]].   * consider reducing your nighttime loads;  charge devices like phones and tablets [[electrical:solar:nonessential|when the system has excess power]].
   * [And stop running things off an inverter! -- secessus]   * [And stop running things off an inverter! -- secessus]
electrical/solar/status.txt ยท Last modified: 2024/01/14 15:32 by frater_secessus