User Tools

Site Tools


electrical:solar:nonessential

Differences

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

Link to this comparison view

Both sides previous revision Previous revision
electrical:solar:nonessential [2019/06/23 05:38]
frater_secessus [how much surplus current is there?]
electrical:solar:nonessential [2019/06/23 05:39] (current)
frater_secessus [how much surplus current is there?]
Line 16: Line 16:
 **During Absorption** the charge current is tapering down as the battery accepts less;  the more it tapers down the more is available for loads.((agaom. normal + opportunity)) ​ At the very beginning of Absorption ~0% of "​bonus"​ output is available. ​ At the very end of Absorption ~99% is available. ​ Mid-way through Absorption((judging by current not time)) ~49% of the panels'​ output is available for loads. ​ **During Absorption** the charge current is tapering down as the battery accepts less;  the more it tapers down the more is available for loads.((agaom. normal + opportunity)) ​ At the very beginning of Absorption ~0% of "​bonus"​ output is available. ​ At the very end of Absorption ~99% is available. ​ Mid-way through Absorption((judging by current not time)) ~49% of the panels'​ output is available for loads. ​
  
-There will generally be more "​surplus"​ power available when using MPPT charge controllers v. PWM,​((http://​forum.solar-electric.com/​discussion/​comment/​372165#​Comment_372165))((http://​forum.solar-electric.com/​discussion/​comment/​250746#​Comment_250746)) though the difference is less dramatic during periods one would run opportunity loads (see [[http://​rvwiki.mousetrap.net/​doku.php?​id=e#​when_to_run_opportunity_loads|below]]). ​ Siphoning off power can actually help PWM controllers run cooler by reducing the ON-OFF switching activity that generates heat.+There will generally be more "​surplus"​ power available when using MPPT charge controllers v. PWM,​((http://​forum.solar-electric.com/​discussion/​comment/​372165#​Comment_372165))((http://​forum.solar-electric.com/​discussion/​comment/​250746#​Comment_250746)) though the difference is less dramatic during periods one would run opportunity loads (see [[electrical:solar:​nonessential#​when_to_run_opportunity_loads|below]]). ​ Siphoning off power can actually help PWM controllers run cooler by reducing the ON-OFF switching activity that generates heat.
  
 ===== when to run opportunity loads ===== ===== when to run opportunity loads =====
electrical/solar/nonessential.txt ยท Last modified: 2019/06/23 05:39 by frater_secessus