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electrical:solar:series_vs_parallel [2021/06/06 15:28]
frater_secessus [Series-Parallel] 		electrical:solar:series_vs_parallel [2024/01/03 13:52]
frater_secessus [Series and Parallel solar arrays] tldr
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 ====== Series and Parallel solar arrays ====== ====== Series and Parallel solar arrays ======
  
-Generally speaking, parallel arrays of nominal 12v [[electrical:solar:panels|panels]] are used with [[electrical:solar:charge_controller#pwm]] [[electrical:solar:charge controller|charge controllers]] and serial arrays or higher nominal voltage panels are used with [[electrical:solar:charge_controller#mppt|MPPT]] controllers.  +===== TL;DR ===== 
 + 
 +  * With [[electrical:solar:charge_controller#mppt|MPPT]] solar charge controllers and a 12v house battery bank there is often little practical difference between parallel and series setups.   
 +  * [[electrical:solar:charge_controller#pwm|PWM controllers]] run arrays of the same nominal voltage as their battery bank:  12v and 12v, 24v and 24v.  A 24v array could be made of 24v panels in parallel or 12v panels in series.((2S)) 
 +  * series arrays can reduce costs in some circumstances
  
  
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 A compromise might be series-parallel array (2p2s) with 45.6Voc and ~16A.  This would require 1x 2-into-1 MC4 adapter to combine the two serial strings.   Voltage is low enough for the controller, but high enough to allow low-light charging and the use of lighter wiring.  A compromise might be series-parallel array (2p2s) with 45.6Voc and ~16A.  This would require 1x 2-into-1 MC4 adapter to combine the two serial strings.   Voltage is low enough for the controller, but high enough to allow low-light charging and the use of lighter wiring. 
  
 +===== further reading =====
 +
 +  * [[https://www.explorist.life/solar-panels-series-vs-parallel/|Solar Panels – Series vs Parallel]] by Explorist Life
 +  * [[https://www.youtube.com/watch?v=1s2gsKWqyjM|How To Wire Solar Panels In Series vs Parallel -- For Beginners]]
  
electrical/solar/series_vs_parallel.txt · Last modified: 2024/03/09 11:00 by frater_secessus

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