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electrical:solar:series_vs_parallel

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electrical:solar:series_vs_parallel [2016/11/26 15:01]
frater_secessus [Series and Parallel solar arrays]
electrical:solar:series_vs_parallel [2018/11/19 16:40]
frater_secessus [Parallel]
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 ====== Series and Parallel solar arrays ====== ====== Series and Parallel solar arrays ======
  
-In general, parallel arrays of nominal 12v panels are used with [[electrical:solar:PWM|PWM]] [[electrical:solar:charge controller|charge controllers]] and serial arrays with higher nominal voltage panels and [[electrical:solar:MPPT|MPPT]] controllers.+In general, parallel arrays of nominal 12v [[electrical:solar:panels|panels]] are used with [[electrical:solar:PWM|PWM]] [[electrical:solar:charge controller|charge controllers]] and serial arrays with higher nominal voltage panels and [[electrical:solar:MPPT|MPPT]] controllers.
  
  
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   * PRO   * PRO
-    * less impacted by shade+    * less impacted by partial shade((http://ccsenet.org/journal/index.php/mas/article/viewFile/3937/3464)) when using PWM controllers
     * more efficient than series when mixing PV of **same Vmp but different Imp**((https://www.youtube.com/watch?v=P3YtBrymJdA))     * more efficient than series when mixing PV of **same Vmp but different Imp**((https://www.youtube.com/watch?v=P3YtBrymJdA))
     * can use charge controllers with lower max voltage input rating     * can use charge controllers with lower max voltage input rating
     * can use simpler, less expensive PWM charge controllers with nominal 12v panels without losing much efficiency     * can use simpler, less expensive PWM charge controllers with nominal 12v panels without losing much efficiency
   * CON   * CON
-    * may not provide sufficient voltage to charge battery during marginal conditions +    * may not provide sufficient voltage to charge battery during very bad conditions (insolation < 20%) 
-    * may not provide sufficient voltage to charge higher voltage (24v) battery banks+    * may not provide sufficient voltage to charge higher voltage (20 or 24v) battery banks
  
  
electrical/solar/series_vs_parallel.txt · Last modified: 2024/03/09 11:00 by frater_secessus