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opinion:frater_secessus:controllers_and_dollars_per_watt

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opinion:frater_secessus:controllers_and_dollars_per_watt [2020/05/25 12:15]
frater_secessus
opinion:frater_secessus:controllers_and_dollars_per_watt [2021/06/26 14:33] (current)
frater_secessus [Morning, ideal]
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 I ran some numbers, using Renogy gear where possible:  I ran some numbers, using Renogy gear where possible: 
 +
 +
 +===== general conclusion =====
 +
 +The general pattern is that MPPT typically makes more power in absolute terms, and PWM/shunt make more power per dollar spent.  
 +
 +
  
  
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   - 20A MPPT 200W poly/mono, 174.80W  @ **$1.65/W**.  $289.   - 20A MPPT 200W poly/mono, 174.80W  @ **$1.65/W**.  $289.
   - 10a PWM 100W poly 62.94W @ **$1.82/W**.  $115.   - 10a PWM 100W poly 62.94W @ **$1.82/W**.  $115.
-  - 10a MPPT mono/poly 87.4W @ **$1.84/W**.  $161. +  - 10a MPPT 100W mono/poly 87.4W @ **$1.84/W**.  $161. 
-  - 10a PWM 100w mono 59.25W @ **$1.93/W**.  $115.+  - 10a PWM 100W mono 59.25W @ **$1.93/W**.  $115.
   - 20a PWM 200w poly 125.89W @ **$1.99/W**.  $250.   - 20a PWM 200w poly 125.89W @ **$1.99/W**.  $250.
  
opinion/frater_secessus/controllers_and_dollars_per_watt.1590423354.txt.gz · Last modified: 2020/10/11 19:48 (external edit)