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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 [2019/02/01 20:12] frater_secessus [Series] |
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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: | + | In general, parallel arrays of nominal 12v [[electrical: |
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| * PRO | * PRO | ||
| * higher PV voltage can run in relatively **thinner wires** to the charge controller | * higher PV voltage can run in relatively **thinner wires** to the charge controller | ||
| - | * serial connections can provide **some charging in low-light | + | * serial connections can provide **some charging in partial shade situations** where lower voltage parallel or single-panel connections might not. Imagine two nominal 12v panels running at 11v in heavy cover:((due to MPPT's response to shading)) |
| * higher voltages **work well with MPPT controllers** | * higher voltages **work well with MPPT controllers** | ||
| * higher voltages can **charge higher voltage battery systems** like 24v. | * higher voltages can **charge higher voltage battery systems** like 24v. | ||
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| * PRO | * PRO | ||
| - | * less impacted by shade | + | * less impacted by partial |
| * more efficient than series when mixing PV of **same Vmp but different Imp**((https:// | * more efficient than series when mixing PV of **same Vmp but different Imp**((https:// | ||
| * 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 | + | * may not provide sufficient voltage to charge battery during |
| - | * 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
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