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electrical:solar:series_vs_parallel [2017/07/26 07:13] frater_secessus [Parallel] |
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 partial shade((http:// | + | * less impacted by partial shade((http:// |
* 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 |