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electrical:solar:series_vs_parallel [2016/11/26 14:52] frater_secessus [Series] both different |
electrical:solar:series_vs_parallel [2016/11/26 15:01] frater_secessus [Series and Parallel solar arrays] |
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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 panels are used with [[electrical: |
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===== Parallel ===== | ===== Parallel ===== | ||
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* less impacted by shade | * less impacted by shade | ||
* 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 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 marginal conditions | ||
+ | * may not provide sufficient voltage to charge higher voltage (24v) battery banks | ||