electrical:solar:nonessential
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electrical:solar:nonessential [2020/07/08 14:59] frater_secessus [LVD + timer] |
electrical:solar:nonessential [2023/10/18 18:56] frater_secessus [when to run opportunity loads] |
===== when to run opportunity loads ===== | ===== when to run opportunity loads ===== |
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**The best time to run non-essential loads is when there is surplus current** over what battery charging needs. This means **during Float, or after current has started dropping off in Absorption**. For [[electrical:12v:deep_cycle_battery#lithium_chemistries|LiFePO4]] there is excess power any time after the bank has reached the intended charge state. | **The best time to run non-essential loads is when there is surplus current** over what battery charging needs. With lead this means **during Float, or after current has started dropping off in Absorption**. There is a little more wiggle room with [[electrical:12v:deep_cycle_battery#lithium_chemistries|LiFePO4]]; the loads can be run with no net effect on the system when |
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Opportunity loads should not be applied during [[electrical:12v:charging|Bulk stage]] since Bulk, by definition, means the battery is taking all the available current.((assuming no charging limit has been configured in the [[electrical:solar:charge_controller|charge controller]])) | * any time after the bank has reached the intended charge state |
| * or any time the bank can be projected to carry the opportunity load //and still hit the intended charge state by sundown//. Exception: Lithium setups with PWM controllers solar charge controllers will make [[electrical:solar:pwm_tweaking|most power]] when bank voltage is highest. So waiting for Float or Absorption to run opportunity loads will mean the solar can make more Wh per day. |
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* [[hvac:dehumidifier|dehumidification]] | * [[hvac:dehumidifier|dehumidification]] |
* [[electrical:12v:laptop|laptop]] and phone charging | * [[electrical:12v:laptop|laptop]] and phone charging |
* rice cooker((http://www.cheaprvliving.com/forums/Thread-How-much-solar-do-I-need?pid=141508#pid141508)) | * [[food:cooking:excess_power|cooking with small appliances]] |
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electrical/solar/nonessential.txt · Last modified: 2023/10/18 19:08 by frater_secessus