Latest revision as of 02:01, 27 November 2023

General

Use 5hp compressor motor, 220AC - see Electric Motors, 3450 running RPM
Calculations - from Hydraulic Calculations- have hp to drive a pump = PSI*GPM/1714 => GPM=hp*1714/PSI=5*1714/3000=2.86 gal
In order to not burn out motor - overload protection on motor? Yes, compressor motors typically have it.
Pump to get - [1] but cw or ccw? Motor is CCW, so pump must be CW.

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 *Take a form factor comparable to common power tool batteries, say at 20V - 6 AH - $22 [https://www.amazon.com/Jialitt-Replacement-Cordless-Lithium-Ion-DCB127-2/dp/B07ZQB53L9/ref=sr_1_9?crid=8J6E70ZZFGN0&keywords=12+ah+for+dewalt&qid=1701048978&sprefix=12+ah+for+dewalt%2Caps%2C110&sr=8-9#customerReviews].
 **For 10kW for 6 minutes - need 1 kWhr. 4 AH at 20v gives 80W for 1hr (year right).
-**Realistic for good cells: 8 WH for 1 cell [https://batteryuniversity.com/article/bu-501a-discharge-characteristics-of-li-ion] at 2C discharge.
+**Realistic for good cells: 8 WH for 1 cell [https://batteryuniversity.com/article/bu-501a-discharge-characteristics-of-li-ion] at 2C discharge. Would need 120 for 1 kWhr. 2C discharge means 8A discharge *120=1 kW discharge rate max. Each 4 AH dewalt bat is 10 cells [https://cibpartners.co.za/the-truth-about-dewalt-10vmax-batteries/#:~:text=If%20you%20look%20inside%20a,10%20cells%20x%203.6%20volts.]. Need 12 of these for 1 kWhr.
+**Dewalt 5AH battery is 100Wh, 10A sustainedfor 30 minutes or 200W for 30 minutes. For 10 kW, would need 50 of these batteries (500 individual cells).
+**50x$22=$1100.
+**Use this as a battery charging station for onsite power.
 =See Also=