EESchema Schematic File Version 4 LIBS:16WWOffGrid-cache EELAYER 29 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 1 Title "16WW Off-Grid System" Date "2019-05-27" Rev "T7" Comp "" Comment1 "" Comment2 "" Comment3 "(c) Damon Hart-Davis 2016, 2019" Comment4 "FOSS: licensed under Apache 2.0 / Solderpad 0.51" $EndDescr $Comp L 16WWOffGrid-rescue:Battery BATT1 U 1 1 575399E4 P 5750 5750 F 0 "BATT1" V 5550 5450 50 0000 L CNN F 1 "12V 400Ah Lead-acid gel" V 5400 5250 50 0000 L CNN F 2 "" V 5750 5790 50 0000 C CNN F 3 "" V 5750 5790 50 0000 C CNN 1 5750 5750 0 -1 -1 0 $EndComp $Comp L 16WWOffGrid-rescue:+12V #PWR2 U 1 1 575BC631 P 7700 3150 F 0 "#PWR2" H 7700 3000 50 0001 C CNN F 1 "+12V" H 7700 3290 50 0000 C CNN F 2 "" H 7700 3150 50 0000 C CNN F 3 "" H 7700 3150 50 0000 C CNN 1 7700 3150 1 0 0 -1 $EndComp $Comp L 16WWOffGrid-rescue:GND #PWR3 U 1 1 575BC647 P 7700 3350 F 0 "#PWR3" H 7700 3100 50 0001 C CNN F 1 "GND" H 7700 3200 50 0000 C CNN F 2 "" H 7700 3350 50 0000 C CNN F 3 "" H 7700 3350 50 0000 C CNN 1 7700 3350 1 0 0 -1 $EndComp $Comp L 16WWOffGrid-rescue:SS-MPPT-15L U1 U 1 1 575FEF70 P 5800 3500 F 0 "U1" H 6250 3100 60 0000 C CNN F 1 "SS-MPPT-15L" H 6500 3200 60 0000 C CNN F 2 "" H 5800 3500 60 0000 C CNN F 3 "" H 5800 3500 60 0000 C CNN 1 5800 3500 1 0 0 -1 $EndComp $Comp L 16WWOffGrid-rescue:FUSE F1 U 1 1 57611763 P 5600 4250 F 0 "F1" H 5700 4300 50 0000 C CNN F 1 "DC breaker 20A" H 5450 4050 50 0000 C CNN F 2 "" H 5600 4250 50 0000 C CNN F 3 "" H 5600 4250 50 0000 C CNN 1 5600 4250 0 1 1 0 $EndComp $Comp L 16WWOffGrid-rescue:FUSE F2 U 1 1 5761185A P 6950 3150 F 0 "F2" H 7050 3200 50 0000 C CNN F 1 "DC breaker 20A" H 6950 3300 50 0000 C CNN F 2 "" H 6950 3150 50 0000 C CNN F 3 "" H 6950 3150 50 0000 C CNN 1 6950 3150 1 0 0 -1 $EndComp $Comp L 16WWOffGrid-rescue:Battery PV2 U 1 1 5761A479 P 3500 3250 F 0 "PV2" H 3600 3300 50 0000 L CNN F 1 "60-cell PV" H 3450 3000 50 0000 L CNN F 2 "" V 3500 3290 50 0000 C CNN F 3 "" V 3500 3290 50 0000 C CNN 1 3500 3250 1 0 0 -1 $EndComp Text Notes 2900 3800 0 60 ~ 0 approx 510Wp 30Vmp nominal\n(255+255W W) $Comp L 16WWOffGrid-rescue:SS-MPPT-15L U2 U 1 1 576E463B P 5800 1750 F 0 "U2" H 6250 1350 60 0000 C CNN F 1 "LS2024RP" H 6400 1450 60 0000 C CNN F 2 "" H 5800 1750 60 0000 C CNN F 3 "" H 5800 1750 60 0000 C CNN F 4 "+ve common / earth" H 5800 1750 60 0001 C CNN "Note" 1 5800 1750 1 0 0 -1 $EndComp $Comp L 16WWOffGrid-rescue:Battery PV1 U 1 1 576E46A8 P 3450 1500 F 0 "PV1" H 3550 1550 50 0000 L CNN F 1 "12V nominal PV w/ blocking diodes" H 3200 1200 50 0000 L CNN F 2 "" V 3450 1540 50 0000 C CNN F 3 "" V 3450 1540 50 0000 C CNN 1 3450 1500 1 0 0 -1 $EndComp $Comp L 16WWOffGrid-rescue:FUSE F3 U 1 1 576E46E7 P 5600 2450 F 0 "F3" H 5700 2500 50 0000 C CNN F 1 "fuse 20A" H 5450 2250 50 0000 C CNN F 2 "" H 5600 2450 50 0000 C CNN F 3 "" H 5600 2450 50 0000 C CNN 1 5600 2450 0 1 1 0 $EndComp Wire Wire Line 5100 4700 5900 4700 Wire Wire Line 5950 4700 5950 3900 Wire Wire Line 6400 3350 7700 3350 Wire Wire Line 5250 3100 5250 3150 Wire Wire Line 5250 3400 5250 3350 Wire Wire Line 5600 3900 5600 4000 Wire Wire Line 5600 4500 5600 4600 Wire Wire Line 6400 3150 6700 3150 Wire Wire Line 7200 3150 7700 3150 Wire Wire Line 5600 2150 5600 2200 Wire Wire Line 5600 2700 5600 2800 Wire Wire Line 5600 2800 5000 2800 Wire Wire Line 5000 2800 5000 4600 Wire Wire Line 5000 4600 5600 4600 Connection ~ 5600 4600 Wire Wire Line 5950 2150 5950 2900 Wire Wire Line 5950 2900 5100 2900 Wire Wire Line 5100 2900 5100 4700 Wire Wire Line 5900 4700 5900 5400 Connection ~ 5900 4700 Wire Wire Line 3450 1350 5250 1350 Wire Wire Line 5250 1350 5250 1400 Wire Wire Line 3450 1650 5250 1650 Wire Wire Line 5250 1650 5250 1600 Text Notes 2850 1200 0 60 ~ 0 approx 100Wp 12V nominal\n(2+60W W, 20+20W E) Wire Wire Line 3150 3400 3500 3400 Text Notes 4100 1450 0 60 ~ 0 W brown Text Notes 4100 1600 0 60 ~ 0 W black Text Notes 4150 3250 0 60 ~ 0 W grey Text Notes 4150 3350 0 60 ~ 0 W green/yellow $Comp L 16WWOffGrid-rescue:GND #PWR1 U 1 1 57778437 P 6200 4700 F 0 "#PWR1" H 6200 4450 50 0001 C CNN F 1 "GND" H 6200 4550 50 0000 C CNN F 2 "" H 6200 4700 50 0000 C CNN F 3 "" H 6200 4700 50 0000 C CNN 1 6200 4700 1 0 0 -1 $EndComp Wire Wire Line 6200 4700 5900 4700 Text Notes 6000 4650 0 60 ~ 0 -ve battery terminal is nominal ground\nNOT ACTUALLY EARTHED $Comp L 16WWOffGrid-rescue:D_Schottky_x2_KCom_AKA D1 U 1 1 579F9378 P 3800 2800 F 0 "D1" H 3850 2700 50 0000 C CNN F 1 "D_Schottky_x2_KCom_AKA" V 4050 2200 50 0000 C CNN F 2 "" H 3800 2800 50 0000 C CNN F 3 "NTSJ20U100CTG" V 3950 2350 50 0000 C CNN 1 3800 2800 0 -1 -1 0 $EndComp Wire Wire Line 3500 3100 3800 3100 Wire Wire Line 5250 3150 4300 3150 Wire Wire Line 4300 3150 4300 2800 Wire Wire Line 4300 2800 4000 2800 $Comp L 16WWOffGrid-rescue:Battery PV3 U 1 1 579F96D1 P 3150 3250 F 0 "PV3" H 3250 3300 50 0000 L CNN F 1 "60-cell PV" H 2900 3000 50 0000 L CNN F 2 "" V 3150 3290 50 0000 C CNN F 3 "" V 3150 3290 50 0000 C CNN 1 3150 3250 1 0 0 -1 $EndComp Connection ~ 3500 3400 Wire Wire Line 3150 3100 3150 2500 Wire Wire Line 3150 2500 3800 2500 Wire Wire Line 5600 4600 5600 5150 Wire Wire Line 5900 4700 5950 4700 Wire Wire Line 3500 3400 5250 3400 $Comp L 16WWOffGrid-rescue:GND #PWR? U 1 1 5CEBDC1F P 7750 5450 F 0 "#PWR?" H 7750 5200 50 0001 C CNN F 1 "GND" H 7750 5300 50 0000 C CNN F 2 "" H 7750 5450 50 0000 C CNN F 3 "" H 7750 5450 50 0000 C CNN 1 7750 5450 1 0 0 -1 $EndComp $Comp L 16WWOffGrid-rescue:+12V #PWR? U 1 1 5CEBEC07 P 7750 5100 F 0 "#PWR?" H 7750 4950 50 0001 C CNN F 1 "+12V" H 7750 5240 50 0000 C CNN F 2 "" H 7750 5100 50 0000 C CNN F 3 "" H 7750 5100 50 0000 C CNN 1 7750 5100 1 0 0 -1 $EndComp $Comp L 16WWOffGrid-rescue:FUSE F? U 1 1 5CEC0166 P 6700 5150 F 0 "F?" H 6800 5200 50 0000 C CNN F 1 "fuse 20A" H 6550 4950 50 0000 C CNN F 2 "" H 6700 5150 50 0000 C CNN F 3 "" H 6700 5150 50 0000 C CNN 1 6700 5150 -1 0 0 1 $EndComp Connection ~ 5600 5150 Wire Wire Line 5600 5150 5600 5750 Wire Wire Line 6450 5150 5600 5150 Wire Wire Line 6950 5150 7750 5150 Wire Wire Line 7750 5150 7750 5100 Wire Wire Line 7750 5400 5900 5400 Connection ~ 5900 5400 Wire Wire Line 5900 5400 5900 5750 Wire Wire Line 7750 5400 7750 5450 $EndSCHEMATC