So, I need some advice from someone more knowledgable than me on led selection. Based on this configuration,
I 0 0 0 0 0 0 0 0 0 0 I I 0 0 0 0 0 0 0 0 0 0 I
I 0 0 0 0 0 0 0 0 0 0 I I 0 0 0 0 0 0 0 0 0 0 I
I 0 0 0 0 0 0 0 0 0 0 I I 0 0 0 0 0 0 0 0 0 0 I
___________________________________________________________________________________________________
I 0 0 0 0 0 0 0 0 0 0 I I 0 0 0 0 0 0 0 0 0 0 I
I 0 0 0 0 0 0 0 0 0 0 I I 0 0 0 0 0 0 0 0 0 0 I
I 0 0 0 0 0 0 0 0 0 0 I I 0 0 0 0 0 0 0 0 0 0 I
16" on center..
I'd like be drawing max at wall 65w per cob.......any suggestions and why?
Possibility #1
Citizen CLU048-1212 80CRI (choice of color temps) × 54 Color Temperature: 3000K
Citizen CLU048-1212 80CRI (choice of color temps) × 54 Color Temperature: 4000K
Arctic thermal pads for Citizen CLU048 series × 108
BJB holder for CLU048 series × 108 $270.00
Citizen CLU048-1212 80CRI (choice of color temps) × 54 Color Temperature: 4000K
LEDiL Angelina reflector for CREE CXB and Citizen CLU048 using Ideal holders × 48
HLG-240h-c1750b x 36
Cost $4000
54pcs
1212 3000K80Min 9 COBS @1675 mA ON 1.813 PROFILE HEATSINK
16 SQ.FT. CANOPY 94% EFFICIENT DRIVER @8.5 CENTS PER KWH
Total power watts at the wall: 606.21
Cobs power watts: 569.84
Total voltage forward: 340.20
Total lumens: 82628.27
Total PAR watts assuming 10% loss: 226.72
Total PPF: 1224.31
PPFD based on canopy area: 823.65
PAR watts per sq.ft.: 14.17
Cob efficiency: 44.21%
Power watts per sq.ft.: 35.61
Voltage forward per cob: 37.80
Lumens per watt: 145.00
54pcs
1212 4000K80Min 9 COBS @1675 mA ON 1.813 PROFILE HEATSINK
16 SQ.FT. CANOPY 94% EFFICIENT DRIVER @8.5 CENTS PER KWH
Total power watts at the wall: 606.21
Cobs power watts: 569.84
Total voltage forward: 340.20
Total lumens: 85183.48
Total PAR watts assuming 10% loss: 226.82
Total PPF: 1197.11
PPFD based on canopy area: 805.34
PAR watts per sq.ft.: 14.18
Cob efficiency: 44.23%
Power watts per sq.ft.: 35.61
Voltage forward per cob: 37.80
Lumens per watt: 149.49
Possibility #2
54pcs.
1818 3000K70Min 9 COBS @1250 mA ON 1.813 PROFILE HEATSINK
16 SQ.FT. CANOPY 94% EFFICIENT DRIVER @8.5 CENTS PER KWH
Total power watts at the wall: 633.11
Cobs power watts: 595.12
Total voltage forward: 476.10
Total lumens: 98760.50
Total PAR watts assuming 10% loss: 270.99
Total PPF: 1463.34
PPFD based on canopy area: 984.45
PAR watts per sq.ft.: 16.94
Cob efficiency: 50.59%
Power watts per sq.ft.: 37.20
Voltage forward per cob: 52.90
Lumens per watt: 165.95
Heatsink riser thickness / number of fins / fin's length: 0.3in/6/0.95in
Heatsink area per inch: 100.94 cm^2
Total heat watts: 291.61
umol/s/W: 2.46 LER: 328.00 QER: 4.86
Heatsink length passive cooling @120cm^2/heatwatt: 347 inches
Heatsink length active cooling @40cm^2/heatwatt: 116 inches
COB cost dollar per PAR watt: $0.76
Electric cost
@12/12 in 30 days: $19.37
Electric cost @18/6 in 30 days: $29.06
Cost per cob: $23.0
Heatsink cost per inch cut: $0.66
Total cobs cost: $207.0
Total heatsink passive cooling cost: $229.02
Total heatsink active cooling cost: $76.56
54pcs
1818 4000K80Min 9 COBS @1250 mA ON 1.813 PROFILE HEATSINK
16 SQ.FT. CANOPY 94% EFFICIENT DRIVER @8.5 CENTS PER KWH
Total power watts at the wall: 633.11
Cobs power watts: 595.12
Total voltage forward: 476.10
Total lumens: 96376.46
Total PAR watts assuming 10% loss: 256.62
Total PPF: 1354.40
PPFD based on canopy area: 911.17
PAR watts per sq.ft.: 16.04
Cob efficiency: 47.91%
Power watts per sq.ft.: 37.20
Voltage forward per cob: 52.90
Lumens per watt: 161.94
Heatsink riser thickness / number of fins / fin's length: 0.3in/6/0.95in
Heatsink area per inch: 100.94 cm^2
Total heat watts: 309.46
umol/s/W: 2.28 LER: 338.00 QER: 4.75
Heatsink length passive cooling @120cm^2/heatwatt: 368 inches
Heatsink length active cooling @40cm^2/heatwatt: 123 inches
COB cost dollar per PAR watt: $0.81
Electric cost
@12/12 in 30 days: $19.37
Electric cost @18/6 in 30 days: $29.06
Cost per cob: $23.0
Heatsink cost per inch cut: $0.66
Total cobs cost: $207.0
Total heatsink passive cooling cost: $242.88
Total heatsink active cooling cost: $81.18
Possibilty #3
108pcs
CXB3590CD36V3500K 9 COBS @1.75A ON 1.813 PROFILE HEATSINK
16 SQ.FT. CANOPY 94% EFFICIENT DRIVER @8.5 CENTS PER KWH
Total power watts at the wall: 594.68
Cobs power watts: 559
Total voltage forward: 319
Total lumens: 91452
Total PAR watts assuming 10% loss: 266
Total PPF: 1236.9
PPFD based on canopy area: 832.12
PAR watts per sq.ft.: 16.63
Cob efficiency: 52.87%
Power watts per sq.ft.: 34.94
Voltage forward per cob: 35.49
Lumens per watt: 163.6
Heatsink riser thickness / number of fins / fin's length: 0.3in/6/0.95in
Heatsink area per inch: 100.94 cm^2
Total heat watts: 263
umol/s/W / CRI: 4.65 / Estimated
Heatsink length passive cooling @120cm^2/heatwatt: 313 inches
Heatsink length active cooling @40cm^2/heatwatt: 104 inches
COB cost dollar per PAR watt: $1.61
Electric cost
@12/12 in 30 days: $18.7
Electric cost @18/6 in 30 days: $27.8
Cost per cob: $47.62
Heatsink cost per inch cut: $0.66
Total cobs cost: $429
Total heatsink passive cooling cost: $207
Total heatsink active cooling cost: $68