Solar Power Cube v17.10: Difference between revisions
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Max Input: 290 W / (746 W/HP) = 0.389 HP | Max Input: 290 W / (746 W/HP) = 0.389 HP | ||
Motor Torque @ 450W (0.603 HP): | Motor Torque @ 450W (0.603 HP): 7.04 ft lbs | ||
===RPM input/output=== | ===RPM input/output=== |
Revision as of 14:39, 3 October 2017
The solar power cube is driven by a solar panel to pump hydraulic fluid with the initial purpose of powering an autonomous tractor for agricultural use.
Specifications
Solar Panel
STC Power Rating 290W PTC Power Rating 263.07W 1 STC Power per unit of area 13.8W/ft2 (148.2W/m2) Peak Efficiency 14.82% Power Tolerances -3%/+3% Number of Cells 72 Nominal Voltage not applicable Imp 8.02A Vmp 36.4V Dimensions: 77.6in (1,972mm) x 39.1in (992mm) x 1.6in (40mm) Weight: 50.7lb (23kg) Hanwha Solar Panel
DC Motor and Controller
450W 36 V DC electric motor MY1020z gear reduction Input Voltage: 36 V Base RPM: 450 Wires: 12 Gauge Efficiency: 78% Full Load Amps: 16 Current Type: DC Gear Ratio: 6.67:1 Shaft Diameter: 20 mm (13/16") Reversible EBAY MY1020z $67.05
PWM Motor Speed Controls DC 36V DC Gear Motor Speed Controller Input voltage: DC9-60V Output voltage: Linear load Output current: 0-20A Continuous power: 12600W Speed mode: potentiometer (linear) Speed range: 0-100% Control frequency: 25KHZ Forward reversal: support Suitable for motor: DC brush Pot mounting hole: 7mm Product size: approx. 92*50*36mm/3.62*1.96*1.41 Net weight: approx. 145g Center distance: approx. 104mm EBAY $10.99
Hydraulic Power Unit
Power 5 HP 3600 RPM Flow 2 GPM max. Pressure 2500 PSI max. Reservoir 1.1 gallons Shaft 1/2" dia. x 7/8" w/keyway Rotation CW Ports 3/8" NPT pressure Return 3/8" & 3/4" NPT Orientation Vertical Size 10" x 10" x 10" Shpg. 13 lbs. Surplus Center Hydraulic Power Unit $109.95
Timing Belt and Pulleys
File:PC17.10-Timig-Pulleys.png Timing Belt
Hydraulic Motor (for reference)
31.88 cubic inch / revolution SAE 10 ports SAE 4 case drain
Calculations
Power
Max Input: 290 W / (746 W/HP) = 0.389 HP Motor Torque @ 450W (0.603 HP): 7.04 ft lbs
RPM input/output
Max motor RPM: 2500 Max Hydraulic Pump RPM: 3600 Max Hydraulic Motor RPM: 240 Estimated Max Wheel RPM: 1
Max Torque input / output
Power Cube Working Document
["https://docs.google.com/spreadsheets/d/1KNVP2O3KogC6jyxMuRALWTxrYjyCJ4ChjeZsJVdqHsg/edit#gid=1"]