Solar Power Cube v17.10: Difference between revisions

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   [[Image:PC17.10-Solar-Panel.png Solar Panel]]
   [[Image:PC17.10-Solar-Panel.png Solar Panel]]
   Voltage: 36.1 VDC
   STC Power Rating 290W
   Amps: 7.76 A
  PTC Power Rating 263.07W 1
   Watts: 280
   STC Power per unit of area 13.8W/ft2 (148.2W/m2)
   Cells: 72
  Peak Efficiency 14.82%
   Dimensions: 77.4in (1,966mm) x 39.4in (1,000mm) x 2in (50mm)
   Power Tolerances -3%/+3%
   Weight: 57.3lb (26kg)  
   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)  
  [http://www.solardesigntool.com/components/module-panel-solar/Hanwha-SolarOne/2921/HSL72P6-PC-1-290/specification-data-sheet.html;jsessionid=7BE62887354D7FE2C0A6800E360BB511 Hanwha Solar Panel]


===DC Motor and Controller===
===DC Motor and Controller===

Revision as of 13:22, 3 October 2017

Solar Power Cube 17.10

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

 PC17.10-Solar-Panel.png 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

 PC17.10-450W-DC-Motor-Gear.png 450W DC Motor
 450W 36 V DC electric motor MY1020z gear reduction
 Nominal Rated Input Voltage:  36 V
 Base RPM:     450
 Full Load Amps:       16
 Current Type:         DC
 Tools and Thick Wire  Gear Ratio:     6.67:1
 Spraying Water        Reversible/Non-Reversible:      Reversible
 EBAY MY1020z $67.05

 PC17.10-20A-PW-Motor-Speed-Control.png 20A Controller
 Controller: 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 regulating type: adjust flow
 Speed mode: potentiometer (linear)
 Speed range: 0-100%
 Control frequency: 25KHZ
 Forward reversal: support
 Suitable for motor: DC brush
 Potentiometer 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

 PC17.10-Hydr-Power-Unit.png 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

Hydraulic Motor

 PC17.10-Hydr-Motor.png Hydraulic Motor
 31.88 cubic inch / revolution
 SAE 10 ports
 SAE 4 case drain

Calculations

Power

 Max Input: 280 W / (746 W/HP) = 0.375 HP

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"]
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