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In ( ) = modules required for the test

Basic experimental 

• Recording the characteristic curve of a diode
  (ST 16, ST 18, ST 24, ST 27, ST 99)
• Recording the characteristic curve of a diode series connection
  (ST 16, ST 18, ST 24, ST 27, ST 99) 

Measurements with the solar module 

• Recording the characteristic curve of a solar module monocrystalline
  (ST 01, ST 14 (with ST 28 monocrystalline), ST 18, ST 20 RW, ST 24, ST 99)
• Recording the characteristic curve of a solar module polycrystalline
  (additionally ST 28 polycrystalline) 
• Recording the characteristic curve of a solar modul amorphous
  (additionally ST 28 amorphous) 
• Recording the characteristic curve of a solar module outdoor
  (additionally ST 15, ST 22) 
• Recording the characteristic curves of a solar module with different irradiations, monocrystalline
  (ST 01, ST 14 (with ST 28 monocrystalline), ST 18, ST 20 RW, ST 24, ST 99) 
• Recording the characteristic curves of a solar module with different irradiations, polycrystalline
  (additionally ST 28 polycrystalline) 
• The effect of the temperature on the characteristic curve of a solar module, monocrystalline
  (ST 01, ST 14 (with ST 28 monocrystalline), ST 18, ST 20 RW, ST 24, ST 99) 
• The effect of the temperature on the characteristic curve of a solar module, polycrystalline
  (additionally ST 28 polycrystalline) 
• The effect of the angle of inclination on the power output of a solar module
  (ST 01, ST 14, ST 18, ST 24, ST 99) 
• Recording a daily progression for summer and winter
  (ST 01, ST 14, ST 18, ST 24, ST 99) 

Measurements with simulators 

• Series connection of solar modules
  (2 x ST 02, ST 18, ST 20 RW, ST 24, ST 99) 
• Parallel connection of solar modules
  (2 x ST 02, ST 18, ST 20 RW, ST 24, ST 99) 
• Shading of solar modules without bypass diode
  (2 x ST 02, ST 18, ST 20 RW, ST 24, ST 99) 
• Shading of solar modules with bypass diode
  (2 x ST 02, ST 18, ST 20 RW, ST 24, ST 99)

Measurements in parallel operation 

• Photovoltaic unit for grid-connected system operation
  (4 x ST 02, ST 03, ST 05 O, ST 07, ST 10, ST 11, ST 18, ST 20 AC, ST 99) 
• Photovoltaic unit for grid-connected system operation measuring the inverter efficiency
  (4 x ST 02, ST 03, ST 05 O, ST 07, ST 10, (or ST 11), ST 18, ST 24, ST 99) 

Measurements in the off-grid operation 

• Photovoltaic unit for island-grid system operation direct coupling
  (ST 02, ST 18, ST 20 RW, ST 24, ST 99) 
• Photovoltaic unit for island-grid system operation with DC load
  (4 x ST 02, ST 03, ST 04, ST 08, ST 09, ST 18, ST 20 RW, ST 21, ST 23, ST 99)
• Photovoltaic unit for island-grid system operation with AC load
  (4 x ST 02, ST 03, ST 04, ST 06 S, ST 08, ST 09, ST 18, ST 21, ST 24, ST 99)

ST 18 alternativ ST 19.

Due to the modular structure of the Profi other than the tests listed are possible. Furthermore also general contents are communicable like recording of the voltage drop in the wirings, degree of effectiveness inquiry, Representation and inquiry of faults. 

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