Target-oriented

• Optimal design for grid connected PV systems
• Target-oriented suggestions for optimization of the system
• Automatic dimensioning of the cable lengths and cable cross sections

Comprehensive

• Database with established PV modules currently in operation
• Use of real, high-resolution meteorological data
• Worldwide choice of location
• Energy analysis over an operating year.

Usability

• User-friendly menu navigation
• Free download from the SMA homepage

This update includes the following changes and improvements:

Sunny Design 1.54 (June 2010)

• For inverters with 10% increased power at 25°C ambient temperature (Sunny Central -11 and -CP) the recommendation for the minimum nominal power ratio was reduced by 5% for all regions. The nominal powers of these devices now applies to 50°C.
  
  
• During the calculation of the maximum permissible DC current on page 2 the maximum input current of the inverter is again now exclusively used.
  
  
• In the case of Sunny Tripower the automatic string allocation has been improved.
  
  
• The display of the information dialog during the selection of a reactive power-capable inverter has been optimized. The dialog is now first displayed if the user changes the pre-configured displacement factor. Additionally the dialog only appears once during a session.
  
  
• New inverters:
  
  • Sunny Central SC 720CP
  • Sunny Central SC 760CP
  • Sunny Boy 3000TL-20/V 0158
    
    
• The module database was extended by more than 150 new modules.
  
  
• The selection of weather data has been extended by 17 locations in 10 countries:
  
  • Serbia: Belgrade
  • Lithuania: Vilnius
  • USA: Austin, Honolulu, Nashville (Tennessee), Dayton, Kansas City
  • Haiti: Port au Prince
  • Canada : Windsor
  • Ecuador: Quito, Guayaquil, Galapagos Islands
  • Paraguay: Asuncion
  • Brazil: Brasilia
  • Uruguay: Montevideo, Tacuarembó
  • Barbados : Bridgetown
    
    
• The weather data for Alice Springs, Central Africa and Estonia (Tallinn) has been updated.
  
  
• Troubleshooting
  
  • A fault during copying of the user module data base has been corrected
  • In the system overview the inverter display has been corrected
  • The file name of the project is now correctly displayed in the title list as well as in printouts.
  • A fault during closing of the help dialog has been corrected.
  • The checking of too-high string open-circuit voltage is now correct.
  • Two small faults during calculation for the proposal for the string allocation in the case of Sunny Tripower have been corrected.