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Power Design Pro™ Tip: Project Setup and Reporting

Power Design Pro™ Tip: Project Setup and Reporting


This is the third article in our series about Power Design Pro™ Software and it covers the Project Setup sequence for sizing and selecting a generator solution, as well as the various reports that are available. (view Project Setup screen)

When you log into the program, the Prepared By section will automatically populated with your user information. The next two screens require basic Contact Information about the project and Environment where the generator will be located.

Electrical Configuration
This section allows you to enter specific Phase, Frequency and Voltage. For Frequency, the program supports 60 and 50 hertz applications, but selecting 50 hertz limits the number of Generac generators that support that rating. Voltage is selected in two steps – nominal and specific. For a given alternator and design, there is a limited range of available site specific voltages. To support the vast variety of voltages found around the world, you select an appropriate nominal voltage, which in turn selects the appropriate alternator and connection. The nominal voltage can then be adjusted to a site-specific value.

Electrical Performance
Generally, you can size to 100% however, it is industry standard to size the generator to 80%. However, Power Design Pro™ does allow you to refine load characteristics to achieve more realistic modeling.  (view Maximum Allowable Transients screen)

This section of the software also allows you to select Maximum Allowable Transients (Voltage and Frequency Dips) and Maximum Allowable Voltage Distortion (Continuous and Momentary). There are a lot of considerations in these selections. The good news is Power Design Pro™ allows you to make a selection and view the effects on the respective detail pages. You can also manually select a particular generator and view the results; which provides you with immediate feedback for a variety of options.

Under this section the options are Duty, Fuel and US EPA required. Note: you may get a “no solutions available” message when you select fuel type. If that happens, change the fuel type.

Generator Configuration
These inputs (Application, Enclosure, Sound, Fuel Tank, Run Time) are used to select the most appropriate generator family and provide some basic details to allow Generac’s distribution to provide further support if requested. (view Generator Configuration screen)

Load Sequence Configuration
The software supports both traditional sequenced (concurrent starting) and the flexibility to set loads into loads steps with the priorities of emergency, priority 1-3, cyclic 1-3 and traditional load steps 1 to 20. (view Load Sequence Configuration screen)

All the load sequences assume a load factor of 100% with the exception of the cyclic sequences. These sequences assume that the largest load in the sequence is “on” and then it applies the user selected load factor to the remainder of the loads in the sequence. This allows you to enter all the loads but you do not have to assume that they are all running concurrently. Also designating that the largest load is “on” ensures that the generator has enough capacity to support the starting and running of the largest load in the load sequence.

Select between English and Metric units.

Restore Defaults
Power Design Pro™ allows you to set standard configuration settings to match your local market norm, saving you time once that information is entered. Selecting this option restores all the settings you have selected to your specific default settings. To see those settings, select User Settings – User Default Settings.

This covers the basic project setup; however, key inputs such as Transient Analysis, Harmonic Analysis (highlighted in the June issue of PowerConnect), Layout and more, can be further refined to refine the specifics of your application.


Once you have saved your project you can view a variety of reports. On the left navigation bar, click on the “Analysis Tab” and make your report selection.  You can choose from:

  • Project Summary Report
  • Transient Analysis
  • Harmonic Analysis
  • Gas Piping
  • Exhaust Piping
  • Layout

The Project Summary Report provides an overview while each subsection provides a more in-depth look at the various options you selected. (view Project Summary Report screen)

Click here for more information on Power Design Pro™.