PV*express has a one-stop navigation area with active icons. Clicking on the icon buttons in the navigation area will take you directly to any part of the program you want to get to, and allow you to switch from one dialogue to another in any order. Alternatively, you can click on the “Next” and “Back” buttons to work through the dialogue screens in succession, so that you can make sure you don't miss a dialogue. PV*express ensures reliability in the planning process by testing the interaction of modules and inverters, plus the cabling cross-sections, and recognising sizing errors.
The selection of modules and inverters is supported by an extensive database. The number of modules required, after selection of a module type from the database list, is determined either by entering the power output or by sketching the module layout in a diagram of the roof surface. With PV*express you are able to determine the generator output through a diagram of the available roof surface.
You can enter the dimensions of the available roof surface and cover this with the possible number of pre-selected modules, as well as taking into account obstacles such as windows and chimneys.
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