Page 156 - Alternative Energy Systems in Building Design

132 SOLAR POWER SYSTEM PHYSICS AND TECHNOLOGIES

Figure 3.68 Nonpenetrating roof-mounted solar power installation with
adjustable tilt support platform. Photo courtesy of DPW Solar.

Data-acquisition system The central supervisory system gathers and displays the
following data:

■ Project location (on globe coordinates, zoom in and out)
■ Current and historical weather conditions
■ Current positions of the sun and moon and the date and time (local and global)
■ Power generation—total system or individual buildings and inverters
■ Historical power generation
■ Solar system environmental impact
■ System graphic configuration data
■ Educational PowerPoint presentations
■ Temperature
■ Wind velocity and direction
■ Sun intensity
■ Solar power output
■ Inverter output
■ Total system performance and malfunction
■ DC power production