Civil Engineering Reference
In-Depth Information
FIGURE 13-1
Electrical schematic of the grid-connected photovoltaic system.
FIGURE 13-2
18 kW grid-connected pv system on the Northeastern University Student Center in Boston,
MA. (Source: ASE Americas, Billerica, Massachusetts. With permission.)
to an intermediate level of 21 kV by a pad-mounted transformer. An over-
head transmission line provides the link to the site substation, where the
voltage is raised again to the grid level. The site computer, sometimes using
mulitplexer and remote radio links, controls the wind turbines in response
to the wind conditions and the load demand.
