There is an increasing demand for connection of renewable energy parks to existing power systems infrastructure.
One option is of course a direct connection at the nearest utility substation.
However quite often these renewable energy projects require connection to an existing transmission line somewhere between the utility substations and so connection options must be considered carefully.
Tee Connection
Three CB In-Out Connection
This arrangement involves three Circuyit Breakers (and associated plant) in a "Y" type arrangement