UNDERGROUND LINE SECTION PLACEMENT

The fields “In corridor”, “Start” and “End” are read-only. To change those fields, you must follow the instructions below.

TO SPECIFY THE SECTION PLACEMENT

1. Click on the Section Placement button . A dialog box will appear.

2a. Select a corridor from the Corridor dropdown list. All the overhead constructions and cable sections in the selected corridor will be displayed in layout view. This example corridor has one overhead construction with tower type PSA-1-500 from 0 to 150 miles, and a underground section between 0 and 10 mile.

2b. Press button  if you want to open the Corridor Data Form to modify the constructions in a corridor or to create a new corridor.

3. Enter the section Start and End markings. These distances are measured from the beginning of the selected corridor. Underground line section can be placed at the same corridor location where overhead construction already exists. However the program will ignore any possible mutual coupling between overhead and underground circuits in line impedance calculation.