Coordination Focus

After you complete entering data of protective devices in the one-line diagram, you can plot their TCC curves. To do so, click Coordination.

  • When you enter the coordination focus, the Coordination tab is displayed.
  • When you plot a TCC the TCC tab is displayed.

Coordination Tab (ANSI)

Figure 1: Coordination Tab

Coordination Tab (IEC)

The Coordination tab for IEC is similar to ANSI, but includes the following differences.

Note: SmartPDC is not currently available in Coordination for IEC.

Figure 2: Coordination tab for IEC

TCC Tab

Figure 3: TCC Tab

Note: The TCC Access, Action, and Oneline Display buttons for the TCC tab are the same as those for the Coordination tab for ANSI and IEC. SmartPDC and Arc Flash are not currently available for IEC.

TCC Status Bar

Figure 4: TCC Status Bar

The TCC status bar appears at the bottom of the window and indicates the following settings:

Option

Description

Grid Snap Status

Displays SNAP if grid snapping is on. See The Snap Grid for more information.

Fault Type

Displays the selected fault type.

Calc Method

Calculation method (ANSI or IEC) selected in Tools > Options > System.

Voltage

Either kV or per-unit.

Driving Point kV

The driving point voltage value as set in Short Circuit Options on the Control tab.

Coordinates

Displays the coordinates of the pointer arrow on the time-current curve by current (amperes) @ time (seconds).

More Information

Coordination with PowerProtectorâ„¢ Plotting a TCC Curve from a One-Line
Plotting Motor Starting Curve on TCC Plotting Items in MCCs and Panels