S&C Instruction Sheet 681-530
51
Performing a Trip Test
The
Test Trip
menu contains eight trip modes:
Trip Mode: Three-Phase, Interrupter 1, All Phases
Trip Mode: Three-Phase, Interrupter 2, All Phases
Trip Mode: Single-Phase, Interrupter 1, Phase A
Trip Mode: Single-Phase, Interrupter 1, Phase B
Trip Mode: Single-Phase, Interrupter 1, Phase C
Trip Mode: Single-Phase, Interrupter 2, Phase A
Trip Mode: Single-Phase, Interrupter 2, Phase B
Trip Mode: Single-Phase, Interrupter 2, Phase C
To test trip the Vista Underground Distribution Switchgear:
STEP 1.
Click on the
Test Trip
tab and select the
Test Trip
menu. From the drop-down
menu, select the
Trip
mode desired for the switchgear confi guration. Only
three-phase test trips are available for three-pole fault interrupters and only
single-phase test trips are available for single-pole fault interrupters. See
Figure 41. A confi rmation menu will appear asking “Test Trip Command to be
Issued. OK to continue?”
Figure 41. The Test Trip Menu.
STEP 2.
Click on the
Execute
button to proceed with the Trip test. Click on the
Cancel
button to return to the
Test Trip
menu.