Application example
46 750/760 Quick Reference Guide
PHASE TIME OC 1 FUNCTION: “Trip”
PHASE TIME OC 1 PICKUP: “1.40 x CT” (calculated as 840 A pickup / 600 A primary)
PHASE TIME OC 1 CURVE: “Mod Inverse”
PHASE TIME OC 1 MULTIPLIER: “20.20”
PHASE TIME OC 1 RESET: “Instantaneous”
For the Phase Instantaneous Overcurrent 1 element, enter the following values in the S5
PROTECTION
Z PHASE CURRENT ZV PHASE INST OVERCURRENT 1 setpoints page. Press
the message down key after each setpoint is completed to move to the next message.
PHASE INST OC 1 FUNCTION: “Trip”
PHASE INST OC 1 PICKUP: “1.40 x CT” (calculated as 840 A pickup / 600 A primary)
PHASE INST OC 1 DELAY: “0.00 s”
PHASES REQUIRED FOR OPERATION: “Any Two”
For the Phase Instantaneous Overcurrent 2 element, enter the following values in the S5
PROTECTION
Z PHASE CURRENT ZV PHASE INST OVERCURRENT 2 setpoints page. Press
the message down key after each setpoint is completed to move to the next message.
PHASE INST OC 2 FUNCTION: “Trip”
PHASE INST OC 2 PICKUP: “16.83 x CT” (from 10100 A pickup / 600 A primary)
PHASE INST OC 2 DELAY: “0.00 s”
PHASES REQUIRED FOR OPERATION: “Any Two”
Using EnerVista 750/760 Setup, select the Setpoints > S5 Protection > Phase Current
menu item. All setpoints related to phase current will appear grouped in a single page with
identification tabs as shown below:
Individual pages can also be selected by clicking on the corresponding group from the
menu tree. To set the Phase Time Overcurrent 1 function:
To Next Page
Loading...
