CHAPTER 5: SETPOINTS 5.4 PROTECTION ELEMENTS
GEK-106310-AF F650 DIGITAL BAY CONTROLLER 5-39
5.4 Protection elements
NOTE: Unless otherwise specified, menu references to EnerVista 650 Setup software are related to version 7.5X or above in
this section. To obtain menu information for older firmware version, refer to the corresponding manual.
5.4.1 Available settings and setting groups
Available protection elements and setting groups are described for different firmware versions, along with configuration
examples. Ensure you are looking at the correct firmware version for your relay: 5.4.1.1 Firmware 7.2x and below or 5.4.1.2
Firmware 7.50 or above.
5.4.1.1 Firmware 7.2x and below
This section only affects F650 units with firmware version 7.2x or below.
F650 relays incorporate the following protection elements:
CURRENT ELEMENTS
Instantaneous overcurrent:
3 x PHASE IOC HIGH (50PH)
3 x PHASE IOC LOW (50PL)
3 x NEUTRAL IOC (50N)
3 x GROUND IOC (50G)
3 x SENSITIVE GROUND IOC (50SG)
3 x ISOLATED GROUND IOC (50IG)
Time delayed overcurrent:
3 x PHASE TOC HIGH (51PH)
3 x PHASE TOC LOW (51PL)
3 x NEUTRAL TOC (51N)
3 x GROUND TOC (51G)
3 x SENSITIVE GROUND TOC (51SG)
Negative sequence overcurrent:
3 x NEGATIVE SEQUENCE TOC (46P)
Thermal image:
3 x THERMAL MODEL (49P)
DIRECTIONAL ELEMENTS
3 x PHASE DIR (67P)
3 x NEUTRAL DIR (67N)
3 x GROUND DIR (67G)
3 x SENSITIVE GROUND DIR (67SG)
VOLTAGE ELEMENTS
Phase under/overvoltage
3 x PHASE UV (27P)
3 x PHASE OV (59P)