GE F650 - Page 89

GEK-106310AE F650 Digital Bay Controller 3-23
3 HUMAN INTERFACES. SETTINGS & ACTUAL VALUES 3.1 ENERVISTA 650 SETUP SOFTWARE INTERFACE
3
Table 3.12: PROTECTION ELEMENTS INCLUDED
These menus will be available under setting group menus for relays with firmware version 7.50 or above. For firmware
version below 7.5, these menus will be located directly under Protection Element menu.
PHASE
CURRENT
Phase TOC High Phase time overcurrent, high level (51PH)
Phase TOC Low Phase time overcurrent, low level (51PL)
Phase IOC High Phase instantaneous overcurrent, high level (50PH)
Phase IOC Low Phase instantaneous overcurrent, low level (50PL)
Phase Directional Phase directional unit (67P). Quadrature Voltage for polarization
Thermal Model Thermal model or Thermal image unit for phases (49)
NEUTRAL
CURRENT
Neutral TOC Neutral time overcurrent (51N)
Neutral IOC Neutral instantaneous overcurrent (50N)
Neutral Directional Neutral directional unit (67N). Voltage, current and dual polarization.
GROUND
CURRENT
Ground TOC Ground time overcurrent (51G)
Ground IOC Ground instantaneous overcurrent (50G)
Ground Directional Ground directional unit (67G). Voltage, current and dual polarization.
SENSITIVE
GROUND
CURRENT
Sensitive Ground TOC Sensitive ground time overcurrent (51SG).
Sensitive Ground IOC Sensitive ground instantaneous overcurrent (50SG).
Isolated Ground IOC Isolated ground overcurrent (50IG)
Sensitive Ground
Directional
Sensitive ground directional unit (67SG)
NEGATIVE
SEQUENCE
CURRENT
Negative Sequence
TOC
Negative sequence time overcurrent (46P)
VOLTAGE
ELEMENTS
Phase UV Phase undervoltage (27P)
Phase OV Phase overvoltage (59P)
Neutral OV High Neutral overvoltage, high level (59NH)
Neutral OV Low Neutral overvoltage, low level (59NL)
Negative Sequence
OV
Negative sequence overvoltage (47)
Auxiliary OV Auxiliary overvoltage (59X)
Auxiliary UV Auxiliary undervoltage (27X)
POWER
Forward Power Forward power (32FP), in primary values.
Directional Power Directional power (32), in primary values.
Watt Gnd Flt High Wattmetric ground fault high (32N High), in secondary values
Watt Gnd Flt Low Wattmetric ground fault low (32N Low), in secondary values