GE L60 Instruction Manual page 18

PRODUCT DESCRIPTION
Table 2-1: ANSI device numbers and functions supported
Device Function
number
21G Ground distance
21P Phase distance
25 Synchrocheck
27P Phase undervoltage
2
27X Auxiliary undervoltage
32N Wattmetric zero-sequence directional
49 Thermal overload protection
50BF Breaker failure
50DD Disturbance detector
50G Ground instantaneous overcurrent
50N Neutral instantaneous overcurrent
50P Phase instantaneous overcurrent
50_2 Negative-sequence instantaneous overcurrent
51G Ground time overcurrent
51N Neutral time overcurrent
Table 2-2: Other device functions
Function
Breaker Arcing Current (I
Breaker Control
Breaker Flashover
Breaker Restrike
Contact Inputs (up to 96)
Contact Outputs (up to 64)
Control Pushbuttons
CT Failure Detector
CyberSentry™ Security
Data Logger
2-4
Figure 2-2: Single-line diagram
Function
2
t) Line Pickup
Load Encroachment
Metering: Current, Voltage, Power, Frequency
Modbus Communications
Modbus User Map
Non-Volatile Latches
Non-Volatile Selector Switch
Open Breaker Echo
Open Pole Detector
Oscillography
CHAPTER 2: PRODUCT DESCRIPTION
Device Function
number
51P Phase time overcurrent
51_2 Negative-sequence time overcurrent
52 AC circuit breaker
59C Compensated overvoltage
59N Neutral overvoltage
59P Phase overvoltage
59X Auxiliary overvoltage
59_2 Negative-sequence overvoltage
67N Neutral directional overcurrent
67P Phase directional overcurrent
67_2 Negative-sequence directional overcurrent
68 Power swing blocking
78 Out-of-step tripping
79 Automatic recloser
87PC Phase comparison
L60 LINE PHASE COMPARISON SYSTEM – INSTRUCTION MANUAL