GE Multilin G650 Manual page 171

5.4 PROTECTION ELEMENTS
The distribution of protection elements in tabled groups is described in Table 5–27:
Table 5–27: DISTRIBUTION OF PROTECTION AND CONTROL ELEMENTS
DEVICE NUMBER FUNCTION
24 Volt/Hertz (only enhanced model)
25 Synchronism Check (No group concept)
27P Phase Undervoltage
27X Auxiliary Undervoltage
32DIR Directional Power
40 Loss of Excitation
46 Generator Unbalance
47 Negative Sequence Overvoltage
49S Generator thermal model
50/27 Inadvertent Generator Energization
50-2 Negative Sequence IOC/
50BF Breaker Failure(only enhanced model)
50G Ground Instantaneous Overcurrent (measured from 4
50N Neutral Instantaneous Overcurrent (calculated from the phase currents)
50P Phase Instantaneous Overcurrent
50SG Sensitive Ground IOC (only enhanced model)
51-2 Negative Sequence TOC
51G Ground Time Overcurrent (measured from 4
51N Neutral Time Overcurrent (calculated from the phase currents)
5
51P/V Voltage Restraint Overcurrent High
51P/V Voltage Restraint Overcurrent Low
51SG Sensitive Ground TOC (only enhanced model)
55 Power Factor Limiting(only enhanced model)
59G Ground Overvoltage
59N Neutral Overvoltage
59P Phase Overvoltage
59X Auxiliary Overvoltage
67G Ground Directional
67N Neutral directional
78V Loss of mains (only enhanced model)
81O Overfrequency
81U Underfrequency
81R Frequency Rate of Change
87G Restricted Ground Fault (only enhanced model)
VTFF VT Fuse Failure (only enhanced model) (No group concept)
Pulse Counters (No group concept)
Analog Comparators (No group concept)
The settings used for setting table management are located in Setpoint >Control Elements > Setting Group:
Table 5–28: SETTING GROUP SETTINGS
SETPOINT > CONTROL ELEMENTS > SETTING GROUP
Setting Description
Setting Grouping Permission
Active Group
Snapshot Event generation
Setting Group settings are as follows:
5-28
current transformer)
th
current transformer)
th
Name Default Value Step
Function DISABLED
Active Group GROUP 1
Snapshot Events ENABLED
G650 Generator Protection & Control System
TABLE 1 TABLE 2
1x24 1x24
NA NA
1x27P 1x27P
1x27X 1x27X
1x32 1x32
1x40 1x40
1x46 1x46
1x47 1x47
1x49S 1x49S
1x50/27 1x50/27
1x50-2 1x50-2
NA NA
1x50G 1x50G
1x50N 1x50N
1x50P 1x50P
1x50SG 1x50SG
1x51-2 1x51-2
1x51G 1x51G
1x51N 1x51N
1x51PH 1x51PH
1x51PL 1x51PL
1x51SG 1x51SG
1x55 1x55
1x59G 1x59G
1x59N 1x59N
1x59P 1x59P
1x59X 1x59X
1x67G 1x67G
1x67N 1x67N
1x78V 1x78V
1x810 1x810
1x81U 1x81U
1x81R 1x81R
1x87G 1x87G
NA NA
NA NA
NA NA
Range
N/A [DISABLED – ENABLED]
N/A [GROUP 1 – GROUP 2 – GROUP 3]
N/A [DISABLED – ENABLED]
5 SETTINGS
TABLE 3
1x24
NA
1x27P
1x27X
1x32
1x40
1x46
1x47
1x49S
1x50/27
1x50-2
NA
1x50G
1x50N
1x50P
1x50SG
1x51-2
1x51G
1x51N
1x51PH
1x51PL
1x51SG
1x55
1x59G
1x59N
1x59P
1x59X
1x67G
1x67N
1x78V
1x810
1x81U
1x81R
1x87G
NA
NA
NA
GEK-113285A