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© 2007 Schneider Electric. All Rights Reserved.
63230-216-229-B1
Installation
Introduction
Selection Table
Substation Transformer Motor Generator Bus Cap.
Protection ANSI CodeS80 S81 S82 S84 T81 T82 T87 M81 M87 M88 G82 G87 G88 B80 B83 C86
Phase overcurrent
(1)
50/51 8 8 8 88888 8 88888 88
Ground fault / Sensitive ground
fault
(1)
50N/51N
50G/51G
8 8 8 88888 8 88888 88
Breaker failure 50BF 1 1 1 11111 1 11111 11
Negative sequence / unbalance 46
2 2 2 22222 2 22222 22
Thermal overload for cables 49RMS
2 2 2
Thermal overload for machines
(1)
49RMS 2222 2 2222
Thermal overload for capacitors 49RMS 2
Capacitor bank unbalance 51C
8
Restricted ground fault 64REF 222 22
Two-winding transformer
differential
87T 1 11
Machine differential 87M 1 1
Directional phase overcurrent
(1)
67 2 222 222
Directional ground fault
(1)
67N/67NC 2 2 22222 2 2222
Directional active overpower 32P 2 2 22222 2 2222
Directional reactive overpower 32Q 1 1 1111
Directional active underpower 37P 2 2
Phase undercurrent 37 1 1 1
Excessive starting time, locked
rotor
48/51LR 1 1 1
Starts per hour 66 1 1 1
Field loss (underimpedance) 40 1 1 1111
Pole slip 78PS 1 1 1111
Overspeed (2 set points)
(2)
12 v v v v v v
Underspeed (2 set points)
(2)
14 v v v v v v
Voltage-restrained overcurrent 50V/51V 222
Underimpedance 21B 111
Inadvertent energization 50/27 111
Third harmonic undervoltage /
100 % stator ground fault
27TN/64G2
64G
222
Overfluxing (V / Hz) 24 2 222
Positive sequence undervoltage 27D 2 2 2 42222 2 22224 44
Remanent undervoltage 27R
2 2 2 22222 2 22222 22
Undervoltage (L-L or L-n) 27
4 4 4 24444 4 44442 22
Overvoltage (L-L or L-n) 59
4 4 4 44444 4 44444 44
Neutral voltage displacement 59N
2 2 2 22222 2 22222 22
Negative sequence overvoltage 47
2 2 2 22222 2 22222 22
Overfrequency 81H 2 2 2 22222 2 22222 22
Underfrequency 81L
4 4 4 44444 4 44444 44
Rate of change of frequency 81R
2
Recloser (4 shots)
(2)
79 v v v v
Thermostat / Sudden pressure
(2)
26/63 vvvv vv v
Temperature monitoring
(16 RTDs)
(3)
38/49T vvvv v vvvv v
Sync-check
(4)
25 v v v vvvv vvvv v
Control and Monitoring
Circuit breaker / contactor control 94/69 v v v vvvvv v vvvvv vv
Automatic transfer (AT)
(2)
v v v v vvv vvvv v
Load shedding / automatic restart
b b b
De-excitation 41 bbb
Genset shutdown bbb
Capacitor step control
(2)
v
Logic discrimination
(2)
68 v v v v v v v v v vv v v v v v
Latching / acknowledgement 86
b b b bbbbb b bbbbb bb
Annunciation 30
b b b bbbbb b bbbbb bb
Switching of groups of settings
b b b bbbbb b bbbbb bb
Adaptation using logic equations
b b b bbbbb b bbbbb bb
Logipam programming (Ladder language)
v v v v v v v v v v v v v v v v
The figures indicate the number of relays available for each protection function.
b standard, v options.
(1) Protection functions with two groups of settings.
(2) According to parameter setting and optional MES120 input/output modules.
(3) With optional MET1482 temperature input modules.
(4) With optional MCS025 sync-check module.
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