
J.5
Date Code 20081022
Instruction Manual
SEL-787 Relay
Relay Word Bits
Definitions
50G11P
Level 1 residual ground instantaneous overcurrent element pickup—Winding 1.
11
50G11T
Level 1 residual ground instantaneous overcurrent element trip—Winding 1.
2
50G12P
Level 2 residual ground instantaneous overcurrent element pickup —Winding 1.
11
50G12T
Level 2 residual ground instantaneous overcurrent element trip—Winding 1.
2
50G21P
Level 1 residual ground instantaneous overcurrent element pickup—Winding 2.
11
50G21T
Level 1 residual ground instantaneous overcurrent element trip—Winding 2.
2
50G22P
Level 2 residual ground instantaneous overcurrent element pickup —Winding 2.
11
50G22T
Level 2 residual ground instantaneous overcurrent element trip—Winding 2.
2
50GREF1
Normalized residual current sensitivity threshold exceeded.
3
50N11P
Level 1 neutral ground instantaneous overcurrent element pickup—Input 1.
12
50N11T
Level 1 neutral ground instantaneous overcurrent element trip—Input 1.
3
50N12P
Level 2 neutral ground instantaneous overcurrent element pickup—Input 1.
12
50N12T
Level 2 neutral ground instantaneous overcurrent element trip—Input 1.
3
50NREF1
Neutral current sensitivity threshold exceeded.
3
50P11P
Level 1 phase instantaneous overcurrent element pickup—Winding 1.
10
50P11T
Level 1 phase instantaneous overcurrent element trip—Winding 1.
1
50P12P
Level 2 phase instantaneous overcurrent element pickup—Winding 1.
10
50P12T
Level 2 phase instantaneous overcurrent element trip—Winding 1.
1
50P13P
Level 3 phase instantaneous overcurrent element pickup—Winding 1.
10
50P13T
Level 3 phase instantaneous overcurrent element trip—Winding 1.
1
50P14P
Level 4 phase instantaneous overcurrent element pickup—Winding 1.
10
50P14T
Level 4 phase instantaneous overcurrent element trip—Winding 1.
1
50P21P
Level 1 phase instantaneous overcurrent element pickup—Winding 2.
10
50P21T
Level 1 phase instantaneous overcurrent element trip—Winding 2.
1
50P22P
Level 2 phase instantaneous overcurrent element pickup—Winding 2.
10
50P22T
Level 2 phase instantaneous overcurrent element trip—Winding 2.
1
50P23P
Level 3 phase instantaneous overcurrent element pickup—Winding 2.
10
50P23T
Level 3 phase instantaneous overcurrent element trip—Winding 2.
1
50P24P
Level 4 phase instantaneous overcurrent element pickup—Winding 2.
10
50P24T
Level 4 phase instantaneous overcurrent element trip—Winding 2.
1
50Q11P
Level 1 negative-sequence instantaneous overcurrent element pickup—Winding 1.
11
50Q11T
Level 1 negative-sequence instantaneous overcurrent element trip—Winding 1.
2
50Q12P
Level 2 negative-sequence instantaneous overcurrent element pickup—Winding 1.
11
50Q12T
Level 2 negative-sequence instantaneous overcurrent element trip—Winding 1.
2
50Q21P
Level 1 negative-sequence instantaneous overcurrent element pickup—Winding 2.
11
50Q21T
Level 1 negative-sequence instantaneous overcurrent element trip—Winding 2.
2
50Q22P
Level 2 negative-sequence instantaneous overcurrent element pickup—Winding 2.
11
50Q22T
Level 2 negative-sequence instantaneous overcurrent element trip—Winding 2.
2
51G1P
Residual ground time-overcurrent element pickup—Winding 1.
13
51G1R
Residual ground time-overcurrent element reset—Winding 1.
14
51G1T
Residual ground time-overcurrent element trip—Winding 1.
4
Table J.2
Relay Word Bit Definitions for the SEL-787
(Sheet 2 of 9)
Bit
Definition
Row
Summary of Contents for SEL-787
Page 1: ...20081022 SEL 787 Transformer Protection Relay Instruction Manual PM787 01 NB ...
Page 6: ...This page intentionally left blank ...
Page 12: ...This page intentionally left blank ...
Page 18: ...This page intentionally left blank ...
Page 78: ...This page intentionally left blank ...
Page 206: ...This page intentionally left blank ...
Page 280: ...This page intentionally left blank ...
Page 334: ...This page intentionally left blank ...
Page 376: ...This page intentionally left blank ...
Page 388: ...This page intentionally left blank ...
Page 474: ...This page intentionally left blank ...
Page 508: ...This page intentionally left blank ...