J.5
Date Code 20150130 Instruction Manual SEL-787 Relay
Relay Word Bits
Definitions
3PWR2T Three phase power element 2 trip 6
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 maximum phase instantaneous overcurrent element pickup—Winding 1 10
50P11T Level 1 maximum phase instantaneous overcurrent element trip—Winding 1 1
50P11AP Level 1 A-phase instantaneous overcurrent element pickup—Winding 1 91
50P11AT Level 1 A-phase instantaneous overcurrent element trip—Winding 1 91
50P11BP Level 1 B-phase instantaneous overcurrent element pickup—Winding 1 92
50P11BT Level 1 B-phase instantaneous overcurrent element trip—Winding 1 92
50P11CP Level 1 C-phase instantaneous overcurrent element pickup—Winding 1 93
50P11CT Level 1 C-phase instantaneous overcurrent element trip—Winding 1 93
50P12P Level 2 maximum phase instantaneous overcurrent element pickup—Winding 1 10
50P12T Level 2 maximum phase instantaneous overcurrent element trip—Winding 1 1
50P13P Level 3 maximum phase instantaneous overcurrent element pickup—Winding 1 10
50P13T Level 3 maximum phase instantaneous overcurrent element trip—Winding 1 1
50P14P Level 4 maximum phase instantaneous overcurrent element pickup—Winding 1 10
50P14T Level 4 maximum phase instantaneous overcurrent element trip—Winding 1 1
50P21P Level 1 maximum phase instantaneous overcurrent element pickup—Winding 2 10
50P21T Level 1 maximum phase instantaneous overcurrent element trip—Winding 2 1
50P21AP Level 1 A-phase instantaneous overcurrent element pickup—Winding 2 94
50P21AT Level 1 A-phase instantaneous overcurrent element trip—Winding 2 94
50P21BP Level 1 B-phase instantaneous overcurrent element pickup—Winding 2 95
50P21BT Level 1 B-phase instantaneous overcurrent element trip—Winding 2 95
50P21CP Level 1 C-phase instantaneous overcurrent element pickup—Winding 2 96
50P21CT Level 1 C-phase instantaneous overcurrent element trip—Winding 2 96
50P22P Level 2 maximum phase instantaneous overcurrent element pickup—Winding 2 10
Table J.2 Relay Word Bit Definitions for the SEL-787 (Sheet 2 of 10)
Bit Definition Row
To Next Page
