Schweitzer Engineering Laboratories SEL-311B, Instruction Manual

Page: 273 / 602

Date Code 20011205 Setting the Relay 9-19
SEL----311B Instruction Manual
Row Bit Definition
Primary
Application
67G2T Level 2 residual ground definite-time overcurrent
element 67G2T timed out (derived from 67G2; see
Figure 3.16)
50G3 Level 3 residual ground instantaneous overcurrent
element (residual ground current above pickup
setting 50G3P; see Figure 3.16)
67G3 Level 3 torque controlled residual ground
instantaneous overcurrent element (derived from
50G3; see Figure 3.16)
67G3T Level 3 residual ground definite-time overcurrent
element 67G3T timed out (derived from 67G3; see
Figure 3.16)
*
*
28 51P Maximum phase current above pickup setting 51PP
for phase time-overcurrent element 51PT (see
Figure 3.18) Testing, Control
51PT Phase time-overcurrent element 51PT timed out (see
Figure 3.18) Tripping
51PR Phase time-overcurrent element 51PT reset (see
Figure 3.18) Testing
Z1X Zone 1 extension element picked up (see
Figure 3.11) Indication
59VA Channel VA voltage window element (channel VA
voltage between threshold settings 25VLO and
25VHI; see Figure 3.24)
MAB3 Mho AB phase distance zone 3 instantaneous (see
Figure 3.6) Testing
MBC3 Mho BC phase distance zone 3, instantaneous (see
Figure 3.6)
MCA3 Mho CA phase distance zone 3, instantaneous (see
Figure 3.6)
29 MAG3 Mho ground distance A-phase, zone 3 (see
Figure 3.9)
MBG3 Mho ground distance B-phase, zone 3 (see
Figure 3.9)
MCG3 Mho ground distance C-phase, zone 3 (see
Figure 3.9)