Schweitzer Engineering SEL-351P - Page 429

Date Code 990430 Setting the SEL-351P Recloser Control 9-23
SEL-351P Manual Técnico
Row Bit Definition
Primary
Application
6 51N1R Neutral ground time-overcurrent element 51N1T
reset (see Figure 3.16)
Testing
51G1 Residual ground current above pickup setting 51G1P
for residual ground time-overcurrent element 51G1T
(see Figure 3.18)
Testing, Control
51G1T Residual ground time-overcurrent element 51G1T
timed out (see Figure 3.18)
Tripping
51G1R Residual ground time-overcurrent element 51G1T
reset (see Figure 3.18)
Testing
51P2 Maximum phase current above pickup setting 51P2P
for phase time-overcurrent element 51P2T (see
Figure 3.15)
Testing, Control
51P2T Phase time-overcurrent element 51P2T timed out
(see Figure 3.15)
Tripping
51P2R Phase time-overcurrent element 51P2T reset (see
Figure 3.15)
Testing
51N2 Neutral ground current (channel IN) above pickup
setting 51N2P for neutral ground time-overcurrent
element 51N2T (see Figure 3.17)
Testing, Control
7 51N2T Neutral ground time-overcurrent element 51N2T
timed out (see Figure 3.17)
Tripping
51N2R Neutral ground time-overcurrent element 51N2T
reset (see Figure 3.17)
Testing
51G2 Residual ground current above pickup setting 51G2P
for phase time-overcurrent element 51G2T (see
Figure 3.19)
Testing, Control
51G2T Residual ground time-overcurrent element 51G2T
timed out (see Figure 3.19)
Tripping
51G2R Residual ground time-overcurrent element 51G2T
reset (see Figure 3.19)
Testing
51Q** Negative-sequence current above pickup setting
51QP for negative-sequence time-overcurrent
element 51QT (see Figure 3.20)
Testing, Control
51QT** Negative-sequence time-overcurrent element 51QT
timed out (see Figure 3.20)
Tripping
51QR Negative-sequence time-overcurrent element 51QT
reset (see Figure 3.20)
Testing