Schweitzer Engineering Laboratories SEL-351 - Page 108

3-30 Overcurrent, Voltage, Synchronism Check, Frequency, and Power Elements Date Code 20001006
SEL-351 Instruction Manual
Table 3.8: Voltage Elements Settings and Settings Ranges (Wye-Connected Voltages)
Voltage Element
(Relay Word bits)
Operating
Voltage
Pickup Setting/Range See Figure
27A1 V
A
27P1P Figure 3.21
27B1 V
B
0.00 - 150.00 V secondary {150 V voltage inputs}
27C1 V
C
0.00 - 300.00 V secondary {300 V voltage inputs}
3P27 = 27A1 *
27B1 * 27C1
27A2 V
A
27P2P
27B2 V
B
0.00 - 150.00 V secondary {150 V voltage inputs}
27C2 V
C
0.00 - 300.00 V secondary {300 V voltage inputs}
59A1 V
A
59P1P
59B1 V
B
0.00 - 150.00 V secondary {150 V voltage inputs}
59C1 V
C
0.00 - 300.00 V secondary {300 V voltage inputs}
3P59 = 59A1 *
59B1 * 59C1
59A2 V
A
59P2P
59B2 V
B
0.00 - 150.00 V secondary {150 V voltage inputs}
59C2 V
C
0.00 - 300.00 V secondary {300 V voltage inputs}
27AB V
AB
27PP Figure 3.22
27BC V
BC
0.00 - 260.00 V secondary {150 V voltage inputs}
27CA V
CA
0.00 - 520.00 V secondary {300 V voltage inputs}
59AB V
AB
59PP
59BC V
BC
0.00 - 260.00 V secondary {150 V voltage inputs}
59CA V
CA
0.00 - 520.00 V secondary {300 V voltage inputs}
59N1 3V
0
59N1P
0.00 - 150.00 V secondary {150 V voltage inputs}
0.00 - 300.00 V secondary {300 V voltage inputs}
59N2 3V
0
59N2P
0.00 - 150.00 V secondary {150 V voltage inputs}
0.00 - 300.00 V secondary {300 V voltage inputs}
59Q V
2
59QP
0.00 - 100.00 V secondary {150 V voltage inputs}
0.00 - 200.00 V secondary {300 V voltage inputs}
59V1 V
1
59V1P
0.00 - 150.00 V secondary {150 V voltage inputs}
0.00 - 300.00 V secondary {300 V voltage inputs}
Courtesy of NationalSwitchgear.com