3.28
SEL-351-5, -6, -7 Relay
Instruction Manual
Date Code 20070117
Overcurrent, Voltage, Synchronism Check, Frequency, and Power Elements
Voltage Elements
q
Figure 3.21
Single-Phase and Three-Phase Voltage Elements (Wye-
Connected PTs)
59Q2
V
2
59Q2P
0.00–60.00 V secondary
{150 V voltage inputs}
0.00–120.00 V secondary
{300 V voltage inputs}
59V1
V
1
59V1P
0.00–85.00 V secondary
{150 V voltage inputs}
0.00–170.00 V secondary
{300 V voltage inputs}
Table 3.10
Voltage Elements Settings and Settings Ranges
(Delta-Connected PTs)
(Sheet 2 of 2)
Voltage
Element
(Relay Word
Bits)
Operating
Voltage
Pickup Setting/Range
See Figure
27A1
27B1
27C1
3P27
27A2
27B2
27C2
59A1
59B1
59C1
3P59
59A2
59B2
59C2
27P1P
27P2P
59P1P
59P2P
V
A
V
B
V
C
Settings/
Voltages
To POTT Logic
q
Relay
Word
Bits
Summary of Contents for SEL-351-5
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