GE 745 TRANSFORMER MANAGEMENT RELAY - Page 374

11-6 745 Transformer Management Relay GE Power Management
11.1 COMMISSIONING SUMMARY 11 SETPOINT TABLES
11
11.1.5 S4 ELEMENTS
Table 11–5: S4 ELEMENTS SETPOINT GROUPS
SETPOINT GROUP DEFAULT USER VALUE
ACTIVE SETPOINT GROUP Group 1
EDIT SETPOINT GROUP Active
GROUP 2 ACTIVATE SIGNAL Disabled
GROUP 3 ACTIVATE SIGNAL Disabled
GROUP 4 ACTIVATE SIGNAL Disabled
Table 11–6: S4 ELEMENTS (Sheet 1 of 12)
DESCRIPTION DEFAULT GROUP 1 GROUP 2 GROUP 3 GROUP 4
DIFFERENTIAL
Percent Differential Function Enabled
Percent Differential Target Latched
Percent Differential Pickup 0.30 x CT
Percent Differential Slope 1 25%
Percent Differential Kneepoint 2.0 x CT
Percent Differential Slope 2 100%
Percent Differential Block Disabled
Harmonic Inhibit Function Enabled
Harmonic Inhibit Parameters 2nd
Harmonic Avg Disabled
Harmonic Inhibit Level 20.0% ƒo
Energization Function Enabled
Energization Parameters 2nd
Harmonic Avg Enabled
Energization Level 20.0% ƒo
Energization Duration 0.10 s
Energization Current Sensing Enabled
Energization Min. Current 0.10 x CT
Energization Voltage Sensing Disabled
Energization Min. Voltage 0.85 x VT
Brkrs Open Signal Disabled
Parallel Xfmr Brkr Disabled
5th Harmonic Inhibit Function Disabled
Harmonic Avg Disabled