9424200994 Rev N
Functional Test Report - Anticipatory
ΔV Accuracy = ±2% or ±1 V, whichever is greater.
Slip Freq Accuracy = ±0.01 Hz
Breaker Close Time Accuracy = 0.5% or ±2 cycles, whichever is greater.
Pulse Width/Interval Accuracy = 0.5% or ±2 cycles, whichever is greater.
Test
Setting
ΔV Increasing
15% (79.67 V)
ΔV Decreasing
15% (58.89 V)
Slip Freq
0.5 Hz
Increasing
Slip Freq
0.5 Hz
Decreasing
Volt Pulse Width
Increasing
Volt Pulse Width
Decreasing
Volt Pulse
Interval
Increasing
Volt Pulse
Interval
Decreasing
Freq Pulse
Width Increasing
Freq Pulse
Width
Decreasing
Freq Pulse
Interval
Increasing
Freq Pulse
Interval
Decreasing
Voltage Monitor Functional Test Procedure
VTP and VTX Live Voltage, Dead Voltage Pickup Test (25A Voltage Monitor)
Step 1:
Use BESTCOMSPlus to send the operational settings in Table 237 to the BE1-11g. Reset all
targets.
Setting
Phase VT Ratio
1
Phase VT
4W-Y
Connection
27/59 Mode
PN
Aux VT Ratio
1
BE1-11g
Low
78.67 V
57.89 V
60.49 Hz
59.49 Hz
5.0 s
4.977 s
5.0 s
4.977 s
10.0 s
9.950 s
10.0 s
9.950 s
10.0 s
9.950
10.0 s
9.950 s
5.0 s
4.977 s
5.0 s
4.977 s
Table 237. Operational Settings (25)
Value
BESTCOMSPlus Screen
System Parameters, Sensing
Transformers
System Parameters, Sensing
Transformers
System Parameters, Sensing
Transformers
System Parameters, Sensing
Actual
High
80.67 V
59.89 V
60.51 Hz
59.51 Hz
5.033 s
5.033 s
10.050 s
10.050 s
10.050 s
10.050 s
5.033 s
5.033 s
Sets phase VT ratio to 1.
Sets phase VT connection
to 4W-Y.
Sets 27/59 mode to phase-
neutral.
Sets auxiliary VT ratio to 1.
Synchronizer (25A) Test
523
Pass/Fail
P / F
P / F
P / F
P / F
P / F
P / F
P / F
P / F
P / F
P / F
P / F
P / F
Description
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