9424200994 Rev N 519
Anticipatory Functional Test Procedure
Voltage Difference Test (ΔV)
Step 1: Use BESTCOMSPlus to send the operational settings in Table 236 to the BE1-11g. Reset all
targets.
Table 236. Operational Settings Anticipatory (25A)
System Parameters,
Sensing Transformers
System Parameters,
Sensing Transformers
Sets phase VT connection to 4W-Y
System Parameters,
Sensing Transformers
Sets 27/59 mode to phase-neutral
System Parameters,
Sensing Transformers
Sets auxiliary VT ratio to 1
System Parameters,
Sensing Transformers
Sets auxiliary VT connection to AN
System Parameters, Power
System
Sets nominal phase voltage to
69.3 V
System Parameters, Power
System
Sets nominal auxiliary voltage to
69.3 V
Control, Synchronizer (25A)
Enables 25A function for PLL
operation
Difference (%)
Control, Synchronizer (25A)
Sets the voltage difference
requirement to 15% of the nominal
Control, Synchronizer (25A)
Sets the allowable slip angle to
0.1 Hz
Control, Synchronizer (25A)
Sets the time it takes the breaker to
close to 800 milliseconds
Control, Synchronizer (25A)
Sets number of breaker close
attempts to 1
Activation Delay
Control, Synchronizer (25A)
Sets the activation delay for the
sync fail alarm to 5 seconds
> Volt Dest
Control, Synchronizer (25A)
Requires voltage at the phase
terminals to be greater than the
voltage at the Vx terminals by 0.5%
Freq Dest
Control, Synchronizer (25A)
Requires frequency at the phase
terminals to be 0.0008 Hz greater
than the frequency at the Vx
Control, Synchronizer (25A)
Sets the voltage control output
mode to proportional
(s)
Control, Synchronizer (25A)
Sets the maximum correctional
pulse width for voltage control to 5
BE1-11g Synchronizer (25A) Test