9424200994 Rev N 187
Figure 126. Analog Metering, Frequency Screen
Synchronization
Slip Frequency, Slip Angle, and Voltage Difference are metered.
Synchronization metering data is found in BESTCOMSPlus (Figure 127) and on the Metering > Analog
Metering > Synchronization screen of the front-panel display.
Figure 127. Analog Metering, Synchronization Screen
Differential
The differential value is calculated as shown in the following equations:
If 87 Mode = Phase Differential and Slope Mode = Maximum, then IOP A =
|
+
|
where: I
=
and I
=
Equation 19. IOP A Calculation when 87 Mode = Phase Differential
If 87 Mode = Flux Balance, then IOP A =
|
IA
|
Equation 20. IOP A Calculation when 87 Mode = Flux Balance
If 87 Mode = Phase Differential and Slope Mode = Average, then IR A = max
(
IRA
, IRA
)
Equation 21. IR A Calculation when 87 Mode = Phase Differential and Slope Mode = Maximum
If 87 Mode = Phase Differential, then IR A = avg
(
IRA
, IRA
)
Equation 22. IR A Calculation when 87 Mode = Phase Differential and Slope Mode = Average
Differential metering data is found in BESTCOMSPlus (Figure 128) and on the Metering > Analog
Metering > Differential screen of the front-panel display.
BE1-11g Metering
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