Basler Electric BE1-11m - Manual (Page 153)

9424200996 Rev L 141
Figure 104. Analog Metering, Frequency 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 = |𝐼
𝐶𝑂𝑀𝑃𝐴1
+ 𝐼
𝐶𝑂𝑀𝑃𝐴2
|
where: I
COMPA1
=
IA
1
TAP
1
and I
COMPA2
=
IA
2
TAP
2
Equation 11. IOP A Calculation when 87 Mode = Phase Differential
If 87 Mode = Flux Balance, then IOP A = |IA|
Equation 12. IOP A Calculation when 87 Mode = Flux Balance
If 87 Mode = Phase Differential, then IR A = max (IRA
1
, IRA
2
)
Equation 13. IR A Calculation when 87 Mode = Phase Differential and Slope Mode = Maximum
If 87 Mode = Phase Differential and Slope Mode = Average, then IR A = avg (IRA
1
, IRA
2
)
Equation 14. IR A Calculation when 87 Mode = Phase Differential and Slope Mode = Average
Differential metering data is found in BESTCOMSPlus (Figure 105) and on the Metering > Analog
Metering > Differential screen of the front-panel display.
BE1-11m Metering