GE 845 Instruction Manual page 81

CHAPTER 3: INTERFACES
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
The transformer status is indicated in the top right of the display.
Open Close
Color Scheme
Color Color
Red (Open)
Green (Open)
The parameters displayed in the Front panel screen example are as follows for a 2-
Winding Transformer with VT:
Parameter
W1 Ia
W1 Ib
W1 Ic
W2 Ia
W2 Ib
W2 Ic
P:
Q:
PF
The parameters displayed in the Front panel screen example are as follows for a 2-
Winding Transformer without VT:
Parameter
W1 Ia
W1 Ib
W1 Ic
W2 Ia
W2 Ib
W2 Ic
P:
Q:
PF
The parameters displayed in the Front panel screen example are as follows for 3-Winding
Transformer:
Parameter
W1 Ia
W1 Ib
W1 Ic
W2 Ia
W2 Ib
W2 Ic
W3 Ia
W3 Ib
W3 Ic
SLD Breaker symbol Color
Not
Unknown Disconnected De-Energized Energized
Configured
Input for the value
Metering\ CT Bank 1 -J1\ J1 Ia
Metering\ CT Bank 1 -J1\ J1 Ib
Metering\ CT Bank 1 -J1\ J1 Ic
Metering\ CT Bank 2 -K1\ K1 Ia
Metering\ CT Bank 2 -K1\ K1 Ib
Metering\ CT Bank 2 -K1\ K1 Ic
Metering\ Power 1\ Pwr1 Real
Metering\ Power 1\ Pwr1 Reactive
Metering\ Power 1\ Pwr1 PF
Input for the value
Metering\ CT Bank 2 -K1\ K1 Ia
Metering\ CT Bank 2 -K1\ K1 Ib
Metering\ CT Bank 2 -K1\ K1 Ic
Metering\ CT Bank 3 -K2\ K2 Ia
Metering\ CT Bank 3 -K2\ K2 Ib
Metering\ CT Bank 3 -K2\ K2 Ic
Metering\ Power 1\ Pwr1 Real
Metering\ Power 1\ Pwr1 Reactive
Metering\ Power 1\ Pwr1 PF
Input for the value
Metering\ CT Bank 1 -J1\ J1 Ia
Metering\ CT Bank 1 -J1\ J1 Ib
Metering\ CT Bank 1 -J1\ J1 Ic
Metering\ CT Bank 2 -K1\ K1 Ia
Metering\ CT Bank 2 -K1\ K1 Ib
Metering\ CT Bank 2 -K1\ K1 Ic
Metering\ CT Bank 3 -K2\ K2 Ia
Metering\ CT Bank 3 -K2\ K2 Ib
Metering\ CT Bank 3 -K2\ K2 Ic
FRONT CONTROL PANEL INTERFACE
Transformer Status
Configured
Red Green Orange
Green Red Orange
Not
3–7