Current Sensing - GE 845 Instruction Manual

SYSTEM

Current Sensing

4–80
Path:
Setpoints > System
The names and the configuration of the current banks below apply only to 845 orders for
the protection of either two-winding transformers with voltage, or three-winding
transformers.
Path: Setpoints > System > Current Sensing > CT Bank 1-J1
..\Current Sensing\CT Bank 1 J1
Item Name
CT Bank Name
Phase CT Primary
Ground CT Primary
Current 1
CT BANK NAME
Range: Any combination of 13 alphanumeric characters
Default: CT Bank 1-J1
PHASE CT PRIMARY
Range: 1 A to 10000 A in steps of 1A
Default: 500 A
Enter the phase CT primary current for current sensing bank J1.
GROUND CT PRIMARY
Range: 1 A to 10000 A
Default: 500 A
Enter the rated Ground CT primary current for the ground current input for the selected
Current 1 bank.
Path: Setpoints > System > Current Sensing > Current Bank 2-K1
Value
CT Bank 1 J1
500
500
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 4: SETPOINTS
Unit
A
A