GE T60, Instruction Manual

Page: 264 / 796

5-118 T60 Transformer Protection System GE Multilin
5.4 SYSTEM SETUP 5 SETTINGS
5
3. Configure source n (source 2 for this example) as the current from CTY in Winding 1 in the
SYSTEM SETUP

SIGNAL
SOURCES

SOURCE 1(4)
settings menu.
SOURCE 2 NAME:
“WDG 1Y”
SOURCE 2 PHASE CT:
“F5”
SOURCE 2 GROUND CT:
“None”
SOURCE 2 PHASE VT:
“None”
SOURCE 2 AUX VT:
“None”
4. Configure source n (source 3 for this example) to be used as the current in Winding 2 in the
SYSTEM SETUP

SIGNAL
SOURCES

SOURCE 1(4)
settings menu.
SOURCE 3 NAME:
“WDG 2"
SOURCE 3 PHASE CT:
“M1”
SOURCE 3 GROUND CT:
“M1”
SOURCE 3 PHASE VT
: “None”
SOURCE 3 AUX VT:
“None”
5. Configure the source setting of the transformer windings in the
SYSTEM SETUP

TRANSFORMER

WINDING n
set-
tings menu.
WINDING 1 SOURCE:
“WDG 1X”
WINDING 2 SOURCE:
“WDG 1Y”
WINDING 3 SOURCE:
“WDG 2"
SETUP METHOD B (ALTERNATE)
This approach adds the current from each phase of the CT1 and CT2 together to represent the total winding 1 current. The
procedure is shown below.
1. Enter the settings for each set of CTs in the
SYSTEM SETUP

AC INPUTS

CURRENT BANK
settings menu, as shown for
Method A above.
2. Configure Source n (Source 1 for this example) to be used as the summed current in Winding 1 in the
SYSTEM SETUP

SIGNAL SOURCES

SOURCE n
settings menu.
SOURCE 1 NAME:
“WDG 1"
SOURCE 1 PHASE CT:
“F1 + F5”
SOURCE 1 GROUND CT:
“None”
SOURCE 1 PHASE VT:
“None”
SOURCE 1 AUX VT:
“None”
3. Configure Source n (Source 2 for this example) to be used as the Winding 2 current in the
SYSTEM SETUP

SIGNAL
SOURCES

SOURCE n
settings menu.
SOURCE 2 NAME:
“WDG 2"
SOURCE 2 PHASE CT:
“M1”
SOURCE 2 GROUND CT:
“M1”
SOURCE 2 PHASE VT:
“None”
SOURCE 2 AUX VT:
“None”