GE Multilin 489 Instruction Manual page 23

CHAPTER 1: GETTING STARTED
SETPOINTS
Press or
MESSAGE ENTER
SETPOINTS
S1 489 SETUP
Press
MESSAGE
SETPOINTS
S2 SYSTEM SETUP
SETPOINTS
Press or
MESSAGE ENTER
SETPOINTS
S1 489 SETUP
Press
MESSAGE
SETPOINTS
S2 SYSTEM SETUP
489 GENERATOR MANAGEMENT RELAY – INSTRUCTION MANUAL
Courtesy of NationalSwitchgear.com
To set the ground CT ratio, modify the
setpoint as shown below.
CT RATIO
Press the
[ ]
[ ]
Press
[ ] CURRENT
MESSAGE
SENSING
or
ENTER
Press the
or enter the value directly via the numeric
Press the
To set the VT connection type and ratings, modify the
SENSING VT CONNECTION TYPE
VOLTAGE TRANSFORMER RATIO
Press the
[ ]
[ ]
Press
[ ] CURRENT
MESSAGE
SENSING
or
ENTER
VOLTAGE
Press
MESSAGE
SENSING
Press the
S2 SYSTEM SETUP
key until the relay displays the setpoints menu header.
MENU
Press
[ ]
MESSAGE
or
ENTER
Press
MESSAGE
Press
MESSAGE
keys until 200: 1 is displayed,
VALUE
keypad.
key to store the setpoint.
ENTER
and the
S2 SYSTEM SETUP
setpoints as shown below.
key until the relay displays the setpoints menu header.
MENU
[ ]
Press
[ ]
MESSAGE
or
ENTER
Press the keys until
VALUE
"Open Delta" is displayed.
key to store the setpoint.
ENTER
Press
MESSAGE
CURRENT SENSING GROUND
PHASE CT PRIMARY:
600 A
GROUND CT:
1 A Secondary
GROUND CT RATIO:
100: 1
GROUND CT RATIO:
200: 1
NEW SETPOINT HAS
BEEN STORED
S2 SYSTEM SETUP VOLTAGE
VOLTAGE SENSING
VT CONNECTION TYPE:
None
VT CONNECTION TYPE:
Open Delta
NEW SETPOINT HAS
BEEN STORED
VOLTAGE TRANSFORMER
RATIO: 5.00: 1
1–13