iv
750/760 Feeder Management Relay
GE Power Management
INDEX
settin
example......................................................... 2-7
GROUND OVERCURRENT .......................................12-23
GROUND TIME OVERCURRENT
lo
ic dia
ram .........................................................12-24
protection scheme ..................................................17-30
setpoints ................................................................12-23
settin
example......................................................... 2-7
H
HARDWARE BLOCK DIAGRAM ..................................1-18
HARDWARE INPUTS................................................... 6-4
HARMONICS..............................................................1-16
HELP KEY................................................................... 2-3
I
IAC CURVES
constants .................................................................12-4
description ...............................................................12-4
trip times..................................................................12-4
IEC CURVES
constants .................................................................12-5
description ...............................................................12-5
trip times..................................................................12-5
INCOMER RELAYS ....................................... 14-21, 14-22
INPUT CURRENT MEASUREMENT ..........................17-12
INPUT VOLTAGE MEASUREMENT ...........................17-13
INPUTS
analo
............................ 3-14, 6-15, 13-18, 13-22, 17-20
contact.....................................................................1-17
round ...................................................................... 3-9
hardware................................................................... 6-4
lo
ic ...................................................... 1-17, 3-14, 10-2
restricted earth fault .................................................3-10
sensitive
round........................................................ 3-9
si
nal processin
.....................................................1-16
specifications ............................................................ 1-7
virtual ....................................................................... 6-4
INSTALLATION
case ......................................................................... 3-2
checks .....................................................................17-3
description ................................................................ 2-8
puttin
the relay in Ready state.................................. 2-8
setpoints ..................................................................8-13
INSTALLING THE RELAY .........................................17-74
INTRODUCTION.......................................................... 1-1
INVERSE TIME UNDERVOLTAGE CURVES..............12-50
IRIG-B
description ...............................................................3-18
monitorin
..............................................................17-50
J
JUMPER
security access ......................................................... 7-3
setpoint access ......................................................... 2-3
K
KEYPAD
help ...........................................................................2-3
operation ...................................................................5-4
KEYPAD OPERATION ..................................................5-4
L
LAST RESET DATE....................................................6-14
LAST TRIP DATA .........................................................6-5
LED INDICATORS ........................................................7-6
LINE UNDERVOLTAGE
lo
ic dia
ram .........................................................12-53
protection scheme ..................................................17-36
setpoints................................................................12-52
LINE VT SENSING SETPOINTS....................................9-3
LIST OF FIGURES ...................................................... A-1
LIST OF TABLES ........................................................ A-3
LOADING SETPOINTS ...............................................4-10
LOGIC INPUTS
description ...............................................................1-17
dry and wet contact connections ...............................3-14
setup .......................................................................10-2
tests ........................................................................17-5
typical wirin
............................................................3-14
M
MANUAL CLOSE BLOCKING
lo
ic dia
ram .........................................................14-10
setpoints..................................................................14-9
testin
...................................................................17-56
MANUAL OVERVIEW ...................................................1-5
MEASURED PARAMETERS..........................................1-8
MEMORY MAP
data formats...........................................................16-60
footnotes ...............................................................16-59
modbus..................................................................16-18
or
anization ...........................................................16-17
user map .................................................................4-11
MESSAGES
dia
nostic ..................................................................5-5
flash ..........................................................................5-7
METERING ..............................................................17-12
MISC FUNCTIONS SETPOINTS................................10-13
MODBUS
data link layer ..........................................................16-3
description ...............................................................16-3
execute operation.....................................................16-8
function code 01H/02H .............................................16-6
function code 03H/04H .............................................16-7
function code 05H ....................................................16-8
function code 06H ..................................................16-10
function code 10H ..................................................16-10
function codes................................................. 16-3, 16-5
memory map ..........................................................16-18
memory map data formats ......................................16-60
memory map or
anization.......................................16-17
read actual values/setpoints .....................................16-7
read binary status ....................................................16-6