GE 750 Instruction Manual page 330

750/760
Feeder Management Relay
H
HARDWARE BLOCK DIAGRAM .......................................... 2-5
HARDWARE INPUTS ......................................................... 6-5
HARMONICS ..................................................................... 2-4
HELP KEY ......................................................................... 1-6
I
IAC CURVES
constants....................................................................... 5-36
description..................................................................... 5-36
trip times ....................................................................... 5-36
IEC CURVES
constants....................................................................... 5-35
description..................................................................... 5-35
trip times ....................................................................... 5-35
IED SETUP ...................................................................... 4-12
INCOMER RELAYS ........................................................ 5-114
INPUT CURRENT MEASUREMENT .................................. 7-11
INPUT VOLTAGE MEASUREMENT ................................... 7-12
INPUTS
analog ........................................ 3-13, 5-84, 5-86, 6-14, 7-17
contact ............................................................................ 2-4
ground ............................................................................. 3-9
hardware ......................................................................... 6-5
logic .............................................................. 2-4, 3-13, 5-20
restricted earth fault ................................................ 3-9, 3-10
sensitive ground .............................................................. 3-9
signal processing ............................................................. 2-4
specifications................................................................... 2-7
virtual .............................................................................. 6-5
INSPECTION CHECKLIST .................................................. 1-1
INSTALLATION
case ................................................................................ 3-2
checks ............................................................................. 7-3
description..................................................................... 1-22
putting the relay in Ready state ...................................... 1-22
setpoints ....................................................................... 5-16
INSTALLING THE RELAY ................................................. 7-63
INTRODUCTION ................................................................ 2-1
INVERSE TIME UNDERVOLTAGE CURVES ..................... 5-65
IP ADDRESS ................................................................... 5-10
IRIG-B
description..................................................................... 3-17
monitoring ..................................................................... 7-42
J
JUMPER
security access ................................................................ 5-5
setpoint access ................................................................ 1-5
K
KEYPAD
help ................................................................................. 1-6
operation ......................................................................... 4-5
KEYPAD OPERATION ........................................................ 4-5
iv
L
LAST RESET DATE ..........................................................6-14
LAST TRIP DATA .............................................................. 6-6
LED INDICATORS ............................................................. 5-7
LINE UNDERVOLTAGE
logic diagram .................................................................5-67
protection scheme ..........................................................7-30
setpoints ........................................................................5-66
LINE VT SENSING SETPOINTS ........................................5-18
LOGIC INPUTS
description ...................................................................... 2-4
dry and wet contact connections .....................................3-13
setup .............................................................................5-20
tests ............................................................................... 7-5
typical wiring ..................................................................3-13
M
MANUAL CLOSE BLOCKING
logic diagram ............................................................... 5-103
setpoints ...................................................................... 5-102
testing ...........................................................................7-47
MEASURED PARAMETERS ............................................... 2-8
MESSAGES
flash ............................................................................... 4-8
METERING .......................................................................7-11
MISC FUNCTIONS SETPOINTS ........................................5-27
MODEL NUMBER .............................................................. 2-6
MONITORING...................................................................7-36
MONITORING ELEMENTS
specifications .................................................................2-10
MOUNTING TABS ............................................................. 3-2
N
NAMEPLATE ..................................................................... 1-1
NEGATIVE SEQUENCE DIRECTIONAL OVERCURRENT
characteristics ................................................................5-62
logic diagram .................................................................5-63
protection schemes ........................................................7-27
setpoints ........................................................................5-62
NEGATIVE SEQUENCE INSTANTANEOUS OVERCURRENT
logic diagram .................................................................5-61
protection scheme ..........................................................7-27
setpoints ........................................................................5-61
setting example ..............................................................1-22
NEGATIVE SEQUENCE TIME OVERCURRENT
logic diagram .................................................................5-60
protection scheme ..........................................................7-27
setpoints ........................................................................5-60
setting example ..............................................................1-22
NEGATIVE SEQUENCE VOLTAGE
logic diagram .................................................................5-64
protection scheme ..........................................................7-28
setpoints ........................................................................5-63
NETWORK CONFIGURATION ...........................................5-10
NEUTRAL CURRENT
logic diagram .................................................................5-75
monitoring ......................................................................7-37
setpoints ........................................................................5-75
NEUTRAL DIRECTIONAL OVERCURRENT .......................7-24
description .....................................................................5-46
logic diagram .................................................................5-48
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