GE Feeder Management Relay 750 User Manual

GE Multilin 750/760 Feeder Management Relay iii
INDEX
EQUIPMENT MONITORING ................................................. 5-89
EVENT CAUSES
alarm ................................................................................... 6-18
control ................................................................................. 6-18
general ................................................................................ 6-18
logic input ............................................................................ 6-18
pickup.................................................................................. 6-18
trip ...................................................................................... 6-18
warning................................................................................ 6-18
EVENT RECORDER
event records ....................................................................... 6-16
event types .......................................................................... 6-17
reading .................................................................................. 7-9
setpoints .............................................................................. 5-10
EVENT RECORDS................................................................ 6-16
EVENT TYPES ...................................................................... 6-17
EXCEPTION RESPONSES
description ............................................................................. 7-7
F
FACTORY SERVICE........................................................... 5-134
FAST FOURIER TRANSFORM
processing inputs ................................................................... 2-3
FAULT LOCATIONS ............................................................... 6-7
FAULT LOCATOR
description ........................................................................... 5-76
monitoring............................................................................ 8-33
FAULT VALUES .................................................................. 5-133
FAX NUMBERS....................................................................... 1-1
FEATURES ............................................................................. 2-1
FFT
see FAST FOURIER TRANSFORM
FLASH MESSAGES ................................................................ 4-5
FLEXCURVES
setpoints .............................................................................. 5-18
FREQUENCY
actual values........................................................................ 6-11
decay .................................................................................. 5-70
protection elements .............................................................. 5-68
FREQUENCY DECAY
logic diagram ....................................................................... 5-70
protection scheme ................................................................ 8-30
setpoints .............................................................................. 5-70
FREQUENCY TRACKING ....................................................... 2-3
FRONT PANEL
description ............................................................................. 4-1
operation ............................................................................... 4-1
setpoints .............................................................................. 5-13
using ..................................................................................... 1-2
G
GETTING STARTED ............................................................... 1-1
GROUND CURRENT MEASUREMENT ................................ 8-10
GROUND DIRECTIONAL OVERCURRENT
control characteristics .......................................................... 5-50
logic diagram ....................................................................... 5-51
protection scheme ................................................................ 8-23
setpoints .............................................................................. 5-50
GROUND INPUTS .................................................................. 3-9
GROUND INSTANTANEOUS OVERCURRENT
logic diagram ....................................................................... 5-49
protection scheme ................................................................ 8-23
setpoints .............................................................................. 5-49
setting example ...................................................................... 1-7
GROUND OVERCURRENT .................................................. 5-47
GROUND TIME OVERCURRENT
logic diagram ....................................................................... 5-48
protection scheme ................................................................ 8-23
setpoints .............................................................................. 5-48
setting example ...................................................................... 1-7
H
HARDWARE BLOCK DIAGRAM ............................................. 2-4
HARDWARE INPUTS.............................................................. 6-5
HARMONICS........................................................................... 2-3
HELP KEY ............................................................................... 1-3
I
IAC CURVES
constants ............................................................................. 5-35
description ........................................................................... 5-35
trip times.............................................................................. 5-35
IEC CURVES
constants ............................................................................. 5-34
description ........................................................................... 5-34
trip times.............................................................................. 5-34
INCOMER RELAYS ............................................................ 5-110
INPUT CURRENT MEASUREMENT ..................................... 8-10
INPUT VOLTAGE MEASUREMENT ..................................... 8-10
INPUTS
analog ..............................................3-14, 5-83, 5-85, 6-14, 8-15
contact................................................................................... 2-3
ground ................................................................................... 3-9
hardware ............................................................................... 6-5
logic .................................................................... 2-3
, 3-14, 5-19
restricted earth fault ............................................................. 3-10
sensitive ground ..................................................................... 3-9
signal processing ................................................................... 2-3
specifications ......................................................................... 2-6
virtual .................................................................................... 6-5
INSPECTION CHECKLIST...................................................... 1-1
INSTALLATION
case ...................................................................................... 3-2
checks ................................................................................... 8-2
description ............................................................................. 1-8
putting the relay in Ready state............................................... 1-8
setpoints .............................................................................. 5-15
INSTALLING PC SOFTWARE ................................................ 4-9
INSTALLING THE RELAY..................................................... 8-56
INTRODUCTION ..................................................................... 2-1
INVERSE TIME UNDERVOLTAGE CURVES ....................... 5-63
IRIG-B
description ........................................................................... 3-18
monitoring ............................................................................ 8-38
J
JUMPER
security access ...................................................................... 5-4
setpoint access ...................................................................... 1-3
K
KEYPAD
help ....................................................................................... 1-3
operation ............................................................................... 4-3
KEYPAD OPERATION ............................................................ 4-3
L
LAST RESET DATE .............................................................. 6-13
LAST TRIP DATA.................................................................... 6-6
LED INDICATORS .................................................................. 5-6
LINE UNDERVOLTAGE
logic diagram ....................................................................... 5-65
protection scheme ................................................................ 8-27
setpoints .............................................................................. 5-65
LINE VT SENSING SETPOINTS........................................... 5-17
Courtesy of NationalSwitchgear.com

GE Feeder Management Relay 750 Specifications

General

Brand	GE
Model	Feeder Management Relay 750
Category	Protection Device
Language	English