Table of Contents
Advertisement
in service .................................................................. 4-2
load-limit reduced ...................................................... 4-3
LOCAL ...................................................................... 4-3
message ................................................................... 4-3
phase A .................................................................... 4-4
phase B .................................................................... 4-4
phase C .................................................................... 4-4
pickup ....................................................................... 4-4
self-test error ............................................................ 4-2
setpoint group 1 ........................................................ 4-3
setpoint group 2 ........................................................ 4-3
setpoint group 3 ........................................................ 4-3
setpoint group 4 ........................................................ 4-3
system status ............................................................ 4-3
test mode .................................................................. 4-2
transformer de-energized ........................................... 4-3
transformer overload ................................................. 4-3
trip ............................................................................ 4-4
LIST OF FIGURES ....................................................... A-1
LIST OF TABLES ......................................................... A-2
LOAD-LIMIT REDUCED INDICATOR ............................ 4-3
LOCAL INDICATOR ..................................................... 4-3
LOCAL RESET MODE .............................................. 10-15
LOGIC ......................................................................... 7-1
LOGIC DIAGRAMS ...................................................... 7-1
LOGIC INPUTS ............................................. 3-9, 5-43, 6-2
commissioning ........................................................ 10-6
LOSS OF LIFE ........................................................... 6-10
LOSS OF LIFE LIMIT ................................................. 7-34
LOSS-OF-LIFE .......................................................... 5-72
LOSS-OF-LIFE LIMIT ....................................... 5-75, 10-42
LOW VOLTAGE WINDING RATING ............................ 5-34
M
MANEUVERING ........................................................... 2-1
MEASUREMENT UNITS ............................................... 7-1
MEMORY MAP .......................................................... 8-17
MESSAGE INDICATOR ................................................ 4-3
MESSAGE KEYS ......................................................... 4-5
METERING .................................................................. 6-4
MINIMUM OPERATING CURRENT ............................ 10-43
MINIMUM PICKUP ...............................10-14, 10-20, 10-43
MODBUS
data formats ............................................................ 8-74
data frame format ...................................................... 8-2
data packet format ..................................................... 8-3
description ................................................................ 8-2
error codes .............................................................. 8-10
exception responses ................................................ 8-10
function code 03h ..............................................8-6, 8-15
function code 04h ..............................................8-6, 8-15
function code 05h ..............................................8-7, 8-15
function code 06h ..............................................8-8, 8-16
function code 10h ...................................................... 8-9
memory map ........................................................... 8-17
memory map data formats ........................................ 8-74
memory map organization ........................................ 8-16
supported function codes ........................................... 8-5
user map ................................................................. 8-12
GE Power Management
N
NEGATIVE SEQUENCE CURRENT .............................. 6-5
NEGATIVE SEQUENCE INSTANTANEOUS
logic diagram ...........................................................7-19
setpoints ..................................................................5-64
testing ................................................................... 10-33
NEGATIVE SEQUENCE OVERCURRENT ....................5-63
NEGATIVE SEQUENCE TIME OVERCURRENT
logic diagram ...........................................................7-18
setpoints ..................................................................5-63
testing ................................................................... 10-31
NEUTRAL INSTANTANEOUS OVERCURRENT
logic diagrams ................................................. 7-12, 7-13
setpoints ..................................................................5-56
testing ........................................................ 10-26, 10-27
NEUTRAL OVERCURRENT ........................................5-55
NEUTRAL TIME OVERCURRENT
logic diagram ...........................................................7-11
setpoints ..................................................................5-55
testing ................................................................... 10-24
NEXT KEY ................................................................... 4-6
NUMBER KEYS ........................................................... 4-6
NUMERICAL SETPOINTS ............................................ 2-3
O
ONLOAD TAP CHANGER ...........................................5-36
OPERATING TIME .................................................... 10-16
OPTIONS
ordering .................................................................... 1-4
ORDER CODES .......................................................... 1-4
OUTPUT RELAYS ....................................................... 6-3
commissioning ................................................ 10-6, 10-7
default flexlogic ........................................................5-84
description ...............................................................3-11
logic diagram ...........................................................7-30
setpoints ......................................................... 5-84, 5-87
typical wiring ............................................................3-11
OUTPUTS
specifications ............................................................ 1-9
OVERCURRENT
ground instantaneous ...............................................5-58
ground time ..............................................................5-57
logic diagrams ........................................................... 7-8
negative sequence instantaneous .............................5-64
negative sequence time ............................................5-63
neutral instantaneous ...............................................5-56
neutral time ..............................................................5-55
phase ......................................................................5-52
TOC curves ..............................................................5-91
OVEREXCITATION
5th harmonic level ........................................... 5-68, 7-23
description ...............................................................5-68
setpoints ..................................................................5-68
volts-per-hertz ................................................. 5-69, 7-24
OVERFREQUENCY
logic diagram ...........................................................7-22
setpoints ..................................................................5-67
testing ................................................................... 10-37
OVERVIEW ................................................................. 1-1
745 Transformer Management Relay
OVERCURRENT
iii
Advertisement
Table of Contents
