GE Multilin 750/760 Feeder Management Relay v
INDEX
P
PANEL CUTOUTS .................................................................. 3-2
PASSCODE SECURITY.......................................................... 5-4
PASSCODE SETPOINTS ....................................................... 5-7
PHASE A CURRENT DEMAND ............................................ 6-13
PHASE CURRENT
logic diagram ....................................................................... 5-73
monitoring............................................................................ 8-33
setpoints .............................................................................. 5-73
PHASE DIRECTIONAL OVERCURRENT
forward operating regions ..................................................... 8-19
logic diagram ....................................................................... 5-42
operating characteristics ...................................................... 5-40
protection scheme ................................................................ 8-19
setpoints .............................................................................. 5-39
PHASE INSTANTANEOUS OVERCURRENT
logic diagram ....................................................................... 5-39
protection scheme ....................................................... 8-18
, 8-19
setpoints .............................................................................. 5-38
setting example ...................................................................... 1-7
PHASE OVERCURRENT ...................................................... 5-36
PHASE SEQUENCE ............................................................... 3-8
PHASE TIME OVERCURRENT
logic diagram .............................................................. 5-37, 5-38
protection scheme ....................................................... 8-16
, 8-18
setpoints .............................................................................. 5-36
voltage restraint characteristic .............................................. 5-37
PHASORS ............................................................................... 2-3
PHONE NUMBERS ................................................................. 1-1
PHYSICAL LAYER .................................................................. 7-1
PHYSICAL SPECIFICATIONS .............................................. 2-12
PICKUP TEST
logic diagram ..................................................................... 5-130
setpoints ............................................................................ 5-130
PLACING THE RELAY IN SERVICE..................................... 8-56
PORT SETUP ......................................................................... 5-7
POSTFAULT VALUES ........................................................ 5-134
POWER
actual values........................................................................ 6-11
quantity relationships ............................................................. 6-8
POWER FACTOR
logic diagram ....................................................................... 5-76
measurement ....................................................................... 8-13
monitoring............................................................................ 8-36
setpoints .............................................................................. 5-75
POWER QUANTITY RELATIONSHIPS................................... 6-8
POWER SYSTEM SETPOINTS ............................................ 5-17
PREFAULT VALUES........................................................... 5-133
PRODUCT OVERVIEW........................................................... 2-1
PRODUCT SELECTOR........................................................... 2-5
PROTECTION ELEMENTS
description ............................................................................. 2-3
one-line diagram .................................................................... 2-1
specifications ......................................................................... 2-7
theory of operation ................................................................. 2-3
PROTECTION ONE LINE DIAGRAM ...................................... 2-1
PROTECTION SCHEMES
description ........................................................................... 8-16
frequency decay ................................................................... 8-30
ground directional overcurrent .............................................. 8-23
ground instantaneous overcurrent ......................................... 8-23
ground time overcurrent ....................................................... 8-23
line undervoltage.................................................................. 8-27
negative sequence directional overcurrent ............................ 8-24
negative sequence instantaneous overcurrent ....................... 8-24
negative sequence time overcurrent ...................................... 8-24
negative sequence voltage ................................................... 8-24
neutral displacement ............................................................ 8-28
neutral instantaneous overcurrent ......................................... 8-21
neutral time overcurrent ....................................................... 8-20
overvoltage .......................................................................... 8-27
phase directional overcurrent................................................ 8-19
phase instantaneous overcurrent ................................. 8-18
, 8-19
phase time overcurrent ................................................ 8-16
, 8-18
sensitive ground directional overcurrent ................................ 8-24
sensitive ground instantaneous overcurrent ........................... 8-24
sensitive ground time overcurrent ......................................... 8-23
setpoint groups .................................................................... 8-16
underfrequency .................................................................... 8-29
PULSE OUTPUT
logic diagram ....................................................................... 5-95
monitoring ............................................................................ 8-38
setpoints .............................................................................. 5-95
R
REACTIVE POWER DEMAND
logic diagram ....................................................................... 5-81
measurement ....................................................................... 8-14
monitoring ............................................................................ 8-34
setpoints .............................................................................. 5-81
REACTIVE POWER MEASUREMENT.................................. 8-12
REAL POWER DEMAND
logic diagram ....................................................................... 5-80
measurement ....................................................................... 8-14
monitoring ............................................................................ 8-34
setpoints .............................................................................. 5-80
REAL POWER MEASUREMENT .......................................... 8-12
REAR TERMINAL ASSIGNMENTS ......................................... 3-6
REAR TERMINAL LAYOUT .................................................... 3-5
RECLOSURE SHOTS SETPOINTS .................................... 5-126
RESET DATE, LAST ............................................................. 6-13
RESTRICTED EARTH FAULT
description ........................................................................... 3-10
inputs .................................................................................. 3-10
logic diagram ....................................................................... 5-57
non-linear resistor ................................................................ 5-57
setpoints .............................................................................. 5-55
stabilizing resistor ................................................................ 5-57
REVERSE POWER
commissioning ..................................................................... 8-32
setpoints .............................................................................. 5-72
specifications ......................................................................... 2-9
upgrade procedure .................................................................A-1
REVISION CODES................................................................ 6-19
RS232
connection diagram .............................................................. 3-18
front panel port .................................................................... 3-18
RS422
communications ................................................................... 3-16
connection diagram .............................................................. 3-17
RS485
communications ................................................................... 3-16
connection diagram .............................................................. 3-16
S
S1 RELAY SETUP .................................................................. 5-7
S2 SYSTEM SETUP
setpoints .............................................................................. 5-16
settings example .................................................................... 1-6
S3 LOGIC INPUTS
setpoints .............................................................................. 5-19
settings example .................................................................... 1-6
S4 OUTPUT RELAYS ........................................................... 5-27
S5 PROTECTION
setpoints .............................................................................. 5-32
settings example .................................................................... 1-7
S6 MONITORING .................................................................. 5-73
S7 CONTROL........................................................................ 5-96
S8 TESTING ....................................................................... 5-129
SAFETY PRECAUTIONS ........................................................ 8-1
SALES OFFICE....................................................................... 1-1
SAMPLE APPLICATION ......................................................... 1-5
SAVING SETPOINTS............................................................ 4-11
SCHEME SETUP SETPOINTS ........................................... 5-119
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