GE Power Management
TABLE OF CONTENTS
5.2.7
5.2.8
5.3.1
DESCRIPTION ........................................................................................ 5-24
5.3.2
PASSCODE ............................................................................................. 5-24
5.3.3
PREFERENCES ...................................................................................... 5-25
5.3.4
COMMUNICATIONS ............................................................................... 5-26
5.3.5
DNP COMMUNICATIONS....................................................................... 5-27
5.3.6
RESETTING ............................................................................................ 5-28
5.3.7
CLOCK..................................................................................................... 5-28
5.3.8
DEFAULT MESSAGES ........................................................................... 5-29
5.3.9
SCRATCHPAD ........................................................................................ 5-30
5.3.10 INSTALLATION ....................................................................................... 5-30
5.3.11 745 OPTIONS.......................................................................................... 5-31
5.4.1
DESCRIPTION ........................................................................................ 5-33
5.4.2
TRANSFORMER ..................................................................................... 5-33
5.4.3
WINDING 1 (2/3)...................................................................................... 5-35
5.4.4
ONLOAD TAP CHANGER....................................................................... 5-36
5.4.5
HARMONICS ........................................................................................... 5-37
5.4.6
FLEXCURVES ......................................................................................... 5-37
5.4.7
VOLTAGE INPUT .................................................................................... 5-38
5.4.8
5.4.9
ANALOG INPUT ...................................................................................... 5-40
5.4.11 ANALOG OUTPUTS................................................................................ 5-42
5.5.1
DESCRIPTION ........................................................................................ 5-43
5.5.2
LOGIC INPUTS........................................................................................ 5-43
5.5.3
VIRTUAL INPUTS.................................................................................... 5-44
5.6.1
DESCRIPTION ........................................................................................ 5-45
5.6.2
5.6.3
SETPOINT GROUP................................................................................. 5-46
5.6.4
DIFFERENTIAL ....................................................................................... 5-46
b HARMONIC INHIBIT................................................................................ 5-49
5.6.5
5.6.6
PHASE OVERCURRENT ........................................................................ 5-52
c WINDING 1 (2/3) PHASE INSTANTANEOUS OVERCURRENT 2 ........ 5-54
5.6.7
c WINDING 1 (2/3) NEUTRAL INSTANTANEOUS OVERCURRENT 2 .... 5-56
5.6.8
GROUND OVERCURRENT .................................................................... 5-57
5.6.9
745 Transformer Management Relay
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