GE Multilin 469

TOC–2 469 MOTOR MANAGEMENT RELAY – QUICK REFERENCE GUIDE
TABLE OF CONTENTS
MOTOR OPERATING CURVES ............................................................................................. 47
C
ONTROL SYSTEM REQUIREMENTS ................................................................................... 48
C
ONTACT OUTPUTS ............................................................................................................. 48
RTD
S ..................................................................................................................................... 48
I
NSTRUMENT TRANSFORMER DATA ................................................................................... 48
Voltage Transformers: .............................................................................................48
Phase CTs: .....................................................................................................................48
Ground CT: ....................................................................................................................49
Motor FLC: .....................................................................................................................49
MOTOR PROTECTION .......................................................................................................... 49
Overload Pickup: ........................................................................................................49
Overload Curve: ..........................................................................................................49
Short Circuit Trip: ........................................................................................................49
Ground Fault: ...............................................................................................................49
Unbalance Alarm and Trip: ...................................................................................50
Stopped and Running Cool Times: .....................................................................50
Acceleration Trip: .......................................................................................................50
Enable Start Inhibit: ..................................................................................................50
Starts/Hour: ..................................................................................................................50
Time Between Starts: ...............................................................................................50
Stator RTDs: ..................................................................................................................50
Bearing RTDs: ..............................................................................................................51
Unbalance Bias Of Thermal Capacity: .............................................................51
Unbalance Bias K Factor: .......................................................................................51
Hot/Cold Curve Ratio: ..............................................................................................51
Enable RTD Biasing: ..................................................................................................51
RTD Bias Minimum: ...................................................................................................51
RTD Bias Mid Point: ...................................................................................................51
RTD Bias Maximum: ..................................................................................................52
SYSTEM SETPOINTS ............................................................................................................. 52
D
IGITAL INPUTS SETPOINTS ............................................................................................... 54
T
HERMAL MODEL SETPOINTS ............................................................................................55
C
URRENT ELEMENTS SETPOINTS ....................................................................................... 55
M
OTOR STARTING SETPOINTS ...........................................................................................57
RTD T
EMPERATURE SETPOINTS ........................................................................................ 57
U
NDERVOLTAGE PROTECTION: .......................................................................................... 58
Other Considerations: ..............................................................................................58
INSTALLATION: ...................................................................................................................... 59