ii
Contents Innovation Series Medium Voltage GP Type – G Drives GEH-6385
LAN Signal Map.......................................................................................................3-38
Motor Control Functions..................................................................................................3-44
Motor Control Overview...........................................................................................3-44
Flux Curve................................................................................................................3-45
Leakage Inductance Curve........................................................................................3-46
Line Transfer............................................................................................................3-46
Motor Equivalen t Circuit...........................................................................................3-48
Motor Temperatur e Estimation ..................................................................................3-49
Power Dip Protection ................................................................................................3-49
Tach Loss Detection..................................................................................................3-50
Protective Functions........................................................................................................3-52
Custom User Faults ...................................................................................................3-52
DC Link Protection...................................................................................................3-52
Ground Fault Protection (Fast)..................................................................................3-54
Hardware Fault Strings .............................................................................................3-55
Heatsink Thermal Protection.....................................................................................3-56
Line-Line Voltage Protection....................................................................................3-58
Motor Overtemperature Detection.............................................................................3-59
Phase Current Protection...........................................................................................3-60
Timed Overcurrent Detection....................................................................................3-61
Transformer Overtemperature Detection....................................................................3-65
Motor Ground Pr otection..........................................................................................3-66
Phase Imbalance Monitor..........................................................................................3-68
Line Monitor.............................................................................................................3-70
Phase Lock Loop ......................................................................................................3-72
Sequencer Functions........................................................................................................3-74
Sequencer Overview.................................................................................................3-74
Fault Reset Logic......................................................................................................3-74
Sequencer Permissives..............................................................................................3-76
Stopping Commands and Modes...............................................................................3-78
Sequencer Commands...............................................................................................3-82
Sequencer Status.......................................................................................................3-85
Main Contactor Configuration...................................................................................3-87
Speed Reference Functions..............................................................................................3-89
Critical Speed Avoidance..........................................................................................3-89
Local Speed Reference..............................................................................................3-90
Minimum Speed Limit..............................................................................................3-91
Remote Speed Reference...........................................................................................3-92
Speed Reference Generation.....................................................................................3-93
Speed Reference Ramp.............................................................................................3-94
Speed Reference Reverse..........................................................................................3-97
Speed/Torque Control Functions......................................................................................3-99
Droop.......................................................................................................................3-99
Motor Control Interface...........................................................................................3-100
Speed Control Fault Check......................................................................................3-103
Speed Feedback Calculation....................................................................................3-105
Speed/Torque Overview..........................................................................................3-106
Speed/Torque Regulator..........................................................................................3-107
System Data Parameters.................................................................................................3-112
Exec time/Chop freq ...............................................................................................3-112
Motor ctrl alg sel.....................................................................................................3-112
Motor efficien cy.....................................................................................................3-113
Motor service factor................................................................................................3-114
Motor winding cfg..................................................................................................3-114
Preflux Forcing.......................................................................................................3-114