— 4 —
6F3A4768
4.3.9
Relief Mode Display ................................................................................................................ 104
5
Operation ..................................................................................................................................................105
5.1
Main Circuit Operation .......................................................................................................................105
5.1.1
Main circuit Operation of Two-level Inverter ............................................................................ 105
5.1.2
Two-level Converter Operation................................................................................................ 108
5.1.3
Main Circuit Operation for Three-level Inverter........................................................................ 110
5.1.4
Three-level Converter Operation ............................................................................................. 113
5.2
Main Circuit Configuration of TMdrive-30 ..........................................................................................115
5.2.1
Single Drive (1500kVA, 2000kVA)........................................................................................... 115
5.2.2
Twin-drive (2x1500kVA, 2x2000kVA) ...................................................................................... 116
5.3
Main Circuit Configuration of TMdrive-P30........................................................................................117
5.3.1
Single Converter (1700kW) ..................................................................................................... 117
5.3.2
Twin converter (2x1700kW) .................................................................................................... 118
5.4
Control Circuit TMdrive-30 .................................................................................................................119
5.4.1
Speed Reference .................................................................................................................... 120
5.4.2
Speed Control ......................................................................................................................... 122
5.4.2.1
Speed Control 1 (ASPR)........................................................................................... 122
5.4.2.2
Speed control gain switching (option)........................................................................ 123
5.4.2.3
Speed Control 2 (ASR) ............................................................................................. 124
5.4.2.4
Speed Control with RMFC Control (ASRR) ............................................................... 126
5.4.3
Torque Reference and Current Reference ............................................................................... 128
5.4.3.1
Tension Control (Option) .......................................................................................... 128
5.4.3.2
IQ Limit .................................................................................................................... 129
5.4.4
D-Q Axis Current Control......................................................................................................... 130
5.4.5
Voltage Reference................................................................................................................... 132
5.4.6
Speed Feedback ..................................................................................................................... 133
5.4.6.1
PLG.......................................................................................................................... 133
5.4.6.2
Resolver................................................................................................................... 134
5.5
Optional Function According to Application (TMdrive-30) .................................................................135
5.5.1
Auto Field Weakening Control................................................................................................. 135
5.5.2
Torque Control ........................................................................................................................ 136
5.5.3
Sensor-less Vector Control ...................................................................................................... 139
5.5.4
V/f Control............................................................................................................................... 139
5.5.5
JOG Operation........................................................................................................................ 140
5.5.6
Emergency Operation ............................................................................................................. 141
5.5.6.1
Emergency Operation Mode ..................................................................................... 141
5.5.6.2
E-HOLD Mode.......................................................................................................... 141
5.5.7
Shared Motion......................................................................................................................... 142
5.6
Control Circuit TMdrive-P30...............................................................................................................144
5.6.1
Voltage reference.................................................................................................................... 145
5.6.2
Voltage Control ....................................................................................................................... 145
5.6.3
D-Q Axis Current Control......................................................................................................... 146
5.6.4
Voltage Reference................................................................................................................... 148
5.6.5
Voltage Saturation Restraint Control (VSC) ............................................................................. 149
5.6.6
Reactive Current Voltage Control (RCV) (Optional) ................................................................. 150
6
Maintenance (Common to TMdrive-30 and TMdrive-P30) ..................................................................151
6.1
Daily Inspections ................................................................................................................................151
6.2
Regular Inspections............................................................................................................................152
6.3
Points of Maintenance........................................................................................................................152
6.3.1
Cleaning of Main Circuit and Control Circuit ............................................................................ 152
6.3.2
Enclosure and Structural Parts ................................................................................................ 153
6.3.3
Printed Circuit Boards ............................................................................................................. 153
6.4
Parts to be Regularly Renewed .........................................................................................................154
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