Table of contents
Inverter chassis units
Operating Instructions, 07/2016, A5E00331449A
13
7.3.1 Voltage boost ........................................................................................................................ 331
7.3.2 Resonance damping ............................................................................................................. 334
7.3.3 Slip compensation ................................................................................................................. 335
7.4 Vector speed/torque control with/without encoder ................................................................ 337
7.4.1 Vector control without encoder ............................................................................................. 338
7.4.2 Vector control with encoder .................................................................................................. 345
7.4.3 Actual speed value filter ........................................................................................................ 346
7.4.4 Speed controller .................................................................................................................... 347
7.4.4.1 Speed controller pre-control (integrated pre-control with balancing) .................................... 350
7.4.4.2 Reference model ................................................................................................................... 352
7.4.4.3 Speed controller adaptation .................................................................................................. 354
7.4.4.4 Droop Function ..................................................................................................................... 356
7.4.4.5 Open actual speed value ...................................................................................................... 358
7.4.5 Closed-loop torque control .................................................................................................... 360
7.4.6 Torque limiting ...................................................................................................................... 362
7.4.7 Current setpoint filters ........................................................................................................... 364
7.4.8 Current controller adaptation ................................................................................................ 365
7.4.9 Permanent-magnet synchronous motors.............................................................................. 366
8 Output terminals.................................................................................................................................. 369
8.1 Chapter content .................................................................................................................... 369
8.2 TM31 analog outputs ............................................................................................................ 370
8.2.1 List of signals for the analog signals ..................................................................................... 371
8.3 TM31 digital outputs .............................................................................................................. 373
9 Functions, monitoring, and protective functions ................................................................................... 375
9.1 Chapter content .................................................................................................................... 375
9.2 Drive functions ...................................................................................................................... 376
9.2.1 Motor data identification and automatic speed controller optimization ................................. 376
9.2.1.1 Motor data identification ........................................................................................................ 377
9.2.1.2 Rotating measurement and speed controller optimization ................................................... 380
9.2.1.3 Shortened rotating measurement ......................................................................................... 382
9.2.1.4 Parameters ........................................................................................................................... 383
9.2.2 Efficiency optimization .......................................................................................................... 384
9.2.3 Fast magnetization for induction motors ............................................................................... 385
9.2.4 Vdc control ............................................................................................................................ 387
9.2.5 Automatic restart function ..................................................................................................... 392
9.2.6 Flying restart ......................................................................................................................... 395
9.2.6.1 Flying restart without an encoder .......................................................................................... 396
9.2.6.2 Flying restart with encoder .................................................................................................... 399
9.2.6.3 Parameters ........................................................................................................................... 400
9.2.7 Motor changeover/selection .................................................................................................. 401
9.2.7.1 Description ............................................................................................................................ 401
9.2.7.2 Example of changing over between two motors ................................................................... 401
9.2.7.3 Function diagram .................................................................................................................. 402
9.2.7.4 Parameters ........................................................................................................................... 403
9.2.8 Friction characteristic curve .................................................................................................. 403
9.2.9 Armature short-circuit braking, DC braking........................................................................... 405
9.2.9.1 General ................................................................................................................................. 405
9.2.9.2 External armature short-circuit braking ................................................................................. 405
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