Table of contents
Enclosed Drives
Operating Instructions, 12/2018, A5E36652151A
13
7.4.4.5
Droop Function ..................................................................................................................... 477
7.4.4.6
Open actual speed value ...................................................................................................... 479
7.4.5
Closed-loop torque control .................................................................................................... 481
7.4.6
Torque limiting ...................................................................................................................... 483
7.4.7
Current setpoint filters ........................................................................................................... 485
7.4.8
Current controller adaptation ................................................................................................ 486
7.4.9
Permanent-field synchronous motors ................................................................................... 487
8
Output terminals.................................................................................................................................. 491
8.1
Section content ..................................................................................................................... 491
8.2
Analog outputs ...................................................................................................................... 492
8.2.1
List of signals for the analog signals ..................................................................................... 493
8.3
Digital outputs ....................................................................................................................... 496
9
Functions, monitoring and protective functions .................................................................................... 499
9.1
Section content ..................................................................................................................... 499
9.2
Active Infeed functions .......................................................................................................... 500
9.2.1
Line and DC link identification .............................................................................................. 500
9.2.2
Harmonics controller ............................................................................................................. 501
9.2.3
Variable power factor (reactive power compensation) ......................................................... 502
9.2.4
Settings for the infeed (Active Infeed) under difficult line conditions .................................... 503
9.3
Drive functions ...................................................................................................................... 505
9.3.1
Motor data identification and automatic speed controller optimization ................................. 505
9.3.1.1
Motor data identification ........................................................................................................ 506
9.3.1.2
Rotating measurement and speed controller optimization ................................................... 509
9.3.1.3
Shortened rotating measurement ......................................................................................... 511
9.3.1.4
Parameters ........................................................................................................................... 512
9.3.2
Efficiency optimization .......................................................................................................... 513
9.3.2.1
Description ............................................................................................................................ 513
9.3.2.2
Simple efficiency optimization (method 1) ............................................................................ 514
9.3.2.3
Advanced efficiency optimization (method 2) ....................................................................... 515
9.3.2.4
Function diagrams, parameters ............................................................................................ 515
9.3.3
Fast magnetization for induction motors ............................................................................... 516
9.3.4
Vdc control ............................................................................................................................ 519
9.3.5
Automatic restart function ..................................................................................................... 523
9.3.6
Flying restart ......................................................................................................................... 526
9.3.6.1
Flying restart without encoder ............................................................................................... 528
9.3.6.2
Flying restart with encoder .................................................................................................... 531
9.3.6.3
Parameters ........................................................................................................................... 532
9.3.7
Checking for a short-circuit/ground fault at a motor .............................................................. 533
9.3.8
Motor changeover ................................................................................................................. 534
9.3.8.1
Description ............................................................................................................................ 534
9.3.8.2
Example of changing over between two motors ................................................................... 534
9.3.8.3
Function diagrams ................................................................................................................ 536
9.3.8.4
Parameters ........................................................................................................................... 536
9.3.9
Friction characteristic curve .................................................................................................. 537
9.3.10
Armature short-circuit braking, DC braking........................................................................... 539
9.3.10.1
General ................................................................................................................................. 539
9.3.10.2
External armature short-circuit braking ................................................................................. 539
9.3.10.3
Internal armature short-circuit braking .................................................................................. 541
Summary of Contents for SINAMICS S150 NEMA
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