Lenze DSD User Manual Page 356
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11 Drive Dimensioning
11.6 Inverters
356
Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
k
ol
Set inverter operation with increased continuous power.
Frequency inverters can be operated with rated power
(100 %) and increased rated power (120 %).
• During operation with increased rated power, an in-
creased permanent power but only a few overload re-
serves are provided. Possible limitations for this
operation: limited temperature range, use of a mains
choke, lower switching frequency.
f
ch
kHz kHz Switching frequency range
M-n M-n characteristic of the motor
: saved characteristic
-: equivalent characteristic
A
th
~
% % Previously calculated thermal utilisation of the inverter
• Monitoring of the continuous current
Relevant topics:
Thermal utilisation (Ixt)
( 348)
Possible messages:
Max. thermal utilisation >100 %
( 466)
A
~
(I
max
) % % Previously calculated utilisation of the inverter relative
to the max. output current
• Ratio of the required current to the max. output cur-
rent of the inverter.
Relevant topics:
Determination of the utilisation values of the inverter
( 346)
Possible messages:
Max. output current exceeded
( 465)
A
~
(I
max,I
/I
N,M
) Utilisation of the inverter calculated in advance with ref-
erence to the ratio of the rated output current of the in-
verter and the rated motor current
• An overdimensioning that is too high, due to an unfa-
vourable current resolution will possibly result in con-
trol-oriented problems and an insufficient behaviour
with regard to smooth running.
Relevant topics:
Determination of the utilisation values of the inverter
( 346)
Possible messages:
Current resolution is not adapted to the motor
( 467)
I
rated
A A Rated output current of the inverter
I
max
A A Max. output current of the inverter
• The maximum output current depends on the mains
voltage and the heatsink temperature and is reduced
at low output frequencies.
Relevant topics:
Current derating for inverters
( 352)
Possible messages:
Max. output current exceeded
( 465)
Parameter Unit Description
Metric Imperial
- Drive Solution 1
- Designer 1
- Contents 10
- 1 Notes on usage 11
- 2 About this documentation 14
- Pictograph and signal word! 17
- 3User interface 18
- How to sort the results: 35
- How to filter results: 35
- How to open created notes: 38
- How to delete notes: 38
- 4.3.1 Messages 44
- 4.3.2 Software updates 45
- 4.4 Language 46
- 4.5 Settings 46
- 4.5.3 "Help" tab 47
- 4.5.5 "Units" tab 48
- User data 50
- Registration data: 50
- 4.6 User-specific settings 51
- 4.6.1 User-defined defaults 51
- 5Managing projects 52
- 6 Drive dimensioning tools 55
- 7Applications 100
- Mass calculator ( 405) 109
- Danger! 122
- Pole pair 191
- 8 Motion design 224
- symbol in the toolbar 225
- CINH = 1 271
- 9 Mains and environment 277
- ( 283) 282
- ( 285) 282
- ( 286) 282
- 10.1 Mechanical drive axis 283
- 10.1.1 Lenze gearbox 283
- 10.1.3 Feedback 284
- 10.2 Electrical drive axis 285
- 10.3 Drive concept 286
- 10.3.1 Gearbox features 287
- 10.3.1.1 Axial gearbox 287
- 10.3.1.2 Right-angle gearbox 288
- 10.3.2 Motor properties 289
- 10.3.4 Inverter properties 294
- 10.3.4.1 Frequency inverter 294
- 10.3.4.2 Servo inverters 296
- 11 Drive Dimensioning 308
- 12 Components in the DC bus 361
- 13 Details on Lenze products 377
- 14 Energy efficiency 378
- 15.1 Drawing 386
- Editing functions 389
- 15.2 Results 390
- 15.3 Protocols 391
- 15.3.1 Summarised protocol 391
- 15.3.2 Detailed protocol 391
- 15.3.3 Commissioning data 392
- 15.3.5 Output settings 393
- 15.4.1 Application Tuner 394
- 15.4.3 BlueGreen 394
- ( 378) 395
- 15.6.1 Dynamic reserves 396
- 15.6.2 Stationary reserves 396
- 15.6.3 Speed reserves 397
- 15.6.7 Reserves for gearboxes 399
- 16 Auxiliary means 401
- How to call the calculator: 404
- How to call the DSC: 425
- 17.1 Field weakening 426
- 17.5 Feedback systems 427
- Measured values 430
- 17.16 System disturbances 435
- [17-6] Group drives 436
- 17.19 ATEX for gearbox 437
- 17.21 Emergency-off scenarios 438
- 18.1 Applications 441
- 18.2 Drive system 445
- 18.3 Additional drive element 449
- 18.4 Lenze gearbox 450
- 18.5 Lenze motor 455
- 18.5.6 Motor speed too low 456
- > as winding ratio q 460
- 18.6 Brake 461
- 18.6.3 No brake available 461
- 18.7 Feedback 463
- 18.7.2 No feedback selected 463
- 18.8 Inverters 465
- 18.8.16 Activate VVC control 469
- 18.8.19 Mains choke required 470
- 18.10 Supply module 476
- 18.11 Brake chopper 479
- 18.12 Brake resistor 481
- 18.13 User motor 483
- ( 42) 485
- ( 46) 485
- 20 Glossary 486
- )(('%$& 494
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