Danfoss VACON 1000 Handleiding
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Planning and project
engineering of AC drives in
chemical and pharmaceutical
applications
Brochure | Chemical & Pharmaceutical
690 V
Modular AC drives
oer integrated
safety functions
tailored
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Assistance in planning and design .................................5
Part 1: General information on AC drives ......................6
Reduce costs and increase productivity ........................6
Are the same efficiencies really the same? ....................8
Thorough planning saves money .......................................................8
Consider filters for protection and efficiency ..............9
Variable speed control: great potential
and quick implementation ...........................................10
Energy savings ........................................................................10
Power factor (cosφ) correction ..........................................10
Optimized operation in the partial load range ..............10
Automatic energy optimization .........................................10
Fewer start cycles ...................................................................10
Cost reduction over the entire life cycle ......................11
Gentle system operation ......................................................11
Part 2: Project engineering ...........................................12
Implementing available savings ..................................12
Mains supply ..................................................................13
Industrial DC Backup technology ................................14
Electromagnetic compatibility (EMC) ..........................16
High frequency radio frequency interference ............18
The operating site is the deciding factor
- first and second environment ....................................19
Power quality .................................................................20
Low-frequency mains harmonics ....................................................20
Reduction of mains harmonics .....................................22
Active filters reduce harmonics ....................................23
Harmonic mitigation technology overview ................24
Active Front End and Matrix converter ........................26
Harmonic mitigation solutions ....................................28
Common DC bus systems ..............................................30
Load sharing ..................................................................30
Grid protection measures .............................................32
Reactive power compensation .........................................................32
Electrical transients ...................................................................................32
Operation from a transformer or generator ................33
Maximum transformer load.................................................................33
Transformer load ...................................................................33
Power quality ..........................................................................33
Operation from a standby generator ............................................33
When operating with harmonic sources, the limits are as
follows: .....................................................................................33
Ambient and environmental conditions .....................34
The right installation site .......................................................................34
Cabinet mounting or wall mounting? ..........................................34
IP and NEMA protection ratings ...................................35
Structure of IP protection ratings according to IEC60529 35
Structure of NEMA enclosure types according to NEMA EN
P1-2020 ...........................................................................................................37
Cooling concept .............................................................38
Ambient temperature compliance ....................................38
Cooling .....................................................................................38
Liquid-cooled drive technology .........................................39
Special requirements ....................................................40
Aggressive air or gases ...........................................................................40
Dust burden ..................................................................................................41
Explosion hazard area ...................................................42
Explosion hazard areas ...........................................................................42
ATEX motor design ...................................................................................43
Explosion-protected motors ...............................................................44
Insulation stress at electrical machines supplied by AC
drives .........................................................................................45
2Danfoss Drives · DEDD.PB.402.A4.02
Safety functions in drives .............................................46
Explosion hazard areas ...........................................................................46
Motor sole protection ...........................................................46
Explosion protection concept for variable speed drives
with “increased safety” ignition protection .....................46
A low-cost, flexible alternative ...........................................48
Functional safety ...........................................................50
Safety functions in AC drives ...............................................50
Suitability of motors for AC drive operation ...............53
Selection criteria .........................................................................................53
Output filters .................................................................54
Sine wave filter, All-mode filter or dU/dt filter ..........................54
All-mode filter ..............................................................................................55
dU/dt filter ......................................................................................................56
Common mode filter ...............................................................................56
Overview of output filters .....................................................................57
Motor efficiency .............................................................58
Minimum efficiency performance standards (MEPS) for
motors ...............................................................................................................58
Mandatory minimum efficiencies .....................................58
Affected three-phase motors ..............................................58
Alternatives to required IE3 motors ...................................58
Motor compatibility ..............................................................58
Geared motors ........................................................................58
Ecodesign for motors ............................................................58
IE classification of motors .............................................59
Advantage of PM motors
– higher energy efficiency ....................................................59
MEPS timeline .........................................................................59
Good practice - motor cables ........................................60
Cable dimensioning ..............................................................60
Energy savings ........................................................................60
Cables with suitable shielding ............................................60
Good practice - Grounding measures ..........................61
Conductive materials ............................................................61
Contact points ........................................................................61
Execution .................................................................................61
Shielding measures .......................................................62
Ground connection ...............................................................63
Motor supply cable ................................................................63
Shield as ground conductor? ..............................................63
Implementing EMC measures .......................................64
From theory to practice .........................................................................64
Radio frequency interference .............................................................64
Practical recommendations ................................................64
Mains harmonics ........................................................................................65
The DC link influences
mains harmonics ..................................................................65
Line reactors (AC or DC inductors) .....................................65
Passive filters ...........................................................................66
Active filter, Active Front End
and low-harmonic drive.......................................................66
12-,18- and 24-pulse rectifiers ............................................66
Recommendation ..................................................................66
RCD .................................................................................67
AC/DC-sensitive protective device .................................................67
Magnitude of the leakage current .....................................67
Grounding and motor protection ................................68
Grounding measures in practice ......................................................68
Motor protection and motor thermistor .....................................68
3Danfoss Drives · DEDD.PB.402.A4.02
Product specificaties
| Merk: | Danfoss |
| Categorie: | Niet gecategoriseerd |
| Model: | VACON 1000 |
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