Table Of Contents - Vacon NX Active Front End User Manual

1. Safety ...............................................................................................................5
1.1 Warnings ............................................................................................................................6
1.2 Safety Instructions .............................................................................................................6
1.3 Earthing ..............................................................................................................................6
2. EU Directive .....................................................................................................7
2.1 CE marking .........................................................................................................................7
2.2 EMC directive .....................................................................................................................7
2.2.1 Introduction ........................................................................................................................7
2.2.2 Technical criteria ...............................................................................................................7
2.2.3 Vacon Active Front End EMC classification .......................................................................7
2.2.4 Manufacturer's declaration of conformity .........................................................................7
3. Receipt of delivery .........................................................................................10
3.1 Type designation code for the AFE unit ...........................................................................10
3.2 Type designation code for the LCL filter .........................................................................11
3.3 Type designation code for the pre-charging components ..............................................12
3.4 Storage .............................................................................................................................13
3.5 Maintenance .....................................................................................................................14
3.6 Lifting the modules ..........................................................................................................15
3.7 Lifting the LCL filters .......................................................................................................17
3.8 Warranty ...........................................................................................................................19
4. Active Front End (AFE) ...................................................................................20
4.1 Introduction ......................................................................................................................20
4.2 Active Front End Unit block diagram ...............................................................................22
4.3 Active Front End frame sizes ...........................................................................................23
4.4 Active Front End unit technical data ................................................................................25
4.5 LCL filter technical data ...................................................................................................27
4.6 Application ........................................................................................................................28
4.7 Diagrams ..........................................................................................................................28
4.7.1 Connection between control unit and power unit ...........................................................28
4.7.2 LCL wiring diagram ..........................................................................................................29
4.8 Active Front End power ratings .......................................................................................33
4.8.1 Vacon NXA; DC voltage 380-500 V ....................................................................................33
4.8.2 Vacon NXA; DC voltage 525-690 V ....................................................................................33
4.9 Active Front End unit - Dimensions .................................................................................34
4.10 LCL filter - Dimensions ....................................................................................................34
4.11 Active Front End unit - Fuse selection ............................................................................35
Introduction ......................................................................................................................35
4.11.1
Fuses; mains voltage 380-500 V ......................................................................................35
4.11.2
Fuses; mains voltage 525-690 V ......................................................................................36
4.11.3
4.12 Active Front End unit - Circuit breaker selection ...........................................................38
4.13 Main contactor .................................................................................................................39
4.14 Pre-Charging circuit ........................................................................................................40
4.15 Paralleling ........................................................................................................................41
Common pre-charging circuit .........................................................................................41
4.15.1
Each Active Front End unit has the pre-charging circuit ................................................43
4.15.2
4.16 Derating ............................................................................................................................44
Ambient Temperature ......................................................................................................44
4.16.1
Installation altitude ..........................................................................................................44
4.16.2
5. Installation .....................................................................................................46
24-hour support +358 (0)201 212 575 • Email: vacon@vacon.com
vacon • 1

TABLE OF CONTENTS

Document: DPD00906B
Version release date: 18.5.15
Rev. B