Vacon NX series, User Manual

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vacon • 3
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
TABLE OF CONTENTS
Document: DPD00906D
Rev. D
Version release date: 1/2/18
1. Safety ...............................................................................................................5
1.1 Warnings ............................................................................................................................6
1.2 Cautions .............................................................................................................................6
1.3 Grounding and earth fault protection ................................................................................7
1.4 Electro-magnetic compatibility (EMC)...............................................................................8
1.5 Using an RCD or an RCM device ........................................................................................8
2. EU Directive .....................................................................................................9
2.1 CE marking.........................................................................................................................9
2.2 EMC directive .....................................................................................................................9
2.2.1 Introduction ........................................................................................................................9
2.2.2 Technical criteria ...............................................................................................................9
2.2.3 VACON® Active Front End EMC classification ..................................................................9
2.2.4 Manufacturer’s declaration of conformity.........................................................................9
3. Receipt of delivery .........................................................................................11
3.1 Type designation code for the AFE unit ...........................................................................11
3.2 Type designation code for the LCL filter .........................................................................12
3.3 Type designation code for the pre-charging components ..............................................13
3.4 Storage .............................................................................................................................14
3.4.1 Capacitor reforming.........................................................................................................14
3.5
Maintenance .....................................................................................................................15
3.6 Lifting the modules ..........................................................................................................16
3.7 Lifting the LCL filters .......................................................................................................18
3.8 Disposal............................................................................................................................20
4. Active Front End (AFE) ...................................................................................21
4.1 Introduction ......................................................................................................................21
4.2 Active Front End Unit block diagram...............................................................................23
4.3 Active Front End enclosure sizes ....................................................................................24
4.4 Active Front End unit technical data................................................................................26
4.5 LCL filter technical data ..................................................................................................29
4.6 Application........................................................................................................................30
4.7 Diagrams ..........................................................................................................................30
4.7.1 Connection between control unit and power unit ...........................................................30
4.7.2 LCL wiring diagram..........................................................................................................32
4.8
Active Front End power ratings .......................................................................................36
4.8.1 VACON® NXA; DC voltage 380–500 V ..............................................................................36
4.8.2 VACON® NXA; DC voltage 525–690 V ..............................................................................37
4.9
Active Front End unit – Dimensions ................................................................................38
4.10 LCL filter – Dimensions ...................................................................................................38
4.11 Active Front End unit – Fuse selection ............................................................................39
4.11.1 Introduction ......................................................................................................................39
4.11.2 Fuses; mains voltage 380–500 V......................................................................................39
4.11.3 Fuses; mains voltage 525–690 V......................................................................................42
4.12
Active Front End unit – Circuit breaker selection ...........................................................44
4.13 Main contactor .................................................................................................................45
4.14 Pre-Charging circuit ........................................................................................................46
4.15 Paralleling ........................................................................................................................47
4.15.1 Common pre-charging circuit .........................................................................................47
4.15.2 Each Active Front End unit has the pre-charging circuit ................................................49
4.16
Derating............................................................................................................................50
4.16.1 Ambient Temperature......................................................................................................50