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TABLE
OF
CONTENTS
Document: DPD00906B
Rev. B
Version release date: 18.5.15
4.7.1 Connection between control unit and power unit ...........................................................28
4.7.2 LCL wiring diagram ..........................................................................................................29
4.8
4.8.1 Vacon NXA; DC voltage 380–500 V ....................................................................................33
4.8.2 Vacon NXA; DC voltage 525–690 V ....................................................................................33
4.9
4.10 LCL filter – Dimensions ....................................................................................................34
4.11 Active Front End unit – Fuse selection ............................................................................35
4.11.1
Introduction ......................................................................................................................35
4.11.2
Fuses; mains voltage 380–500 V ......................................................................................35
Fuses; mains voltage 525–690 V ......................................................................................36
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
4.15.2
Each Active Front End unit has the pre-charging circuit ................................................43
Ambient Temperature ......................................................................................................44
Installation altitude ..........................................................................................................44
Summary of Contents for NX Active Front End
Page 1: ...vacon nx ac drives active front end unit afe user manual ...
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