2 Table of contents  Manual Power Quality Filter PQFS
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Table of contents
1
Introduction to this manual .............................................................................................................. 6
1.1 What this chapter contains............................................................................................................................ 6
1.2 Intended audience ........................................................................................................................................... 6
1.3 Compatibility .................................................................................................................................................... 6
1.4 Contents ............................................................................................................................................................. 6
1.5 Related publications ........................................................................................................................................ 6
2 Safety Instructions ............................................................................................................................. 8
3 Upon Reception ................................................................................................................................ 10
3.1 What this chapter contains.......................................................................................................................... 10
3.2 Delivery inspection ........................................................................................................................................ 10
3.3 Unpacking instructions ................................................................................................................................ 10
3.4 Lifting and transportation guidelines ....................................................................................................... 10
3.5 Identification tag ........................................................................................................................................... 13
3.6 Storage ............................................................................................................................................................. 13
4 Hardware description ...................................................................................................................... 14
4.1 What this chapter contains.......................................................................................................................... 14
4.2 Typical PQFS filter panel layout .................................................................................................................. 14
4.3 The PQF current generator hardware ....................................................................................................... 16
4.4 The PQF main controller ............................................................................................................................... 17
4.5 The PQF-Manager user interface................................................................................................................ 18
4.6 Location of the main PQFS components ................................................................................................. 25
4.6.1 Active filter components ................................................................................................................... 25
4.6.2 Active filter door components and protective grid .................................................................... 29
5 Mechanical design and installation ................................................................................................ 30
5.1 What this chapter contains......................................................................................................................... 30
5.2 Installation location requirements ........................................................................................................... 30
5.3 Airflow and cooling requirements .............................................................................................................. 31
5.4 Standard cubicle dimensions, fixing holes and clearances ................................................................. 32
5.5 Instructions for mounting the filter .......................................................................................................... 33
5.6 Filter noise level ............................................................................................................................................. 34
5.7 Instructions for mounting the PQF-Manager in enclosures ................................................................ 35
6 Electrical design and installation ................................................................................................... 36
6.1 What this chapter contains..........................................................................................................................36
6.2 Instructions for connecting the PQF-Manager to a filter system ...................................................... 37
6.3 Checking the insulation of the assembly - earth resistance ................................................................ 37
6.4 EMC considerations.......................................................................................................................................38
6.5 Earthing guidelines ........................................................................................................................................38
6.6 Selection of the power cable size ...............................................................................................................39
6.7 Selection of the power cable protection/filter input protection scheme ........................................42
6.8 Connection of the PQFS to the network.................................................................................................. 44
6.8.1 Connection of the PQFS in 3-wire mode ...................................................................................... 45
6.8.2 Connection of the PQFS in 4-wire mode ....................................................................................... 47
6.9 Selection of the current transformers ..................................................................................................... 48
6.10 Current transformer installation ............................................................................................................... 50
6.10.1 Basic rules for correct CT installation ........................................................................................... 50
6.11 Electrical interconnection of PQFS enclosures ....................................................................................... 52
6.11.1 Mechanical interconnection of the enclosures ............................................................................ 53
6.11.2 Control board cable interconnection ............................................................................................. 53
6.11.3 CT cable interconnection ................................................................................................................. 54
6.11.4 Connection of the power stage to the supply .............................................................................55
6.12 Electrical connections to the PQF-Manager user interface ................................................................ 56
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