2 Table of contents Manual Power Quality Filter PQFM
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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 ............................................................................................................................................7
2 Safety Instructions ............................................................................................................................ 8
3 Upon Reception .................................................................................................................................. 9
3.1 What this chapter contains .............................................................................................................................. 9
3.2 Delivery inspection .............................................................................................................................................. 9
3.3 Lifting and transportation guidelines .......................................................................................................... 9
3.4 Identification tag ................................................................................................................................................ 11
3.5 Storage................................................................................................................................................................... 11
4 Hardware description ....................................................................................................................... 12
4.1 What this chapter contains .............................................................................................................................12
4.2 Typical PQFM filter panel layout ....................................................................................................................12
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 PQFM components .................................................................................................. 25
4.6.1 Active filter components ..................................................................................................................... 25
4.6.2 Active filter door components and protective grid .................................................................... 30
5 Mechanical design and installation .................................................................................................. 31
5.1 What this chapter contains .............................................................................................................................31
5.2 Installation location requirements ...............................................................................................................31
5.3 Airflow and cooling requirements................................................................................................................ 32
5.4 Standard cubicle dimensions, fixing holes and clearances ................................................................. 33
5.5 Instructions for mounting IP00 and the PQF-Manager in cubicles ................................................... 35
5.6 Mechanical interconnection of PQFM cubicles ........................................................................................ 39
5.7 Mechanical preparation of a common cable entry cubicle ..................................................................40
6 Electrical design and installation .................................................................................................... 42
6.1 What this chapter contains ............................................................................................................................ 42
6.2 Instructions for connecting the PQF-Manager to an IP00 filter system ......................................... 43
6.3 Checking the insulation of the assembly - earth resistance ............................................................... 43
6.4 EMC considerations .......................................................................................................................................... 43
6.5 Earthing guidelines ........................................................................................................................................... 45
6.6 Selection of the power cable size ................................................................................................................. 47
6.7 Selection of the power cable protection/filter input protection scheme ...................................... 50
6.7.1 CE version protection scheme........................................................................................................... 50
6.7.2 cULus version protection scheme .................................................................................................... 52
6.7.3 Contactor type for different unit ratings ...................................................................................... 53
6.7.4 Optional surge arrester circuit (CE version only) ........................................................................ 53
6.8 Connection of the PQFM to the network ................................................................................................... 54
6.9 Selection of the current transformers ........................................................................................................ 56
6.10 Current transformer installation .................................................................................................................. 59
6.10.1 Basic rules for correct CT installation ............................................................................................. 59
6.10.2 CT locations for the case of global compensation – one feeding transformer................. 62
6.10.3 CT locations for the case of individual compensation – one feeding transformer.......... 62
6.10.4 CT locations for the case of global compensation – transformer busbar not accessible ..
..................................................................................................................................................................... 63
6.10.5 CT locations for the case of two independent feeding transformers.................................. 64
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