Mechanical Interconnection - ABB PQFM Instruction Manual

Figure 54: Overview of the connections to be made between two filter cubicles
The interconnection description is given in
Item Description
Control board intercommunication cable through CAN bus (RJ45 cable, straight
1
interconnection)
2 CT interconnection cable (not provided)
3 Earth interconnection (not provided)
Five steps have to be followed to electrically interconnect a new PQFM cubicle/plate with
an existing filter/plate. They are outlined in the next five paragraphs.

6.11.1 Mechanical interconnection

Ensure that the new cubicle is mechanically interconnected with the existing filter. For
guidelines on how to mechanically interconnect add-on filter cubicles, please refer to
Section 5.6.
70 Electrical design and installation ç Manual Power Quality Filter PQFM
AC power supply
L
Preload
resistor
Output filter
Unit 1
Power Unit 1
Master Unit
Table 27: Interconnections between two filter cubicles
...
Output filter
(1)
(2)
Unit 2
(3)
Power Unit 2
Master or Slave Unit
Table 27.
L