ABB PQFM - Electrical Interconnection of Cubicles and IP00 Plates

70 Electrical design and installation  Manual Power Quality Filter PQFM
Preload
resistor
Output filter
Unit 1 Unit 2
Output filter
Power Unit 1
Master Unit
Power Unit 2
Master or Slave Unit
AC power supply
L
L
…
(2)
(1)
(3)
Figure 54: Overview of the connections to be made between two filter cubicles
The interconnection description is given in Table 27.
Table 27: Interconnections between two filter cubicles
Item
Description
1
Control board intercommunication cable through CAN bus (RJ45 cable, straight
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.