Hitachi APCQ - Power Module

APCQ CAPACITOR BANKS
STATUS
Approved
SECURITY LEVEL
Public
DOCUMENT ID
9AKK107680A4136
RE V.
E
LANG.
en
PAGE
13/47
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4.5. Power module
Power modules are all-in-one pre-wired modules, which include capacitor, contactor, fuses, discharge resistors and
reactor (for APCQ-R). The protection plexiglasses are present by default inside all APCQ cabinets.
Figure 9: 100 kvar APCQ-M Power module
Figure 10: 50 kvar APCQ-R Power module
Ventilation system
All APCQ capacitor banks are air forced ventilated IP23 (IP54 available as an option).
APCQ
-L
APCQ
-M & APCQ-R
Fan quantity
1
2 (IP23)
1 (IP54)
Fan location
Door
Top (IP23)
Front door panel (IP54)
Air flow
117 m³/h
IP23: 2 x 240 m³/h (hot air out)
IP54: 1 x 520 m³/h (fresh air in
– door bottom) + 1 x 520
m³/h (hot air out – door top)
As a matter of protection, the bank does not operate as long as the ventilation circuit is not fed or when thermal cutoff
switch trips.
Capacitor
Contactors
Fuses
Plexiglass
Reactor
Contactor
Fuses
Capacitor
Plexiglass