Operation With Capacitors; Behavior In Case Of Power Outage - ABB PQFA Instruction Manual

10.2. Operation with capacitors

Networks where the PQFA is installed have large harmonic content and it is
highly recommended that capacitor banks, if present, be fitted with detuning
reactors. In that case, harmonics orders below the tuning frequency of the
bank should not be handled by the filter.
The following table indicates the harmonics to be deselected for main types of
detuned banks.
Detuned bank type Harmonics to
5.67%
6%
7%
14%
For other types of detuned bank or in the case of plain capacitors, please
contact your ABB Service provider to evaluate the resonance frequency and
the harmonics to be deselected.

10.3. Behavior in case of power outage

In case of power outage, the PQFA will stop and automatically re-start after
having re-conducted the network characterisation and synchronization
procedures.
be deselected
2, 3, 4.
2, 3, 4.
2, 3.
2.
Asea Brown Boveri Jumet S.A.
PQFA Instructions Manual
66