Manual Power Quality Filter PQFM
The PQF-Manager user interface 143
4
If the event reported is a fault, which is considered critical by the system, a ‘Critical’
indication will appear on the screen.
5
Fault description list if the event was a fault.
and
give an overview of the possible faults that can be reported.
When entering the ‘Event logging’ window, the most recent event is always displayed.
Use the arrow keys to scroll through the event list. Use any other key to quit the menu.
Table 52: Overview of the events that can be recorded
Event
Description
No event
No storable event has occurred yet
Energization
The power has been switched on
System reset
The filter controller has been reset
Start request
A filter start has been requested
Stop request
A filter stop has been requested
Fault (DSP)
The DSP controller has reported a fault
Fault (uC)
The
µ
controller has reported a fault
Fault cleared
A user attempt to clear a fault has been recorded (by validating the ‘ACK.
FAULT’ option on the PQF-Manager
No more fault
The system detects no more faults
Power outage
The system has detected a power outage
Download DSP
A DSP controller firmware upgrade (attempt) has been recorded
DSP stop
An internal stop command coming from the DSP controller has been
recorded
From
it can be seen that both the DSP controller and the
µ
controller can record
faults. Where the faults reported by the
µ
controller are predominantly relating to a
control board failure, the faults reported by the DSP relate predominantly to the filter
interacting with the installation.
gives an overview of the faults that can be
reported by the DSP controller. The list is in alphabetical order.
Table 53: Overview of the faults that can be reported by the DSP controller
DSP fault message
Description
Bad CT connection
The automatic CT detection procedure has encountered a problem
during the identification process.
Bad Ratings
The DSP has detected an inconsistent set of commissioning
parameters
DC over voltage (SW)
The DC software over voltage protection has been triggered (Cf.
the detailed manuals for limit values).
DC over voltage (HW)
The DC hardware over voltage protection has been triggered.
DC Top over voltage
The DC over voltage protection of the capacitors in the positive
stack has been triggered.