ABB PQFS

124 The PQF-Manager user interface  Manual Power Quality Filter PQFS
− Inverter DC bus voltage: ‘Udc’ graph
− Peak current of the IGBT-modules: ‘Ipeak’ graph
− RMS current of the IGBT-modules: ‘Irms’ graph
− IGBT-temperature: ‘Temp’ graph
For multi-unit filters, this data can be obtained for each individual unit.
7.10.3 The ‘Event logging’ menu
The ‘event logging’ window stores the events that are recorded by the filter controllers.
The event buffer stores the 200 most recent events. Figure 66 gives an example of the
event window. Two buttons are available on this screen, one scrolls to the next 10 events
and the other the previous 10 events at a time.
1
3
2
4
5
Figure 66: Example of an event window
The explanation of the different items is given in Table 47.
Table 47: Item explanation of the event window
Item
Explanation
1
Event number (0-199)
The smaller the number, the more recent the event
2
Event type
Table 48 gives an overview of the possible event types
3
Date and time at which the event occurred