Process Monitor
Overview of Functions
All function groups that have functions with dependencies on the state of the protected object contain a
process monitor. The process monitor detects the current state of the protected object.
Structure of the Function
The Process monitor function is used in the Standard V/I 3-phase protection function group.
The Process monitor function is provided by the manufacturer with the following function blocks:
•
Cold-load pickup detection (optional)
•
Current-flow criterion
•
Circuit-breaker condition
•
Closure detection
[dwpro3pt-061212-01.tif, 2, en_US]
Figure 5-92
Structure/Embedding of the Function
You can activate the cold-load pickup detection as needed. All other stages of the process monitor run perma-
nently in the background and are not displayed in DIGSI.
The following figure shows the relationships of the individual function blocks.
5.8
5.8.1
5.8.2
Function-Group Types
5.8 Process Monitor
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SIPROTEC 5, High-Voltage Bay Controller, Manual
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Summary of Contents for 6MD85
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