Overview
The “Voltage comparison supervision” function monitors the voltage-transformer circuits by comparing the voltages from 2 voltage transformers If failures in the voltage circuits are detected, voltage-related protection functions can be blocked. it requires the connection of 2 voltage measuring points to the voltage interface of the function group. You can take one of the voltages as the reference voltage and then the other becomes the main voltage. The reference voltage is used for comparison.
For more detailed information on “Voltage comparison supervision” function, refer to SIPROTEC 5 devices, V8.30 & higher manuals.
To see other supported functions, click here.
Structure/Embedding of the Function
Setting Parameters
Setting parameters for Voltage comparison supervision
| Addr. | Parameter | C | Setting Options | Default Setting |
| VolCmpSup 1 | ||||
| _:2311:1 | General:Mode | off on test |
off | |
| _:2311:101 | General:Reference voltage | Setting options depend on configuration | ||
Logic Diagrams & highlights
Application Example
Connecting the Measuring Points to the Generator Stator Function Group
Logic Diagram of the Supervision Stage
Voltage Description
