Siemens SIPROTEC 4 7VE61 - Protection and Automation Functions

Protection and Automation Functions
The many of measured values at the analog inputs of the device can be made accessible to other applications,
in addition to the synchronizing functions. Here the voltage or frequency protection or the threshold supervi-
sion are used for these values. A further application involves power system decoupling.
In the device variants 7VE6***-**B*- with supplementary functionality, the following functions are available:
•
Undervoltage protection (ANSI 27)
•
Overvoltage protection (ANSI 59)
•
Frequency protection (ANSI 81)
•
Rate of frequency change protection (ANSI 81R)
•
Vector Jump
•
Threshold Supervisions
•
External trip commands
The functions are described in the following chapters.
2.3
Functions
2.3 Protection and Automation Functions
SIPROTEC 4, 7VE61 and 7VE63, Manual 81
C53000-G1176-C163-3, Edition 10.2017