Figure. 5.5.2 - 199. Simplified function block diagram of the VTS function.
Measured input
The function block uses analog voltage measurement values. Function uses the RMS value of the
voltage measurement inputs and the calculated (positive, negative and zero) sequence currents.
Table. 5.5.2 - 195. Measurement inputs of the voltage transformer supervision function.
Signal
Description
Time base
U
L12
RMS
RMS measurement of voltage U
L12
/V
5ms
U
L23
RMS
RMS measurement of voltage U
L23
/V
5ms
U
L31
RMS
RMS measurement of voltage U
L31
/V
5ms
U
L1
RMS
RMS measurement of voltage U
L1
/V
5ms
U
L2
RMS
RMS measurement of voltage U
L2
/V
5ms
U
L3
RMS
RMS measurement of voltage U
L3
/V
5ms
U1P
Positive sequence voltage
5ms
U2N
Negative sequence voltage
5ms
UZ0
Zero sequence voltage
5ms
U
L12
Ang
Angle of U
L12
voltage
5ms
U
L23
Ang
Angle of U
L23
voltage
5ms
U
L31
Ang
Angle of U
L31
voltage
5ms
U
L1
Ang
Angle of U
L1
voltage
5ms
U
L2
Ang
Angle of U
L2
voltage
5ms
A
AQ
Q-T215
-T215
Instruction manual
Version: 2.04
306