ABB RER620, Technical Manual

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1MAC309294-MB F
Section 7
Measurement functions
RER620 397
Technical Manual
7.1.5.5 Monitored data
Table 349: VA, VB, VC Monitored data
7.1.5.6 Technical data
Table 350: VA, VB, VC Technical data
Name Type Values (Range) Unit Description
VAB-kV FLOAT32 0.00...4.00 xVn Measured phase to phase voltage amplitude
phase AB
VBC-kV FLOAT32 0.00...4.00 xVn Measured phase to phase voltage amplitude
phase B
VCA-kV FLOAT32 0.00...4.00 xVn Measured phase to phase voltage amplitude
phase C
V_INST_AB FLOAT32 0.00...4.00 xVn VAB Amplitude, magnitude of instantaneous
value
V_DB_AB FLOAT32 0.00...4.00 xVn VAB Amplitude, magnitude of reported value
V_RANGE_AB Enum 0=normal
1=high
2=low
3=high-high
4=low-low
VAB Amplitude range
V_INST_BC FLOAT32 0.00...4.00 xVn VBC Amplitude, magnitude of instantaneous
value
V_DB_BC FLOAT32 0.00...4.00 xVn VBC Amplitude, magnitude of reported value
V_RANGE_BC Enum 0=normal
1=high
2=low
3=high-high
4=low-low
VBC Amplitude range
V_INST_CA FLOAT32 0.00...4.00 xVn VCA Amplitude, magnitude of instantaneous
value
V_DB_CA FLOAT32 0.00...4.00 xVn VCA Amplitude, magnitude of reported value
V_RANGE_CA Enum 0=normal
1=high
2=low
3=high-high
4=low-low
VCA Amplitude range
V_INST_A FLOAT32 0.00...4.00 xVn VA Amplitude, magnitude of instantaneous value
V_INST_B FLOAT32 0.00...4.00 xVn VB Amplitude, magnitude of instantaneous value
V_INST_C FLOAT32 0.00...4.00 xVn VC Amplitude, magnitude of instantaneous value
Characteristic Value
Operation accuracy Depending on the frequency of the voltage measured: f
n
±2Hz
(Secondary PT voltages): At voltages range 0.01…1.15 X V
n
±0.5% or ±0.002 X V
n
(SIM0001/CVD): At voltages range 0.20 to 1.4 X V
n
±1% or ±0.005 X V
n
Suppression of harmonics DFT: -50 dB at f = n x f
n
, where n = 2, 3, 4, 5,…
RMS: No suppression