4 Measurands and Recording
4.2 Measurands
63SICAM P850/P855, 7KG85xx, Device Manual
E50417-H1040-C482-A6, Edition 10.2018
1)
Interfaces: protocols IEC 61850 (PQDIF depending on the measuring interval) and Modbus TCP;
settable aggregation times: 30 s, 60 s, 10 min, 15 min, 30 min, 1 h, 2 h
2)
Interfaces: protocols IEC 61850 and Modbus TCP, HTML, display
determining overvoltage, undervoltage and voltage interruption according to EN 50160, for example
3)
Interfaces: protocols IEC 61850, HTML
4)
Interfaces: protocols IEC 61850, HTML
1/2 period, RMS values
5)
The frequency is permanently defined with 10 s mean value recording.
THDS, Voltage
THDS_Va x x x - - -
THDS_Vb x x x - - -
THDS_Vc x x x - - -
THDS_Vab x x x - - -
THDS_Vbc x x x - - -
THDS_Vca x x x - - -
THDS, Current
THDS_Ia x x x - - -
THDS_Ib x x x - - -
THDS_Ic x x x - - -
Short Term Flicker
Pst_axxx- - -
Pst_bxxx- - -
Pst_cxxx- - -
Long Term Flicker
Plt_axxx- - -
Plt_bxxx- - -
Plt_cxxx- - -
Table 4-12 Recording and Evaluation of the Operational Measurands of SICAM P855 (cont.)
Measurand
(x = 1 to 40)
Measurement Recorder
1)
Event
Recorder
2)
Fault
Recorder
3)
Trend
Recorder
4)
AVG Max. Value Min. Value Values COMTRADE PQDIF
PQDIF, CSV