Siemens Sicam P850 7KG85 Series - Page 48

4 Measurands and Recording
4.2 Measurands
48 SICAM P850/P855, 7KG85xx, Device Manual
E50417-H1040-C482-A6, Edition 10.2018
4.2.3.2 Harmonics, Connection Types
Table 4-5 Harmonics, Connection Types in Power Systems
Measurand
(x = 1 to 40)
Circuit 1-phase
System
3-wire Networ
(Delta)
4-wire Network
(Star)
Balanced
(1I)
Unbal-
anced (3I)
Unbal-
anced (2I)
Balanced
(1I)
Unbal-
anced (3I)
Harmonics, Voltage, Magnitude
H_Va-xa-Nx ---xx
H_Vb-xb-N -----x
H_Vc-xc-N -----x
Harmonics, Current, Magnitude
H_Ia-xaxxxxxx
H_Ib-x b - - x x - x
H_Ic-x c - - x x - x
THDS, Voltage
THDS_Va/Vab a-N/ab x - - - x x
THDS_Vb/Vbcb-N/bc-----x
THDS_Vc/Vcac-N/ca-----x
THDS, Current
THDS_Iaaxxxxxx
THDS_Ib b - - x x - x
THDS_Ic c - - x x - x