4 Measurands and Recording
4.2 Measurands
44 SENTRON PAC5100/5200, 7KM5212/5412, Device Manual
E50417-H1040-C568-A1, Edition 03.2015
4.2.3.2 Harmonics, Connection Types
Table 4-4 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-x a-N x - - - x x
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
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