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Measured Quan-
tity
Circuit
1-Phase
System
3-Wire
Network
(Delta)
Balanced
(1I)
3-Wire
Network
(Delta)
Unbalanced
(3I)
3-Wire
Network
(Delta)
Unbalanced
(2I)
4-Wire
Network
(Star)
Balanced
(1I)
4-Wire
Network (Star)
Unbalanced
(3I)
φc
c
–
–
–
–
–
x
φVI
a+b+c
–
x
x
x
x
1/3 Σ φVI
ph
Frequency
System
frequency
a
x
x
x
x
x
x
Harmonics
Table 2-14
Harmonics Depending on the Connection Types in Power Systems
Measured Quan-
tity
(x = 1 to 40)
x = 1: Funda-
mental
Circuit
1-Phase
System
3-Wire
Network
(Delta)
(Balanced
(1I)
3-Wire
Network
(Delta)
Unbalanced
(3I)
3-Wire
Network
(Delta)
Unbalanced
(2I)
4-Wire
Network
(Star)
Balanced
(1I)
4-Wire
Network
(Star)
Unbalanced
(3I)
Magnitude of Voltage Harmonics
H_Va-x
a-N
x
–
–
–
x
x
H_Vb-x
b-N
–
–
–
–
–
x
H_Vc-x
c-N
–
–
–
–
–
x
Magnitude of Harmonic Currents
H_Ia-x
a
x
x
x
x
x
x
H_Ib-x
b
–
–
x
x
–
x
H_Ic-x
c
–
–
x
x
–
x
THDS, Voltage
THDS_Va
a-N
x
–
–
–
x
x
THDS_Vb
b-N
–
–
–
–
–
x
THDS_Vc
c-N
–
–
–
–
–
x
THDS_Vab
a-b
x
–
–
–
x
x
THDS_Vbc
b-c
–
–
–
–
–
x
THDS_Vca
c-a
–
–
–
–
–
x
THDS, Current
THDS_Ia
a
x
x
x
x
x
x
THDS_Ib
b
–
–
x
x
–
x
THDS_Ic
c
–
–
x
x
–
x
Measured Quantities of Power Depending on the Connection Types
Table 2-15
Measured Quantities of Power Depending on the Connection Types in Power Systems
Measured
Quantity
Circuit
1-Phase
System
3-Wire
Network
(Delta)
(Balanced
(1I)
3-Wire
Network
(Delta)
Unbalanced
(3I)
3-Wire
Network
(Delta)
Unbalanced
(2I)
4-Wire
Network
(Star)
Balanced
(1I)
4-Wire
Network
(Star)
Unbalanced
(3I)
Active Power
Pa
a
x
–
–
–
–
x
Pb
b
–
–
–
–
–
x
2.5.4.2
2.5.4.3
Basic Functions
2.5 AC Measurement
SICAM, SICAM P850/P855 7KG85X, Manual
53
E50417-H1040-C482-A9, Edition 03.2022
Summary of Contents for SICAM 7KG85X
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