Measured Quantities Of Power Depending On The Connection Types - Siemens SICAM Q100 7KG95 Series Manual

2.1.3.3

Measured Quantities of Power Depending on the Connection Types

Table 2-6
Measured
Circuit
Quantity
Active Power
Pa a
Pb b
Pc c
P a+b+c
Reactive Power
Qa a
Qb b
Qc c
Q a+b+c
Apparent Power
Sa a
Sb b
Sc c
S a+b+c
Reactive Power (Fundamental)
Q1a a
Q1b b
Q1c c
Q1 a+b+c
Active Power of Harmonics
H-Pa-x a
H-Pb-x b
H-Pc-x c
SumPa a
SumPb b
SumPc c
Reactive Power of Harmonics
H-Qa-x a
H-Qb-x b
H-Qc-x c
SumQa a
SumQb b
SumQc c
Apparent Power of Harmonics
H-Sa-x a
H-Sb-x b
SICAM, SICAM Q100 7KG95xx, Manual
E50417-H1040-C522-A8, Edition 09.2020
Measured Quantities of Power Depending on the Connection Types in Power Systems
3-Wire
Network
1-Phase
(Delta)
System
(Balanced
(1I)
x –
– –
– –
– x
x –
– –
– –
– x
x –
– –
– –
– x
x –
– –
– –
– –
x –
– –
– –
Σ H-Pa-x –
– –
– –
x –
– –
– –
Σ H-Qa-x –
– –
– –
x –
– –
2.1 General Information on Measuring and Recording
3-Wire 3-Wire 4-Wire
Network Network Network
(Delta) (Delta) (Star)
Unbal- Unbal- Balanced
anced (3I) anced (2I) (1I)
– –
– –
– –
x x
– –
– –
– –
x x
– –
– –
– –
x x
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
– –
Device Functions
4-Wire 4-Wire
Network Network
(Star) (Star)
Unbal- Unbal-
anced (3I) anced (3I)
PQ Values PQ Values
for Ph-N for Ph-Ph
x x x
– x x
– x x
x ∑ P
ph
x x x
– x x
– x x
x ∑ Q
ph
x x x
– x x
– x x
x ∑ S
ph
x x –
– x –
– x –
x ∑ Q1
ph
x x –
– x –
– x –
– Σ H-Pa-x –
– Σ H-Pb-x –
– Σ H-Pc-x –
x x –
– x –
– x –
– Σ H-Qa-x –
– Σ H-Qb-x –
– Σ H-Qc-x –
x x –
– x –
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