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4 Measurands and Characteristics
4.1 Measurands
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SICAM MMU 7KG9663, Device Manual
E50417-H1040-C514-A3, Edition 01.2016
4.1.3.2
Measurands of Power
Table 4-2
Measurands of Power in Power Systems
Measurand
Circuit
1-phase
System
3-wire Network
(delta)
4-wire Network
(star)
Balanced
(1I)
Unbalanced
(3I)
Unbalanced
(2I)
Balanced
(1I)
Unbalanced
(3I)
Active Power
Pa
a
x
x
Pb
b
x
Pc
c
x
P
a, b, c
x
x
x
x
x
Reactive Power
Qa
a
x
x
Qb
b
x
Qc
c
x
Q
a, b, c
x
x
x
x
x
Apparent Power
Sa
a
x
x
Sb
b
x
Sc
c
x
S
a, b, c
x
x
x
x
x
SICAM-MMU_7KG9663_US.book Page 32 Monday, December 7, 2015 12:22 PM