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4.2
Measured Quantities
4.2.1
Measured Quantities Depending on the Connection Type
4.2.1.1 Operational Measured Quantities and Connection Types
Table 4-3
Operational Measured Quantities, Connection Types in Power Systems
Measured
Circuit
Quantity
Va
a-N
Vb
b-N
Vc
c-N
Vab
a-b
Vbc
b-c
Vca
c-a
V
a, b, c
N
a-N
Vavg
b-N
c-N
a-b
Vavg
b-c
c-a
a-b
Neg.seq.co
b-c
mp.V
c-a
a-b
Zero
b-c
seq.comp.V
c-a
SICAM Q100, 7KG95xx, Device Manual
E50417-H1040-C522-A4, Edition 03.2018
3-wire Network
(Delta)
1-phase
System
Alternating Voltage
x
-
-
-
-
-
-
-
-
-
x
x
-
x
x
-
x
x
-
-
-
-
-
-
Vph-ph/3
-
-
x
x
-
x
x
4 Measured Quantities and Recording
4-wire Network
PQ Values for
ph-N
-
x
x
-
-
x
-
-
x
x
-
x
x
-
x
x
-
x
-
-
x
Vph-n/3
-
-
-
-
x
-
x
x
-
x
4.2 Measured Quantities
(Star)
PQ Values for
ph-ph
x
x
-
x
x
-
x
x
-
-
x
x
-
x
x
-
x
x
x
x
-
-
-
Vph-ph/3
-
x
x
x
x
x
x
39
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