Siemens SICAM Q100 - Measured Quantities

4 Measured Quantities and Recording
4.2 Measured Quantities
39SICAM Q100, 7KG95xx, Device Manual
E50417-H1040-C522-A4, Edition 03.2018
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
Quantity
Circuit
1-phase
System
3-wire Network
(Delta)
4-wire Network
(Star)
Balanced (1I)
Unbalanced (3I) Unbalanced (2I)
Balanced
(1I)
PQ Values for
ph-N
PQ Values for
ph-ph
Calculate Voltage RMS
values PN & PP = Yes
Calculate Voltage RMS
values PN & PP = No
Calculate Voltage RMS
values PN & PP = Yes
Calculate Voltage RMS
values PN & PP = No
Alternating Voltage
Va a-N x - - - x x x x -
Vb b-N- ----xxx-
Vc c-N- ----xxx-
Vab a-b- xxx-x-xx
Vbc b-c- xxx-x-xx
Vca c-a- xxx-x-xx
V
N
a, b, c- ----xxx-
Vavg
a-N
b-N
c-N
----- Vph-n/3 - -
Vavg
a-b
b-c
c-a
-  Vph-ph/3 - - -  Vph-ph/3
Neg.seq.co
mp.V
a-b
b-c
c-a
- xxx-xxxx
Zero
seq.comp.V
a-b
b-c
c-a
- xxx-xxxx