Measurands Depending On The Connection Type - Siemens Sicam P855 7KG85 Series Device Manual

4.2.3

Measurands Depending on the Connection Type

4.2.3.1 Operational Measurands and Connection Types
Table 4-4 Operational Measurands, Connection Types in Power Systems
Measurand
Circuit
(x = 1 to 40)
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,
Vunbal b-c,
c-a
Ia a
Ib b
Ic c
I a, b, c
N
Iavg a, b, c
Iunbal a, b, c
cos (a)
a
SICAM P850/P855, 7KG85xx, Device Manual
E50417-H1040-C482-A6, Edition 10.2018
3-wire Network
1-phase
System
Balanced
(1I)
Alternating Voltage
x -
- -
- -
- x
- x
- x
- -
- -
 Vph/3
-
- x
Alternating Current
x x
- -
- -
- -
- -
- -
Active Power Factor
x -
(Delta)
Unbal- Unbal-
anced (3I) anced (2I)
- -
- -
- -
x x
x x
x x
- -
- -
 Vph/3  Vph/3
x x
x x
x x
x x
- -
x x
x x
- -
4 Measurands and Recording
4.2 Measurands
4-wire Network
(Star)
Balanced Unbal-
(1I) anced (3I)
x x
- x
- x
- x
- x
- x
- x
 Vph/3
-
-
- x
x x
- x
- x
- x
 Iph/3
-
- x
- x
45