Measured Variables; Table 3- 4 Measured Variables - Siemens SENTRON PAC3100 Manual

3.3

Measured variables

Measured variables – overview
The table below lists all measured variables that the device records or derives from basic
variables.
Table 3- 4 Measured variables
Measured variable
Voltage ph-n
Voltage ph-ph
Current
Neutral current
Apparent power per phase
Active power per phase
import/export
Reactive power (VAR1) per
phase positive / negative
Total apparent power over all
phases
Total active power over all
phases import / export
Total reactive power VAR1
over all phases positive /
negative
Total power factor
Line frequency
Active energy
import/export/balance
Reactive energy
import/export/balance
1) Power demand of the last completed period for import and export, as well as minimum and maximum instantaneous
value. Can only be called via RS 485 interface. See the chapter "Power demand".
See also
Measured variables (Page 119)
Power demands and counters (Page 22)
SENTRON PAC3100
Manual, 07/2009, A5E02385159B-01
Abbreviation Instantan
eous
value
V / V / V
a-n b-n c-n
V / V / V
a-b b-c c-a
I / I / I
a b c
I
N
VA / VA / VA
a b c
W / W / W
a b c
VAR / VAR /
1 a 1 b
VAR
1 c
VA
P
Q
1
PF
f
E
a
E
r
Min Max
✓ ✓ ✓
✓ ✓ ✓
✓ ✓ ✓
✓ ✓ ✓
✓ ✓ ✓
✓ ✓ ✓
✓ ✓ ✓
✓ ✓ ✓
✓ ✓ ✓
✓ ✓ ✓
✓ ✓ ✓
✓ ✓ ✓
Description
3.3 Measured variables
Mean Total Unit
value value
[V]
[V]
[A]
[A]
[VA]
[W]
[VAR]
[VA]
✓ [W]
1)
✓ [VAR]
1)
[Hz]
✓ [Wh]
✓ [VARh]
21