Siemens SENTRON PAC3200, Manual, Page: 24 / 182

Description
3.3 Measured variables
SENTRON PAC3200
24
Manual, 02/2008, A5E01168664B-04
3.3 Measured variables
Overview
The table below lists all measured variables that the device records or derives from basic
variables.
Table 3-3 Measured variables
Root-mean-square
values
Designation Instantane
ous value
Min. Max. Mean
value
over all
phases
Mean value
over demand
period
Total value Unit
Phase-to-neutral
voltage
V
a-n
/ V
b-n
/
V
c-n
✓ ✓ ✓ ✓
1)
[V, kV]
Phase-to-phase
voltage
V
a-b
/ V
b-c
/
V
c-a
✓ ✓ ✓ ✓
1)
[V, kV]
Current I
a
/ I
b
/ I
c
✓ ✓ ✓ ✓
1)
[A, kA]
Apparent power per
phase
VA
a
/ VA
b
/
VA
c
✓ ✓ ✓ [VA, kVA, MVA,
GVA]
Active power per
phase import/export
±W
a
/ ±W
b
/
±W
c
✓ ✓ ✓ [W, kW, MW,
GW]
Reactive power per
phase
positive/negative
±VAR
a
/
±VAR
b
/
VAR
c
✓ ✓ ✓ [var, kvar, Mvar,
Gvar]
Total apparent
power
VA
total
✓ ✓ ✓ [VA, kVA, MVA,
GVA]
Total active power
import/export
±W
total
✓ ✓ ✓ ✓
2)
[W, kW, MW,
GW]
Total reactive
power
positive/negative
±VAR
total
✓ ✓ ✓ ✓
2)
[var, kvar, Mvar,
Gvar]
Power factor |PF
a
| / |PF
b
|
/ |PF
c
|
✓ ✓ ✓ [%]
Total power factor PF
total
✓ ✓ ✓ ✓ [%]
Line frequency f ✓ ✓ ✓ [Hz]
THD voltage THD-V
a
/
THD-V
b
/
THD-V
c
✓ ✓ [%]
THD current THD-I
a
/
THD-I
b
/
THD-I
c
✓ ✓ [%]
Active energy
import
3)
/ export
±W
a...c
✓ [Wh, kWh, MWh,
GWh]
Reactive energy
positive
4)
/ negative
±WVAR
a..c
✓ [varh, kvarh,
Mvarh, Gvarh]
Apparent energy ±Ws
L1...3
✓ [VAh, kVAh,
MVAh, GVAh]
Universal counter
5)