Siemens SENTRON PAC4200, Руководство пользователя, Страница: 23 / 252

Description
3.3 Measured variables
SENTRON PAC4200
Manual, 09/2008, A5E02316180B-01
23
Designation Root-mean-
square value
Average over 3
phases
Sliding window
demand
Inst Min Max Inst Min Max DMD Min Max
Σ Unit
Voltage ph-n
V
a-n
/ V
b-n
/ V
c-n
✓ ✓ ✓ ✓
1)
✓
1)
✓
1)
✓ ✓ ✓ [V]
Voltage ph-ph
V
a-b
/ V
b-c
/ V
c-a
✓ ✓ ✓ ✓
1)
✓
1)
✓
1)
✓ ✓ ✓ [V]
Current
I
a
/ I
b
/ I
c
✓ ✓ ✓ ✓
1)
✓
1)
✓
1)
✓ ✓ ✓ [A]
Neutral current
I
n
✓ ✓ ✓ ✓ ✓ ✓ [A]
Apparent power per phase
VA
a
/ VA
b
/ VA
c
✓ ✓ ✓ ✓ ✓ ✓ [VA]
Active power per phase import/export
W
a
/ ±W
b
/ ±W
c
✓ ✓ ✓ ✓ ✓ ✓ [W]
Total reactive power (VARtot) per phase positive / negative
2)
VAR
tot a
; VAR
tot b
; VAR
tot c
✓ ✓ ✓ ✓ ✓ ✓ [VAR]
Reactive power (VAR1) per phase positive / negative
3)
VAR
1 a
; VAR
1 b
; VAR
1 c
✓ ✓ ✓ ✓ ✓ ✓ [VAR]
Reactive power (VARn) per phase positive / negative
4)
VAR
n a
; VAR
n b
; VAR
n c
✓ ✓ ✓ ✓ ✓ ✓ [VAR]
Total apparent power over all phases
VA ✓ ✓ ✓ ✓ ✓ ✓ [VA]
Total active power over all phases import / export
W ✓ ✓ ✓ ✓ ✓ ✓ [W]
Total reactive power (VARtot) over all phases positive / negative
VAR
tot
✓ ✓ ✓ ✓ ✓ ✓ [VAR]
Total reactive power VAR1 over all phases positive / negative
VAR
1
✓ ✓ ✓ ✓ ✓ ✓ [VAR]
Total reactive power VARn over all phases positive / negative
VAR
n
✓ ✓ ✓ ✓ ✓ ✓ [VAR]
Power factor of the fundamental
5)
cosφ
a
/ cosφ
b
/ cosφ
c
✓ ✓ ✓ –
Power factor
|PF
a
| / |PF
b
| / |PF
c
| ✓ ✓ ✓ ✓ ✓ ✓ –
Total power factor
PF ✓ ✓ ✓ ✓ ✓ ✓ –
Line frequency
f ✓ ✓ ✓ [Hz]
Displacement angle
φ
a
/ φ
b
/ φ
c
✓ ✓ ✓ [°]
Phase angle
X
a-a
/ X
a-b
/ X
a-c
✓ [°]