Measured Quantities Of Energy Depending On Connection Types - Siemens SICAM 7KG85X Manual

Basic Functions
2.5 AC Measurement
Measured
Circuit
Quantity
Pc c
P a+b+c
Reactive Power
Qa a
Qb b
Qc c
Q a+b+c
Apparent Power
Sa a
Sb b
Sc c
S a+b+c
Reactive Power (Fundamental)
Q1a a
Q1b b
Q1c c
Q1 a+b+c
2.5.4.4

Measured Quantities of Energy Depending on Connection Types

Table 2-16
Measured
Circuit
Quantity
Active Energy/Export
WPa_exp a
WPb_exp b
WPc_exp c
WP_exp a+b+c
Active Energy/Import
WPa_imp a
WPb_imp b
WPc_imp c
WP_imp a+b+c
Reactive Energy/Inductive
WQa_ ind a
WQb_ ind b
WQc_ ind c
WQ_ ind a+b+c
Reactive Energy/Capacitive
WQa_ cap a
54
3-Wire
Network
1-Phase
(Delta)
System
(Balanced
(1I)
–
–
x
–
–
–
x
–
–
–
x
–
–
–
Measured Quantities of Energy Depending on Connection Types in Power Systems (Intervals
(Cycle): 10/12 Cycles)
3-Wire
Network
1-Phase
(Delta)
System
(Balanced
x
–
–
–
x
–
–
–
x
–
–
–
x
3-Wire 3-Wire
Network Network
(Delta) (Delta)
Unbalanced Unbalanced
(3I) (2I)
– –
x x
– –
– –
– –
x x
– –
– –
– –
x x
– –
– –
– –
– –
3-Wire
Network Network
(Delta)
Unbalanced Unbalanced
(1I) (3I)
– –
– –
– –
x x
– –
– –
– –
x x
– –
– –
– –
x x
– –
4-Wire 4-Wire
Network Network
(Star) (Star)
Balanced Unbalanced
(1I) (3I)
– –
x x
– –
– –
– –
x x
– –
– –
– –
x x
– x
– –
– –
– x
3-Wire 4-Wire 4-Wire
Network Network
(Delta) (Star) (Star)
Balanced Unbalanced
(2I) (1I) (3I)
– –
– –
– –
x x
– –
– –
– –
x x
– –
– –
– –
x x
– –
SICAM, SICAM P850/P855 7KG85X, Manual
E50417-H1040-C482-A9, Edition 03.2022
x
∑ P
ph
x
x
x
∑ Q
ph
x
x
x
∑ S
ph
x
x
x
∑ Q1
ph
x
x
x
x
x
x
x
x
x
x
x
x
x