Siemens 7SJ82, Manual

Page: 1312 / 1638

Measured Values Primary Secon-
dary % Referenced to
Cos φ Active power factor (abs) (abs) 100 % corresponds to cos φ = 1
P
A
, P
B
, P
C
Phase-related active power MW – Active power of the phase
V
rated phsx
· I
rated phsx
Q
A
, Q
B
, Q
C
Phase-related reactive power Mvar – Reactive power of the phase
V
rated phsx
· I
rated phsx
S
A
, S
B
, S
C
Phase-related apparent
power MVA – Apparent power of the phase
V
rated phsx
· I
rated phsx
i
i
NOTE
With the
P, Q sign
parameter in the function block General of the respective function group, the sign of
the following measured values can be inverted:
•
Active power (total): P total
•
Active power (phase-related): P
A
, P
B
, P
C
•
Reactive power (total): Q total
•
Reactive power (phase-related): Q
A
, Q
B
and Q
C
Measured Values, Energy Values, and Supervision of the Primary System
10.3 Operational Measured Values
1312 SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017