Fluke 1745 User Manual page 55

Active power of the
fundamental per phase
per interval
Total active power of the
fundamental for three
phases
Apparent power of the
fundamental per phase.
Basic value for 200 ms.
Apparent power of the
fundamental per phase
per interval
Power factor of the
fundamental per phase
Total power factor on all
three phases
Active energy per phase
and total
Sign of PF, tan φ, cos φ:
Sign "+" : Q positive ("inductive")
Sign "-" : Q negative ("capacitive") independent of the sign of active power P
M
1
∑
Ph 1
bas
M
j
3
∑
Ph 1 Ph
total
k 1
Sh 1 V . I
bas 1 1
1 M
∑
Sh 1 Sh
M
j 1
Ph 1
total
cos
1
Sh 1
cos
1 total
Sh 1
Active power accumulated on each logging
interval
Power Quality Logger
Measurement Theory
Ph 1
bas
j
1
1
k
1
bas
j
Qh 1
Qh 1
Ph 1
total
Sh 1 Sh 1
1 2 3
Qh 1
total
Qh 1
total
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