Fluke 1743 User Manual page 58

1744/1743
Users Manual
Active power of logging
interval per phase
Total active power on all
three phases
Absolute value of the
active power per interval
per phase
Sum of the absolute
values of the active power
on all three phases
Apparent power based on
RMS values of voltage
and current. Basic values
on 200 ms per phase
Apparent power per
logging interval per phase
Total apparent power on
three phases
42
M
1
∑
P P
bas
M
j 1
P to 200 ms value
bas j
M: Number of 200 ms intervals per logging interval
3
∑
P P
total k
k 1
P : Active power of the phase
k
k: Phase (k = 1, 2, 3)
M
1
∑
P
betr
M
j 1
M
1
∑
P
betr
total
M
j
S V . I
bas bas bas
M
1
∑
S S
bas
M
j 1
S : 200 ms value
bas j
M: Number of 200 ms intervals per logging interval
3
∑
S S
total k
K 1
k: Phase (k = 1, 2, 3)
j
P
bas
j
P P
bas bas
1 2
1
j
P
bas
3