Fluke 1735 User Manual page 66

1735
Users Manual
P P P
tot 1 2
P P P
tot 1 3
2
Q S
tot tot
2 2
V V V
12 23
S
tot
I I I
( )
2 1 3
50
∑
Q V I
k k
k 1
1 M
∑
Q Q
i
M
i 1
S V I
P
PF
S
2 2
D S P
P
1
cos
2
P
1
The distortion power is > zero if the waveform of current is different
from the voltage waveform.
56
Pi to single 200 ms values
M to number of values
P
total active power
3
Total Active Power-Blondel (Aron)
2
P
Total Reactive Power-Blondel (Aron)
tot
2 2 2 2
I I I
31 1 2 3
3
sin( )
reactive power (200 ms average values)
k
Vk, Ik, k values of harmonics
reactive power over average time
apparent power
power factor
2
Q
distortion power
cosine cos
2
Q
1
Total Apparent Power
Blondel (Aron) circuit
Note