Waveform; Power Measurements - Fluke 1735 User Manual

Waveform

The angle given in the waveform function is based on the following formula.


arctan

P


Power Measurements

40
∑
P V I
k k
k 1
M
1
∑
P P
M i
M
i 1
P P P
tot 1 2
P P P
tot 1 2
40
∑
Q V I
k k
k 1
1 M
∑
Q Q
i
M
i 1

P

1

2 2
Q

1 1
cos( )
k
M to number of values
P
total active power
3
P
total active power Blondel (Aron)
3
sin( )
reactive power (200 ms average values)
k
Vk, Ik, k values of harmonics
reactive power over average time
Angle between
Q reactive power of first harmonic
1
P active power of first harmonic
1
active power (200 ms average values)
V , I , values of harmonics
k k k
active power over average interval
Pi to single 200 ms values
Power Logger
Measurement Theory
49