User Manual

Reference information
Table 15: Phase measurements (cont.)
Abbreviation Description Units Formula
1
A
tif
Current Telephone
Influence Factor
Z Impedance
Ohms (Ω)
R Resistance
Ohms (Ω)
X Reactance
Ohms (Ω)
V
f
Fundamental Voltage
Volts (V)
A
f
Fundamental Current Amps (A)
W
f
Fundamental Power
Watts (W)
VA
f
Fundamental Apparent
Power
Volt-Amps (VA)
VA
r
Fundamental Reactive
Power
Volt-Amps Reactive (VAr)
PF
f
Fundamental P ower
Factor
CVA
rs
Correction VArs VA (VArs)
V
hn
Voltage harmonic n
Volts (V)
A
hn
Current harmonic n Amps (A)
W
hn
Watts harmonic n
Watts (W)
1
r = real part of V or I
q = imaginary or quadrature part of V or I
V and I are compl
ex numbers in the form r+jq
140 PA3000 Power Analyzer User Manual