Gossen MetraWatt MAVOWATT Serie Guía De Uso página 50

MAVOWATT 230, 240, 270 & 270-400
Description
VA Arithmetic
Fundamental Total
True Power Factor
Displacement
Power Factor
Phase of Volts to
Amps of
fundamental on
individual cycle
Derived from DFT
TPF worst case of
A,B,C
Total Vector
Power Factor
Total Arithmetic
Power Factor
DPF average
DPF worst case of
A,B,C
50
Abbreviation Wiring Configuration
VAfa-tot Wye and Neutral based
measurements
TPF-a Wye, uses measured
values
TPF-b
Not meaningful for
TPF-c Delta
TPF-d
DPF-a Wye, uses measured
values
DPF-b
Not meaningful for
DPF-c
Delta
DPF-d
VIdeg-a Not meaningful for
Delta
VIdeg-b
VIdeg-c
VIdeg-d
TPFworst Not meaningful for
Delta
TPFv-tot All
TPFa-tot All
DPFavg All
DPFworst All
Formula
DFT derived
fundamental of Volts
and Amps
where g= phase
where n=1 for 1 st
harmonic
Max of
1- |TPF a |, 1- |TPF b |,
1- |TPF c |
DPF of channel with
largest deviation from
1.0
GMC-I Messtechnik GmbH
Units Precision
VA 0.2 % of
Reading
+/- 0.05 %
of FS
None 1% of
Reading
None 1% of
Reading
Degree +/- 1°
None +/- 1%
None +/- 1%
None +/- 1%
None +/- 1%
None +/- 1%