Tabla de contenido
Description
Total Current Even
Harmonic Distortion
Normalized to the
fundamental
Telephone Influence
Factor, normalized to
Fundamental
Telephone Influence
Factor, normalized to
RMS of input
GMC-I Messtechnik GmbH
Abbreviation
Wiring Configuration
HIehd-a
All
HIehd-b
HIehd-c
HIehd-d
HVtiffund-a
All
HVtiffund-b
HVtiffund-c
HVtiffund-d
HVtifrms-a
All
HVtifrms-b
HVtifrms-c
HVtifrms-d
MAVOWATT 230, 240, 270 & 270-400
Formula
=
*100
Per 61000-4-7
TIF =
where:
X fund = Total RMS of
fund
X f = single frequency
RMS at frequency f
W f = Single frequency
weighing factor at fre-
quency f
Per IEEE 519/D7
1990 covers weighing
factors up to 5 KHz
TIF =
where:
X = RMS of channel
X f = single frequency
RMS at frequency f W f
= single frequency
weighing factor at
frequency f
Per IEEE 519/D7
1990 covers weighing
factors up to 5 KHz
Units
Precision
%
+/- 5 %
None
+/- 1 %
None
+/- 1 %
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Tabla de contenido
