METREL MI 2893 User Manual

MI 2893 / MI 2892 / MI 2885 Abbreviations
20
DeH
Total effective harmonics distortion power. See 5.1.5 section: Total
nonfundamental power measurements for definition.
Dᴠ
Phase voltage distortion power, including Dᴠp (phase p voltage
distortion power). See 5.1.5 section: Modern Power measurement
Standard compliance: IEEE 1459-2010 for definition.
Deᴠtot
Total effective voltage distortion power. See 5.1.5 section: Modern
Power measurement
Standard compliance: IEEE 1459-2010 for definition.
Ep

Recorded phase combined (fundamental and nonfundamental)
active energy, including Ep
p
+/-
(phase p active energy). Minus sign
indicates generated energy and plus sign indicates consumed
energy. See 5.1.6 for definition.
Ep
tot

Recorded total combined (fundamental and nonfundamental) active
energy. Minus sign indicates generated and plus sign indicates
consumed energy. See 5.1.6 for definition.
Eq

Recorded phase fundamental reactive energy, including Eq
p
+/-
(phase p reactive energy). Minus sign indicates generated and plus
sign indicates consumed energy. See 5.1.6 for definition.
Eq
tot

Recorded total fundamental reactive energy. Minus sign indicates
generated and plus sign indicates consumed energy. See 5.1.6 for
definition.
Eff
inv
Photovoltaic inverter efficiency
f, freq
Frequency, including freq
U12
(voltage frequency on U
12
), freq
U1
(voltage frequency on U
1
and freq
I1
(current frequency on I
1
). See
5.1.4 for definition.
i
-
Negative sequence current ratio (%). See 5.1.11 for definition.
i
0
Zero sequence current ratio (%). See 5.1.11 for definition.
I
+
Positive sequence current component on three phase systems. See
5.1.11 for definition.
I
-
Negative sequence current component on three phase systems. See
5.1.11 for definition.
I
0
Zero sequence current components on three phase systems. See
5.1.11 for definition.
I
Rms(1/2)
RMS current measured over 1 cycle, commencing at a fundamental
zero crossing on an associated voltage channel, and refreshed each
half-cycle, including Ip
Rms(1/2)
(phase p current), I
NRms(1/2)
(neutral RMS
current)
Ifund
Fundamental RMS current Ih
1
(on 1
st
harmonics), including Ifundp
(phase p fundamental RMS current) and IfundN (neutral RMS
fundamental current). See 5.1.8 for definition
Ih
n
n
th
current RMS harmonic component including I
p
h
n
(phase p; n
th
RMS current harmonic component) and I
N
h
n
(neutral n
th
RMS current
harmonic component). See 5.1.8 for definition

METREL MI 2893 Specifications

General

Brand	METREL
Model	MI 2893
Category	Measuring Instruments
Language	English