METREL MI 2893 - Page 26

MI 2893 / MI 2892 / MI 2885 Abbreviations
26
Se
tot
Combined (fundamental and nonfundamental) total effective
apparent power. See 5.1.5 for definition.
Sv
tot
Combined (fundamental and nonfundamental) total vector
apparent power. See 5.1.6 for definition.
Sfund
Phase fundamental apparent power, including Sfundp (phase p
fundamental apparent power). See 5.1.5 for definition.
Safund
tot
Fundamental total arithmetic apparent power. See 5.1.6 for
definition.
Svfund
tot
Fundamental total vector apparent power. See 5.1.6 for definition.
S
+
tot
Positive sequence of total fundamental apparent power. See 5.1.5
for definition.
Sᴜfund
tot
Unbalanced fundamental apparent power. See 5.1.5 for definition.
Sɴ
Phase nonfundamental apparent power, including Sɴp (phase p
nonfundamental apparent power). See 5.1.5 for definition.
Seɴ
Total nonfundamental effective apparent power. See 5.1.5 for
definition.
Sн
Phase harmonic apparent power, including Sнp (phase p harmonic
apparent power). See 5.1.5 for definition.
Seн
tot
Total harmonic effective apparent power. See 5.1.5 for definition.
THD
I
Total harmonic distortion current (in % or A), including THD
Ip
(phase
p current THD) and THD
IN
(neutral current THD). See 5.1.8 for
definition
THD
U
Total harmonic distortion voltage related (in % or V) including
THD
Upg
(phase p to phase g voltage THD) and THD
Up
(phase p to
neutral voltage THD). See 5.1.11 for definition.
u
-
Negative sequence voltage ratio (%). See 5.1.11 for definition.
u
0
Zero sequence voltage ratio (%). See 5.1.11 for definition.
U, U
Rms
RMS voltage, including U
pg
(phase p to phase g voltage) and Up
(phase p to neutral voltage). See 5.1.2 for definition.
U
rmsinv
Photovoltaic inverter RMS voltage
U
acinv
Photovoltaic inverter AC voltage
U
dcinv
Photovoltaic inverter DC voltage
U
+
Positive sequence voltage component on three phase systems. See
5.1.11 for definition.
U
-
Negative sequence voltage component on three phase systems. See
5.1.11 for definition.
U
0
Zero sequence voltage component on three phase systems. See
5.1.11 for definition.
U
Dip
Minimal U
Rms(1/2)
voltage measured during dip occurrence
Ufund
Fundamental RMS voltage (Uh
1
on 1
st
harmonics), including Ufund
pg
(phase p to phase g fundamental RMS voltage) and Ufundp (phase p
to neutral fundamental RMS voltage). See 5.1.8 for definition