METREL MI 2885, Руководство пользователя

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MI 2893 / MI 2892 / MI 2885 Power
45
Figure 32: Detailed power measurements at
phase L1
Figure 33: Detailed total power measurements
Description of symbols and abbreviations used in POWER (METER) screens are shown in table below.
Table 13: Instrument screen symbols and abbreviations (see 5.1.5 for details) – instantaneous values
P
Depending on the screen position:
In Combined column: Combined (fundamental and nonfundamental) active
power (

P
1
,

P
2
,

P
3
,

P
tot
,)
In Fundamental column: Fundamental active phase power (

Pfund
1
,

Pfund
2
,

Pfund
3
)
N
Combined (fundamental and nonfundamental) nonactive phase power
(

N
1
,

N
2
,

N
3
) and nonactive total vector (

N
tot
)
Na
Combined (fundamental and nonfundamental) nonactive arithmetic total
power (

Na
tot
)
Q Fundamental reactive phase power (

Qfund
1
,

Qfund
2
,

Qfund
3
)
Qa Fundamental total arithmetic reactive power (Qafund
tot
)
Qv Fundamental total vector reactive power (

Qvfund
tot
)
S
Depending on the screen position:
In Combined column: Combined (fundamental and nonfundamental)
apparent phase power (S
1
, S
2
, S
3
)
In Fundamental column: Fundamental apparent phase power (Sfund
1
,
Sfund
2
, Sfund
3
)
Sa
Depending on the screen position:
In Combined column: Combined (fundamental and nonfundamental) total
arithmetic apparent power (Sa
tot
)
In Fundamental column: Fundamental total arithmetic apparent power
(Safund
tot
)
Sv
Depending on the screen position:
In Combined column: Combined (fundamental and nonfundamental) total
vector apparent power (Sv
tot
)
In Fundamental column: Fundamental total vector apparent power
(Svfund
tot
)
P+
Positive sequence of total active fundamental power (

P
+
tot
)