METREL MI 2893 User Manual

MI 2893 / MI 2892 / MI 2885 Energy
53
3.7.3 Efficiency
EFFICIENCY view is available only during active recording (see section 3.14 for instructions how to start
GENERAL RECORDER).
Figure 38: Energy efficiency screen
Table 21: Instrument screen symbols and abbreviations
P avg+
P+ avg+
P avg-
P+ avg-
Consumed phase fundamental active power (Pfund
1
+
, Pfund
2
+
, Pfund
3
+
)
Positive sequence of total fundamental consumed active power (P
+
tot
+
)
Generated phase fundamental active power (Pfund
1
-
, Pfund
2
-
, Pfund
3
-
)
Positive sequence of total fundamental generated active power (P
+
tot
-
) Shown active
power is averaged over chosen time interval (key: F2)
 TOT – shows total average (for complete record) active power
 LAST – shows average active power in the last interval
 MAX - shows average active power in interval where Ep was maximal.
Qi avg+
Qi+ avg+
Qi avg-
Qi+ avg-
Consumed phase fundamental inductive reactive power (Qfund
ind1
+
, Qfund
ind2
+
,
Qfund
ind3
+
)
Positive sequence of total inductive fundamental consumed reactive power (Q
+
tot
+
)
Generated phase fundamental inductive reactive power (Qfund
ind1
-
, Qfund
ind2
-
, Qfund
ind3
-
)
Positive sequence of total inductive fundamental generated reactive power (Q
+
tot
-
)
Shown fundamental inductive reactive power is averaged over chosen time interval (key:
F2)
 TOT – shows total average (for complete record) fundamental inductive reactive
power
 LAST – shows average fundamental inductive reactive power in the last interval
 MAX – shows average fundamental inductive reactive power in interval where
Ep was maximal.
Qc avg+
Qc+ avg+
Qc avg-
Qc+ avg-
Consumed phase fundamental capacitive reactive power (Qfund
cap1
+
, Qfund
cap2
+
,
Qfund
cap3
+
)
Positive sequence of total capacitive fundamental consumed reactive power (Q
+
tot
+
)
Generated phase fundamental capacitive reactive power (Qfund
cap1
-
, Qfund
cap2
-
,
Qfund
cap3
-
)
Positive sequence of total capacitive fundamental generated reactive power (Q
+
tot
+
)
Shown fundamental capacitive reactive power is averaged over chosen time interval
(key: F2)
 TOT – shows total average (for complete record) fundamental capacitive reactive
power
 LAST – shows average fundamental capacitive reactive power in the last interval
 MAX – shows average fundamental capacitive reactive power in interval where
Ep was maximal.

METREL MI 2893 Specifications

General

Brand	METREL
Model	MI 2893
Category	Measuring Instruments
Language	English