METREL MI 2893 User Manual

MI 2893 / MI 2892 / MI 2885 Measurement methods
188
Total active power:
321
PPPPtot 
[W],
(39)
Total nonactive power (vector):
321
NNNNtot 
[var],
(40)
Total apparent power (vector):
22
tottottot
NPSv 
[VA],
(41)
Total power factor (effective):
tot
tot
tot
Sv
P
PFv 
.
(42)
Total Arithmetic combined power measurements
Standard compliance: IEC 61557-12 Annex A and IEEE STD 1459-2010 Section 3.2.2.5
Total Arithmetic combined (fundamental + nonfundamental) active, nonactive and apparent power and
total power factor are calculated according to the following equation:
Total active power:
321
PPPPtot 
[W],
(43)
Total apparent power (arithmetic):
321
SSSSa
tot

[VA],
(44)
Total nonactive power (arithmetic):
22
tottot
tot PSaNa 
[var],
(45)
Total power factor (arithmetic):
tot
tot
tot
Sa
P
PFa 
.
(46)
Fundamental phase power measurements
Standard compliance: IEEE STD 1459-2010
All Classic fundamental phase power measurements are identical with Modern fundamental phase
power measurement. See 5.1.5 section Fundamental phase power measurements for details.
Total Vector fundamental power measurements
Standard compliance: IEC 61557-12 Annex A and IEEE STD 1459-2010 Section 3.2.2.6
Total Vector fundamental active, reactive and apparent power and total displacement vector power
factor are calculated according to the following equation:
Total fundamental active power:
321 fundfundfund
fundtot PPPP 
[W],
(47)
Total fundamental reactive power (vector):
321 fundfundfund
fundtot QQQQ 
[var],
(48)
Total fundamental apparent power (vector): 









[VA],
(49)

METREL MI 2893 Specifications

General

Brand	METREL
Model	MI 2893
Category	Measuring Instruments
Language	English