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559E1200.indd
version: 1.0
Micrologic 5 / 6 integrated Power Meter functions
Type
Display
A E Micrologic
LCD
FDM121
display
Display of protection settings
3LFN XSV $ DQG GHOD\V
All settings can be displayed
Ir, tr, Isd, tsd, Ii, Ig, tg
b b
b
Measurements
Instantaneous rms measurements
Currents (A)
3KDVHV DQG QHXWUDO
, , , ,1
b b
b
b
Average of phases
,DYJ ,
,
,
b b
-
b
+LJKHVW FXUUHQW RI WKH SKDVHV DQG QHXWUDO ,PD[ RI , , , ,1
b b
b
b
Ground fault (Micrologic 6)
% Ig (pick-up setting)
b b
b
b
Current unbalance between phases
% Iavg
-
b
-
b
Voltages (V)
3KDVH WR SKDVH
8 8 8
-
b
b
b
3KDVH WR QHXWUDO
9 1 9 1 9 1
-
b
b
b
Average of phase-to-phase voltages
8DYJ 8 8 8
-
b
-
b
Average of phase-to-neutral voltages
9DYJ 9 1 9 1 9 1
-
b
-
b
3K 3K DQG 3K 1 YROWDJH XQEDODQFH
% Uavg and % Vavg
-
b
-
b
3KDVH VHTXHQFH
-
b
b
b
)UHTXHQF\ +]
3RZHU V\VWHP
f
-
b
b
b
3RZHU
Active (kW)
3 WRWDO DQG SHU SKDVH
-
b
b
b
Reactive (kVAR)
Q
, total and per phase
-
b
-
b
Apparent (kVA)
S, total and per phase
-
b
-
b
3RZHU IDFWRU DQG FRV
(fundamental)
3) DQG FRV
K
, total and per phase
-
b
-
b
Maximeters / minimeters
Associated with instantaneous rms
measurements
Reset via Micrologic or FDM121 display unit
b b
-
b
Energy metering
Energy
Active (kW), reactive (kVARh), apparent
(kVAh)
Total since last reset
-
b
b
b
Absolute or signed mode
(1)
Demand and maximum demand values
Demand current (A)
3KDVHV DQG QHXWUDO
3UHVHQW YDOXH RQ WKH VHOHFWHG ZLQGRZ
-
b
-
b
0D[LPXP GHPDQG VLQFH ODVW UHVHW
-
b
-
b
Demand power
Active (kWh), reactive (kVAR),
apparent (kVA)
3UHVHQW YDOXH RQ WKH VHOHFWHG ZLQGRZ
-
b
-
b
0D[LPXP GHPDQG VLQFH ODVW UHVHW
-
b
-
b
Calculation window
6OLGLQJ ¿[HG RU FRP V\QFKURQLVHG
Ad
j
ustable from 5 to 60 minutes in 1 minute
steps
-
b
-
(2)
Power quality
Total harmonic
distortion (%)
Of voltage with respect to rms value
7+'8 7+'9 RI WKH 3K 3K DQG 3K 1 YROWDJH
-
b
-
b
Of current with respect to rms value
THDI of the phase current
-
b
-
b
(1)
Absolute mode: E absolute = E out + E in; Signed mode: E signed = E out - E in.
(2)
Available via the communication system only.
Additional technical characteristics
Measurement accuracy
Accuracies are those of the entire measurement system, including the sensors:
Current: Class 1 as per IEC 61557-12
b
Voltage: 0.5 %
b
Power and energy: Class 2 as per IEC 61557-12
b
Frequency: 0.1 %.
b
3%
3%
3%
A-21