5
The following list shows variables which can be measured by AHM3 including
relative variables calculated from basic electrical parameters.
Measurement variable
Instant
Max
Min
Demand
sum
unit
V1/V2/V3
√
√
√
[V,kV]
V12/V23/V31
√
√
√
[V,kV]
I1/I2/I3
√
√
√
√
[A,kA]
F
√
√
√
[Hz]
P/P1/P2/P3
√
√
√
[kW,MW,GW]
Q/Q1/Q2/Q3
√
√
√
[kvar,Mvar,Gvar]
S/S1/S2/S3
√
√
√
[kVA,MVA,GVA]
PF/PF1/PF2/PF3
√
-
EP+/EP-
√
[kWh,MWh, GWh]
EQ1/EQ2/EQ3/EQ4
√
[kvarh,Mvarh
，
Gvarh]
Spare Energy
√
THDV1/THDV2/THDV3
√
[% ]
THDI1/THDI2/THDI3
√
[% ]
Harmonic RMS-U (1
～
63th)
√
[% ]
Harmonic RMS-I (1
～
63th)
√
[% ]
Unbalance-U
√
[% ]
Unbalance-I
√
[% ]
Hour meter
h:min
Measurement variable display example
