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COUNTIS E17/E18 - 545873A - SOCOMEC
4.6. Electrical readings
4 .6 .1 . Measurements
Settings vary by model.
Realtime values
Symbol
Unit of
measure
LCD display
Via
communication
Neutral voltage
V
V
●
●
Current
I
A
●
●
Power factor
PF
●
●
Apparent power
S
kVA
●
Active power
P
kW
●
●
Reactive power
Q
kvar
●
●
Frequency
f
Hz
●
●
Direction of current
●
Logged data
Total active, reactive and apparent energy
Ea, Er, Eap
kWh, kvarh,
kVAh
●
●
Total reactive, inductive and capacitive
energy
Er
kvarh
●
●
Total active and reactive energy for each
tariff (T1/T2)
Ea, Er
kWh, kvarh
●
●
Total apparent energy for each tariff (T1/T2)
Eap
kVAh
●
Total reactive, inductive and capacitive
energy for each tariff (T1/T2)
Er
kvarh
●
Active, partial energy for each tariff (T1/T2)
Ea
kWh
●
●
Partial active and reactive energy
Ea, Er
kWh, kvarh
●
●
Partial apparent energy
Eap
kVAh
●
Energy balance
∑
kWh, kvarh
●
Miscellaneous
Current tariff
T
1/2
●
●
Partial meters
BY
START/STOP
●
4 .6 .2 .
Energy balance; definition
Energy balance
Formula
kWh
(+kWh T1) – (-kWh T1) + (+kWh T2) – (-kWh T2)
kvarh
(+kvarh T1) – (-kvarh T1) + (+kvarh T2) – (-kvarh T2)
