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COUNTIS E21/E22 - 545875B - SOCOMEC
4.6. Electrical values measured
4.6.1. Measurements
Settings vary by model.
Realtime values
Symbol
Measurement Unit
LCD display
Neutral voltage
∑V
V
Phase to phase voltage
∑U
Current
∑I
A
Power factor
∑PF
Apparent power
∑S, S1, S2, S3
kVA
Active power
∑P, P1, P2, P3
kW
Reactive power
∑Q, Q1, Q2, Q3
kVAr
Frequency
f
Hz
Phase sequence
CW / CCW
Direction of current
Logged data
Total active and reactive energy
Ea, Er
(∑ & par phase)
kWh, kvarh
Total apparent energy
Eap (∑)
kVAh
Total reactive, inductive and capacitive energy
Er (∑)
kvarh
Total active, reactive and apparent energy for each tariff
(T1/T2)
Ea, Er (∑)
kWh, kvarh
Total reactive, inductive and capacitive energy for each
tariff (T1/T2)
Er (∑)
kvarh
Active, partial energy for each tariff (T1/T2)
Ea (∑)
kWh
Active, reactive and apparent partial energy
Ea, Er, Eap (∑)
kWh, kvarh, kVAh
Energy balance
∑
kWh, kvarh
Miscellaneous
Current tariff
T
1/2
Partial meters
BY
START/STOP
State of the pulse output
Active /
Inact active
NOTE: ∑ is the sum of the meter readings for each phase, divided by 3.
NOTE: If you have a 3-wire connection the following voltage readings are not available; phase-neutral, neutral current, phase
power, power factor for each phase and power for each phase.
4.6.2.
Energy balance; definition
Formula
kWh
(+kWh T1) – (-kWh T1) + (+kWh T2) – (-kWh T2)
kvarh
(+kvarh T1) – (-kvarh T1) + (+kvarh T2) – (-kvarh T2)