Circutor QNA500 series Manuale Utente Pagina 38

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POWER QUALITY ANALYZER QNA500 8IO
QNA500 8IO Instruction manual
38 / 111
8.13.- RECORDING FILES
QNA500 power quality analyzer records different files, in accordance with the type of data (voltage,
events, energy, etc).
The power quality analyzer records the following files:
8.13.1.- .STD FILE
The Standard File (STD) is used to store all parameters that are stored periodically.
The records will be stored with the following electrical parameters (depending on the selection),
respecting the recording period programmed with the analyzer:
Registry variables
Unit
L1
L2
L3
III
Phase-phase and phase-neutral voltage (average,
maximum, minimum)
V
X
X
X
X
Current (average, maximum, minimum)
A
X
X
X
X
Neutral current (average, maximum, minimum)
A
X
Earth-Leakage current (average, maximum, minimum)
A
X
Neutral Ground voltage (average, maximum, minimum)
V
X
Frequency (average, maximum, minimum)
Hz
X
X
X
Active power (average, maximum, minimum)
kW
X
X
X
X
Inductive reactive power (average, maximum, minimum)
kvar
X
X
X
X
Capacitive reactive power (average, maximum, minimum)
kvar
X
X
X
X
Apparent power (average, maximum, minimum)
KVA
X
X
X
X
Maximum demand
kW
X
X
X
Power factor (average, maximum, minimum)
X
X
X
X
Crest factor (voltage and current)
V or A
X
X
X
K Factor
X
X
X
Active energy
kWh
X
X
X
X
Inductive reactive energy
kvarh
X
X
X
X
Capacitive active energy
kvarh
X
X
X
X
Voltage THD (average, maximum, minimum)
%
X
X
X
X
Current THD (average, maximum, minimum))
%
X
X
X
X
Voltage harmonics (up to 50th order)
V Harm
X
X
X
X
Current harmonics (up to 50th order)
A Harm
X
X
X
X
Voltage interharmonics (up to 50th order)
V Harm
X
X
X
X
Current interharmonics (up to 50th order)
A Harm
X
X
X
X
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