
POWER QUALITY ANALYZER QNA500 8IO
QNA500 8IO Instruction manual
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3.3.- REGISTRY VARIABLES
The power quality analyzer can measure:
Phase-phase and phase-neutral voltage (average,
maximum, minimum)
Current (average, maximum, minimum)
Neutral current (average, maximum, minimum)
Earth-Leakage current (average, maximum, minimum)
Neutral-Ground voltage (average, maximum, minimum)
Frequency (average, maximum, minimum)
Active power (average, maximum, minimum)
Inductive reactive power (average, maximum, minimum)
Capacitive reactive power (average, maximum, minimum)
Apparent power (average, maximum, minimum)
Power factor (average, maximum, minimum)
Crest factor (voltage and current)
Inductive reactive energy
Voltage THD (average, maximum, minimum)
Current THD (average, maximum, minimum))
Voltage harmonics (up to 50th order)
Current harmonics (up to 50th order)
Voltage interharmonics (up to 50th order)
Current interharmonics (up to 50th order)
d
i
h
i
Current Unbalance (Id/Ii)
Current Asymmetry (Ih/Ii)
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