Power Quality Logger
Technical Specifications
55
Logging Function A – “All” parameters
Logging Values
All parameters for voltage quality per EN 50160:
Voltage L1 or A, L2 or B, L3 or C: phase-phase or phase-neutral:
• Voltage (mean, max, min values)
• Voltage harmonics 1
st
to 50
th
order
• THDV (harmonic contents of voltage)
• Interharmonics 5 to 2500 Hz (in steps of 0.5 Hz)
• Flicker Pst,Plt
• Unbalance
• Signaling voltages
• Frequency
• Voltage events (dips, swells, interruptions)
Current L1 or A, L2 or B, L3 or C, and N:
• Current (mean, max values)
• Harmonics of phase and neutral currents up to 50
th
order
• Crest factor and peak values of the currents
Power:
• Active power P (mean, min, and max values)
• Absolute values active power |P| (mean, min, and max values)
• Distorting power D (mean, min, and max values)
• Apparent power S (mean, min, and max values)
• Power Factor PF, tangent
• Energy per averaging interval