Product overview
EL34xx 25Version: 1.5
Fig.16: u, i, p curves with phase shift angle (t) (t) (t)
In this context, further parameters of the mains system and its consumers are significant:
• apparent power S
• reactive power Q
• power factor cos φ
The EL3443 determines the following values:
• RMS voltage U and RMS current I
• Active power P and active energy E
• Apparent power S and apparent energy
• Reactive power Q and reactive energy
• Power factor and cos(φ)
• Distortion factors for current THD
I
and voltage THD
U
• Calculated RMS neutral conductor current I
N
• Voltage imbalance
• Power quality factor (details see below)
• In "DC synchronous" mode, the distributed clock time of the voltage zero crossing is also available.
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