AEMC PowerPad 8436 User Manual page 36

3-phase power quality analyzer
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Recordable values are:
Unit
Definition
Urms
RMS phase-to-phase voltage.
Udc
RMS phase-to-neutral voltage.
Upk+
Maximum peak value of phase-to-phase voltage.
Upk-
Minimum peak value of phase-to-phase voltage.
Ucf
Crest (peak) factor of phase-to-phase voltage.
Uthdf
Harmonic distortion of the phase-to-phase voltage with the RMS value of the fundamental as reference.
Uthdr
Harmonic distortion of the phase-to-phase voltage with the total RMS value without DC as reference.
Vrms
RMS phase-to-neutral voltage.
Vdc
DC phase-to-neutral voltage.
Vpk+
Maximum peak value of the phase-to-neutral voltage.
Vpk-
Minimum peak value of the phase-to-neutral voltage.
Vcf
Crest factor of phase-to-neutral voltage.
Vthdf
Harmonic distortion of the phase-to-neutral voltage with the RMS value of the fundamental as reference.
Vthdr
Harmonic distortion of the phase-to-neutral voltage with the total RMS value without DC as reference.
Arms
RMS current.
Adc
DC current.
Apk+
Maximum peak value of the current.
Apk-
Minimum peak value of the current.
Acf
Crest factor of current.
Athdf
Harmonic distortion of the current with the RMS value of the fundamental as reference.
Athdr
Harmonic distortion of the current with the total RMS value without DC as reference.
P
Active power.
Pdc
DC power.
Q
Reactive power (fundamental).
1
N
Non-active power.
D
Distortion power.
S
Apparent power.
PF
Power factor.
Cosine of the phase shift of the voltage with respect to the current (displacement factor or fundamental power
cos Φ
factor – DPF).
Tangent of the phase shift of the voltage with respect to the current.
tan Φ
PST
Short-term flicker.
PLT
Long-term flicker.
FHL
Harmonic loss factor
FK
K factor.
Vunb
Negative-sequence phase-to-ground voltage unbalance factor (set-up with neutral).
or Uunb
Negative-sequence phase-to-phase voltage unbalance factor (set-up without neutral).
Aunb
Negative-sequence current unbalance factor.
Hz
Network frequency.
U-h
Harmonics in phase-to-phase voltage.
V-h
Harmonics in phase-to-neutral voltage
A-h
Harmonics in current.
S-h
Harmonics in power.
36

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