Iskra PNA 784, Быстрое руководство

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Basic description and operation of Analyzer
Portable Network Analyzer PNA784 - Quick Guide 9
Meas. type Measurement
3-phase
4-wire
3-phase
3-wire 1-phase
comments
Phase Harmonic analysis
measurements I
1-3_harmonic_1-63_%
  
% of RMS or % of base
I
1-3_harmonic_1-63_ABS
  
I
1-3_harmonic_1-63_ ϕ
  
I
1-3_inter-harmonic_%
  
Monitoring up to 10 different fixed frequencies
I
1-3_inter-harmonic_ABS
  
I
1-3_inter-harmonic_1-63_%
  
% of RMS or % of base
I
1-3_inter-harmonic_1-63_ABS
  
I
1-3_signaling_%
 
Monitoring of signaling (ripple) current of set
frequency. % of RMS or % of base
I
1-3_signaling_ABS
 
Flickers
Pi
1-3
 
Instantaneous flicker sensation measured with
150 samples / sec (original sampling is 1200
samples / sec)
Pst
1-3
 
10 min statistical evaluation (128 classes of CPF)
Plt
1-3
 
Derived from 12 Pst acc. to EN 61000-4-15
Miscellaneous
K-factor
1-3
  
Current Crest factor I
1-3
  
Voltage Crest factor U
1-3
  
Phase to Voltage
phase Upp
1-3_RMS
 
measurements Upp
AVG_RMS
 
THD-Upp
1-3
 
ϕ
x-y_RMS

Phase-to-phase angle
Upp
1-3_harmonic_1-63_%
  
% of RMS or % of base
Upp
1-3_harmonic_1-63_ABS
  
Upp
1-3_harmonic_1-63_ ϕ
  
Upp
1-3_interharmonic_1-63_%
  
% of RMS or % of base
Upp
1-3_interharmonic_1-63_ABS
  
U
underdeviation
  
U
under.
and U
over.
are calculated for phase or phase-
to-phase voltages regarding connection mode.
U
overdeviation
  
Voltage Crest factor
Upp
1-3
  
Flickers
Pi_pp
1-3

Phase-to-phase flickers. Pst_pp
1-3

Plt_pp
1-3

Metering Energy
Counter E
1-8
  
Each counter can be dedicated to any of four
quadrants (P-Q, import-export, L-C). Total energy
is a sum of one counter for all tariffs. Tariffs can
be fixed, date/time dependent or tariff input
dependent
E_
TOT_1-8
  
Active tariff
  