Power Quality Analyzer Model 8230 79Short-term Flicker (PST) of the VoltageNumerical method derived from standard IEC 61000-4-15.The PST value is refreshed every 1 minute.Peak Voltage and Current (Updated on each waveform refresh)Vpp=max (V[n]), Vpm=min (V[n]), n ∈ [0..NSC-1]App=max (A[n]), Apm=min (V[n]), n ∈ [0..NSC-1]Peak Factors for Current and Voltage (over 1 second)[ ]∑−=⋅= 102122)Vpm,max (VppVcf NSCnnVNSC[ ]∑−=⋅= 1021)Apm,max (AppAcf NSCnnANSCPeak factor voltagePeak factor current1 sec RMS Values for Voltage and Current[ ]∑−=⋅= 1021Vrms NSSnnVNSS[ ]∑−=⋅= 1021Arms NSSnnANSSRms voltageRms current
