Hioki PQ3198, Instruction Manual

Page: 250 / 304

13.8 Calculation Formula
244
Signed average: Signs of values are included in average calculation.
"(AVG)" following a parameter indicates the average result.
*1: PF/DPF average calculation
Addition processing
: If the power factor value is negative, it is multiplied by (-). If the power factor value is positive, it is multiplied by
(-), and the value 2 is added. The resulting value is integrated.
Averaging processing : The result of addition processing described above is divided by the number of added data points. If the result is
less than 1, it is multiplied by (-). If it is greater than or equal to 1, it is multiplied by (-), and the value 2 is added.
*2: Phase average calculation
Uphase average calculation
Uckr and Ucki represent the signed averages for each channel.
Iphase average calculation
Ickr and Icki represent the signed averages for each channel.
Pphase average calculation
(Channel averaging processing) :
Qharmk and Pharmk represent the signed averages for each channel.
(Sum averaging processing) : Qsumk and Psumk represent the signed averages for each channel.
*3: For content percentage and order 0, signed average.
Pphase See *2 below. See *2 below.
Uthd Calculated from RMS
value of RMS values. - This calculation is used for both THD-F and THD-R.
Ithd Calculated from RMS
value of RMS values. - This calculation is used for both THD-F and THD-R.
KF Signed average -
UharmH RMS -
IharmH RMS -
Msv RMS -
Msv% RMS -
Average calculation methods
CH1 to CH4 sum/AVG Comment
HIOKI PQ3198A961-03