Hioki PQ3198, Instruction Manual

Page: 218 / 304

13.2 Input Specifications/Output Specifications/Measurement Specifications
212
(30) Harmonic voltage phase angle and Harmonic current phase angle (including fundamental component)
(Uphase/Iphase)
Measurement method Compliant with IEC61000-4-7:2009
Analysis window width 10 cycles (50 Hz), 12 cycles (60 Hz), or 80 cycles (400 Hz)
Number of window points Rectangular, 4096 points
Displayed item The harmonic phase angle components for whole orders are displayed. (Reference channel’s fun-
damental wave phase angle is 0
°. )
Measurement range 0.00 to ± 180.00 °
Measurement accuracy -
Event threshold N/A
(31) Harmonic voltage-current phase angle (including fundamental component) (Pphase)
Measurement method Compliant with IEC61000-4-7:2009
Analysis window width 10 cycles (50 Hz), 12 cycles (60 Hz), or 80 cycles (400 Hz)
Number of window points Rectangular, 4096 points
Displayed item Indicates the difference between the harmonic voltage phase angle and the harmonic current
phase angle.
Harmonic voltage-current phase difference for each channel and sum (total) value for multiple
channels (For details, see "13.8 Calculation Formula" (p.232).)
Measurement range 0.00
°
to
±
180.00
°
Measurement accuracy At 50 Hz/60 Hz:
1st order
:
±
1
°
2nd, 3rd order :
±
2
°
4th order to 50th order:
±
(0.05
°
×k+2
°
) (k: harmonic orders)
At 400 Hz:
1st order to 10th order:
±
(0.16
°
×k+2
°
) (k: harmonic orders)
However, current sensor accuracy is added. Harmonic voltage of every order is specified as 1% of the
declared voltage, and current level is specified as 1% f.s. or more.
Event threshold Specified from 0
°
to 180
°
in 1
°
resolution (specified as absolute value).
Event IN Start of approx. 200 ms aggregation in which the absolute value is greater than the threshold.
Event OUT Start of the approx. 200 ms aggregation in which the absolute value is less than (threshold - hys-
teresis) in the EVENT IN state.
Multiple-phase system treatment Separate by channel
Saved waveforms Event waveforms
HIOKI PQ3198A961-03