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Appendix A – Technical Specifications
IEC 61000-4-30 Class A
The following table summarizes the INFORMA PMD-A accuracy and range specification of
IEC 61000-4-30 Class A parameters. The INFORMA PMD-A is specified for Udin = 230V,
50/60 Hz.
Parameter
Frequency
Voltage RMS
Flicker short term
(10 min)-Pst
Supply Voltage
Dips
and Swells
Voltage
interruptions
Voltage Unbalance
Harmonics (up to
50th order)
Interharmonics (up
to
50th order)
Signaling Voltages
Supply Voltage
Under and Over
deviation
Note:
Udin = Nominal voltage
Um = Measured Voltage
Unom = Nominal voltage
Accuracy
Specified over
Range
42.5 Hz ~ 57.5 Hz,
51 Hz ~ 69 Hz
10%~150% of
Udin.
0.2~10.0 Pst
N/A
N/A
1 – 5%
10% to 200% of
Class 3 IEC
61000-2-4
10% to 200% of
Class 3 IEC
61000-2-4
0% to 15% of Udin
[below 3 kHz]
10% ~ 150% of
Udin.
148
Measuring
Accuracy
Range
42.5 Hz ~ 57.5
Hz,
+/- 0.01 Hz of injected
51 Hz ~ 69 Hz
10%~200%
+/- 0.1% of Udin
Udin
5% of Measured Value /
0~20 Pst
applied input
N/A
±0.2% of Udin.
N/A
±0.2% of Udin.
If unbalance is in the range 1
0 – 100%
to 5% = +/-0.15%
Um >= 1% Unom
200% of Class
Um
3
Um < 1% Unom
of IEC 61000-
Unom
2-4
( Max allowed THD = 20% )
Um >= 1% Unom
200% of Class
Um
3
Um < 1% Unom
of IEC 61000-
Unom
2-4
( Max allowed THD = 20% )
1% and 3% of Udin
0% ~ 15%
±0.15% of Udin
Udin
3% and 15% of Udin
of the measured value
N/A
+/- 0.1% of Udin
5% of
.05%
5% of
0.05%
±5 %
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