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Appendix B – INFORMA PMD-A Functions
Current
Power
Energy
U
Calculation
rms (1/2)
10/12 cycle
calculation
U
Calculation
rms (1/2)
173
Parameters
Inter-harmonics (up to 50
order)
THD(THD, THD Odd, THD
Even)
Flicker
instantaneous(Pinst)
Flicker short term (10
minutes)-Pst
Frequency (10 minutes)
Signaling Voltages (3)
Under and Over Deviation
RMS
Zero Sequence
Positive Sequence
Negative Sequence
Unbalance and Zero
Unbalance
RMS
Harmonic (up to
th
50
order)
Inter-harmonics
TDD
k-Factor
RMS
Single Phase Active Power
Three Phase Active Power
Single Phase Reactive
Power
Three Phase Reactive
Power
Single Phase Apparent
Power
Three Phase Apparent
Power
Single Phase Distorted
Power
Three Phase Distorted
Power
Single phase power factor
Three phase power factor
Cos phi
Harmonic Power
Crest Factor
Total Nos.
th
147
32
150
147
695
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9
3
1
3
6
3
1
1
1
2
3
3
3
3
0
1
0
1
0
1
0
0
0
1
0
0
6
8
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