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Appendix B – INFORMA PMD-A Functions
Power
Energy
The following calculations are possible for 4U+4I-star cabling (Ph-N type).
Voltage
U
Calculation
rms (1/2)
10 seconds
10/12 cycle
calculation
U
Calculation
rms (1/2)
171
Parameters
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
Parameters
Frequency
RMS
Zero Sequence
Positive Sequence
Negative Sequence
Unbalance and Zero
Unbalance
Harmonics (up to 50th
order)
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
Under and Over Deviation
RMS
Total Nos.
695
Total Nos.
200
th
196
12
32
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3
0
1
0
1
0
1
0
0
0
1
0
0
6
8
1
4
1
1
1
2
3
1
3
6
4
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