Appx.1
Appendix
Appx. 1 Fundamental Measurement Items
Item Display Item Display
Transient overvoltage Tran Power factor PF
Frequency (1 wave) Freq_wav Displacement power factor DPF
RMS voltage refreshed each
half-cycle
Urms1/2 Active power demand quantity
(Consumption)*
Dem_WP+
RMS current refreshed each
half-cycle
Irms1/2 Active power demand quantity
(Regeneration)*
Dem_WP-
Swell Swell Active power demand value
(Consumption)*
Dem_P+
Dip Dip Active power demand value
(Regeneration)*
Dem_P-
Interruption Intrpt Reactive power demand quantity
(Lag)*
Dem_WQ_LAG
Inrush current Inrush Reactive power demand quantity
(Lead)*
Dem_WQ_LEAD
Frequency (10 s) Freq10s, F10s Reactive power demand value
(Lag)*
Dem_Q_LAG
Interharmonic voltage Uiharm Reactive power demand value
(Lead)*
Dem_Q_LEAD
Interharmonic current Iiharm Apparent power demand
quantity*
Dem_WS
Frequency (200 ms) Freq Apparent power demand value* Dem_S
Voltage waveform peak+ Upk+ Power factor demand value* Dem_PF
Voltage waveform peak- Upk- Harmonic voltage (0th to 50th
order harmonics)
Uharm
Current waveform peak+ Ipk+ Harmonic current (0th to 50th
order harmonics)
Iharm
Current waveform peak- Ipk- Harmonic power (0th to 50th
order harmonics)
Pharm
RMS voltage (phase/line) Urms Harmonic voltage phase angle
(1st to 50th order harmonics)
Uphase
Voltage DC Udc Harmonic current phase angle
(1st to 50th order harmonics)
Iphase
Voltage CF Ucf Harmonic voltage-current phase
difference (1st to 50th order
harmonics)
Pphase
RMS current Irms Total harmonic distortion
(THD-F/THD-R) (voltage)
Uthd
(
Uthd-F or Uthd-R
)
Current DC Idc Total current harmonic
distortion (current) (THD-F/
THD-R)
Ithd
(
Ithd-F or Ithd-R)
Current CF Icf Voltage negative-phase
unbalance factor
Uunb
Appendix
*: Available after the rmware update
10
9
8
7
6
5
4
3
2
1
Appx. Ind.