86-27-85568138
| No. | Items | Description |
| 1 | Voltage/Current/Frequency | Measure three phase voltage, zero line voltage, three phase current, zero line current, frequency. |
| 2 | Harmonic wave measure | Measure up to 50times harmonic wave, results include every time harmonic wave voltage, current amplitude, total distortion rate of voltage harmonic wave, every times voltage harmonic ratio/current harmonic ratio, harmonic frequency spectrogram display. |
| 3 | Power measure | Measure three phase apparent power, active power, reactive power, power factor, three phase electric energy. |
| 4 | Three phase unbalance measure | Measure three phase voltage unbalance, positive sequence, negative sequence, zero sequence voltage; three phase current unbalance and positive sequence, negative sequence, zero sequence current; voltage vector and current vector display. |
| 5 |
Surge current |
Record up to 40pcs surge current events. |
| 6 | Fluctuation/Flicker | Fluctuation, short time flicker, long time flicker measurement |
| 7 | Dips/Swells | Record voltage dips and swells, up to 40pcs events. |
| 8 | Monitoring record | Long time record basic(stable)power energy quality parameters, record time interval from 3secs to 30mins adjustable. |
| 9 | Digital oscilloscope | Check voltage/current signal wave form |
| Measure range | Measure accuracy | Remark | |
| Voltage/current /frequency |
Three phase voltage : 10-700V(effective value) Three phase current : 0.5-1000A(effective value,1000A current sensor for optional) Zero line current : 0.5-10A (effective value) Frequency: 40-70Hz |
Voltage: ±0.5% Current: ±0.5% Frequency: reading±0.01Hz |
Here,we use A phase voltage frequency as measure frequency |
| Harmonic wave measure | Voltage harmonic: total harmonic 1-50times harmonic wave. Current harmonic: total harmonic 1-50times harmonic wave. |
Voltage harmonic wave: ±0.1(%r) Current harmonic wave: ±0.05(A) |
|
| Frequency measure | Active power: 0.05-700kW Apparent power: 0.05-700kVA Reactive power: 0.05-700kVAR Active power energy: 0.01-10000kWh Apparent power energy: 0.01-10000kVAh Reactive power energy: 0.01-10000kVARh Average power factor: 0.00-1.00 |
Apparent: reading±50VA Reactive: reading ±50VAR Power factor: reading±0.005 Active power energy: reading±0.05kWh Apparent power energy: reading±0.1kVAh Reactive power energy: reading±0.1kVARh Average power factor: reading±0.005 |
|
| Three phase unbalance | Fundamental voltage: 10-700V(effective value) Fundamental current: 0.5-1000A(effective value) Fundamental frequency: 40-70Hz Phase angle: 0-360degree Unbalance: 0.0%-100% |
Voltage: 0.5% Current: 0.5% Frequency: reading±0.01Hz Phase angle: reading±0.3degree Voltage unbalance: reading±0.2% Current unbalance: reading±1% |
Here,we use A phase voltage frequency as total measurement frequency |
| Monitoring record | Record parameters include three phase voltage, three phase current, zero line current,voltage harmonic wave(total harmonic+1-25 times harmonic), current harmonic wave(total harmonic+1-25 times harmonic), three phase unbalance, active power, power factor, fluctuation, flicker |
Same as above items | Monitoring time up to 960hours |
| Dips and swells | Voltage dips and swells and temporary outage | Record up to 40pcs events | |
| Fluctuation | Voltage fluctuation quantity: 0.1%-10.0% | Measure error: ≤±5% | |
| Flicker | Short time flicker, long time flicker | Short time flicker measurement error: ≤±5% |
|
| Digital oscilloscope | Three phase voltage, three phase current, zero line voltage and zero l |
