KGZW-120 Three-phase Power Quality Analyzer
- Beschreibung
- Anfrage
Beschreibung
KGZW-120 Three-phase Power Quality Analyzer
Produkteinführung
KGZW-120 portable three-phase power quality analyzer is a special portable product for the detection and analysis of power grid operation quality. It can provide harmonic analysis and power quality analysis in power operation, and is equipped with a large capacity memory, which can conduct long-term data collection and detection of power grid operation. Gleichzeitig, it is equipped with PC application software to upload the collected data to the computer for various analysis.
KGZW-120 Three-phase Power Quality Analyzer
Produkteigenschaften
1, color touch screen display, leicht zu bedienen.
2, high-performance lithium battery for a long time power supply.
3, complete three-phase troubleshooting tool: measure the actual parameters of each power system: Stromspannung, aktuell, Frequenz, Leistung, Energieverbrauch (Energie), unbalance and flicker, harmonics and interharmonics, capture these events like sudden ups and downs, transients, interruptions and rapid voltage changes.
4, KDZW-120 three-phase power quality analyzer is designed and manufactured with reference to the “GB/T14549-93 power quality public grid Harmonic National Standard” IEC61000-4-31A level standard.
5, can use U disk expansion memory, greatly extend the recording time.
KGZW-120 Three-phase Power Quality Analyzer
Produktmerkmale:
1, Stromspannung, aktuell, Frequenz: can measure three-phase voltage, zero line voltage, three phase current, zero line current, Frequenz, usw.
2, harmonic measurement: can be measured up to 50 harmonics, the measurement results include each harmonic voltage, harmonic current amplitude, the total distortion of voltage harmonics (total distortion rate), each voltage harmonic/current harmonic content rate; Harmonic spectrum diagram can be displayed.
3, power measurement: can measure three-phase apparent power, active power, reactive power, power factor, three-phase electric energy, usw.
4, three-phase unbalance measurement: can measure three-phase voltage unbalance degree and positive sequence, negative sequence, zero sequence voltage; Three-phase current unbalance degree and positive sequence, negative sequence,
5, zero sequence current, can display voltage vector diagram, current vector diagram.
6, surge current: can record at least 40 surge current events.
7, fluctuation/flicker: fluctuation, short-term flicker, long-term flicker measurement.
8, sudden rise/sudden drop: can record voltage sudden rise, sudden drop events, bis zu 40 events can be recorded.
9. Monitoring and recording: Basic (steady state) power quality parameters can be recorded for a long time, and the recording interval is adjustable from 3 seconds to 30 Protokoll.
10, digital oscilloscope: can be used to view the voltage/current signal waveform.
Product Application:
1, front-end troubleshooting: use the screen display to quickly diagnose faults and restore the system to normal work Predictive maintenance: detect and prevent power quality problems before downtime occurs
2, quality of service: Check the power quality at the user’s entry line
3, long-term analysis: detect difficult to find or intermittent failure
4, load study: check the capacity of the electrical system before increasing the load
5. Energy evaluation: Quantitative evaluation of energy consumption before and after transformation to prove the effect of saving equipment
KGZW-120 Three-phase Power Quality Analyzer
|
Measurable range
|
accuracy of measurement
|
Zustand
|
|
| Voltage/current/frequency | Three-phase voltage: 10~700V(true RMS) Neutral line voltage: 1 ~ 70V(true RMS) Three-phase current: 0~(true RMS value, optional current sensor) Neutral line current: 0~(true RMS value, optional current sensor) Frequenz: 40~70Hz |
Stromspannung: ±0,5 % Aktuell: ±0,5 % Frequenz: ±0.01Hz |
The A-phase voltage frequency is used as the measurement frequency
|
| harmonics measurement | Voltage harmonics: total harmonics, 1~50 harmonics Current harmonics: total harmonics, 1-50 harmonics |
Voltage harmonics: ±0.1(%F) Current harmonics: ±1 % |
|
| power measurement | Active power: 0.05~700KW Apparent: 0.05~700KVA Reactive power: 0.05~700KVAR Power factor: 0.00~1.00 Active power: 0.01~10000kWh Apparent electrical energy: 0.01~10000kVAh Reactive power: 0.01~10000kVARh Average power factor: 0.00~1.00 |
Active work: ±2% Apparent: ±2% Reactive power: ±2% Power factor: Reading ±0.005 Active energy: ±2% Apparent energy: ±2% Reactive power: ±2% Average power factor: Reading ±0.005 |
|
| three-phase imbalance | Fundamental voltage: 10~700V(true RMS) Fundamental current: 0.5~(true RMS value) Fundamental frequency: 40~70Hz Phase Angle: 0~360o Unbalance degree: 0.0%~100 % |
Stromspannung :0.5% Aktuell :0.5% Frequenz: Reading ±0.01Hz Phase Angle: Reading ± 0.3o Voltage unbalance: reading ±0.2 Current unbalance: reading ±0.2 |
The A-phase voltage frequency is used as the total measurement frequency |
| monitoring record | Recorded parameters: three-phase voltage, three-phase current, zero-line current, voltage harmonics (total harmonics, 1-25 harmonics), current harmonics (total harmonics, 1-25 harmonics), three-phase unbalance, active power, power factor, fluctuation, flicker | Recording duration = (Maximum number of data that can be recorded on the instrument x Storage interval) /60 minutes Maximum number of data that can be recorded on the instrument = 18635 Storage interval: 3S to 30MIN Recording duration: 15 hours to 388 days | Set the collection interval to 3 Sekunden, can monitor 15.5 Std., set the collection interval to 30 Protokoll, can monitor 388 days (3 seconds to 30 minutes continuously adjustable) |
| Sudden rise and sudden fall | Voltage surges, voltage plunges and temporary power outages | A maximum of 40 events can be recorded | |
| fluctuate |
fluctuate：0.1%~10.0%
|
fluctuate：±5％
|
|
| flickering | Short time flicker changes long time flicker | Short time flicker measurement error :± 5% Long time flicker measurement error :± 5% | |
| digital oscilloscope | Three phase voltage, three phase current, zero line voltage and zero line current instantaneous waveform | Maximum sampling frequency: 200KHz Minimum sampling frequency: 100Hz |
|
|
Modell
|
KDZN-OL
|
||
|
Größe
|
225×155×150
|
internal storage |
128M bit
|
| display screen | Touch screen, 5.7 inch 320×240 color graphics LCD | supply voltage |
14.4V（lithium battery）
|
| communication interface |
GPRS/LAN
|
Gewicht
|
2KG
|
