PQA-3561 Power Quality Analyzer

Specifications

Range

Accuracy

Voltage, Current & Frequency

Voltage: 10~700V (true rms)
Current: 0.5~3000A (true rms, with relevant CT)  
Neutral current: 0.5~25A (true rms)
Current peak: 0-3000A
Voltage peak: 0-1000V
Crest factor: 0-10
Frequency: 30~1000Hz

Voltage: ±0.2%
Current: ±0.5%
Frequency: ±0.01Hz

NOTE: Take L1 frequency as total measurement frequency.

Harmonics

Voltage: Total harmonic +1~50th
Current: Total harmonic +1~50th
K-factor: 0-10

Voltage: ±0.2(%f)
Current: ±0.2(%f)
±0.5%

Harmonic Power

Total harmonic: +1~30th
Total active harmonic power: ∑P
Total reactive harmonic power: ∑Q
Total positive active harmonic power: +∑P
Total negative active harmonic power: -∑P
Total positive reactive harmonic power: +∑Q
Total negative reactive harmonic power: -∑Q

±0.5%

Inter-harmonics

Voltage: total inter-harmonic +1~20th
Current: total inter-harmonic +1~20th

Voltage: ±0.2(%r)
Current: ±0.2(%r)

Power & Energy

Active power: 0.05~700KW
Apparent power: 0.05~700KVA
Reactive power: 0.05~700KVAR
Power factor: 0.00~1.00
Active energy: 0.01~10000kWh
Apparent energy: 0.01~10000kVAh
Reactive energy: 0.01~10000kVARh
Average power factor: 0.00~1.00

Active power: ±0.5%
Apparent power: ±0.5%
Reactive power:±1%
Power factor: ±0.005
Active energy: ±0.5%
Apparent energy: ±0.5%
Reactive energy: ±1%
Average power factor: ±0.005

Unbalance

Fundamental voltage: 10~700V (true rms)
Fundamental current: 0.5~1000A (True rms)
Fundamental frequency: 40~70Hz
Phase angle: 0~360o
Unbalance: 0.0%~100%

Voltage: ±0.5%
Current: ±0.5%
Frequency: ±0.01Hz
Phase angle: ±0.3 o
Voltage unbalance: ±0.2%
NOTE: Take L1 frequency as total measurement frequency.

Data Recording

Data logging for: 3 phase voltage, current, null current, voltage harmonic (THD and 1~25 harmonics), current harmonics (THD and 1~25 harmonics), unbalance, KW, KVA, KVAR, PF, flicker and fluctuation 

Time interval: 1s~30min adjustable
Time duration:<960 hours

Sags(Dips)/Swells

Voltage sag, voltage swells and instant interruption
Event characteristics listed: Start time, ending time, duration time(≥20ms) and voltage magnitude(rms1/2) 

Maximal event recorded: 40 times
Time:±10ms

Fluctuation

Voltage fluctuation:0.1%~10.0%

≤±5%

Flicker

 1min flicker, short-time(10min) and long-time(2h) flicker

1 minute short-time: ≤±5.5%
10 minutes short time: ≤±5%
2 hours long-time: ≤±5% 

Inrush

Inrush Current, Inrush duration, Arms ½, Expected Time, Max. Amp, Min. Amp, Threshold Amp

±10ms

Transient

Voltage transient based on 120% above of nominal voltage

Capture rate: 98.7%
Minimal detect duration: 20μs

Power wave

Measure active power, reactive power, and apparent power semi-wave and power tendency of 1 min, 3 min and 5 min. 

Semi-wave power reading±0.5%

Scope

3-phase voltage, 4-wire current, null voltage and null current waveform

Max sampling frequency: 200KHz 
Min sampling frequency: 100Hz