To understand the actual situation of the power quality of the power grid, it is necessary to have corresponding equipment to test and analyze it. In response to the actual domestic situation, our company has timely developed and developed professional power quality analysis instruments suitable for national conditions. The following is a detailed description of the specific performance, parameters, and usage of the power quality analyzer.
|
Item |
parameters |
|
|
measurement channels |
Four-channel voltage, four-channel current |
|
|
Test range |
voltage |
10-660V, Optional precision voltage dividing box can reach1200V |
|
current |
Small clamp meter: diameter 8mm, 0-5A-25A (standard configuration) Medium clamp meter: diameter 50mm, 5-100-500A (optional) Large clamp meter: diameter 125×50mm, 20-400-2000A (optional) Flexible pliers: ring diameter 250mm, 30-1000-5000A (optional) |
|
|
phase angle |
0.000－359.999° |
|
|
frequency |
42.5－69Hz |
|
|
resolution |
voltage |
0.001V |
|
current |
0.0001A |
|
|
phase angle |
0.001° |
|
|
Power |
Active 0.01W, Reactive power0.01Var |
|
|
frequency |
0.0001Hz |
|
|
Voltage RMS accuracy |
≤0.1% |
|
|
Current effective value deviation |
≤0.3% |
|
|
phase angle error |
≤0.1° |
|
|
Power deviation |
≤0.5% |
|
|
Frequency measurement accuracy |
≤0.01Hz |
|
|
Harmonic measurement order |
2－64times |
|
|
Voltage harmonic deviation |
When harmonics are greater than 1% of nominal value: ≤1% of reading When harmonics are less than 1% of the nominal value: ≤0.05% of the nominal voltage value |
|
|
Current harmonic deviation |
When harmonics are greater than 3% of nominal value: ≤1% reading + CT accuracy When harmonics are less than 3% of nominal value: ≤0.05% of current range |
|
|
Voltage imbalance accuracy |
≤0.2% |
|
|
Current unbalance accuracy |
≤0.5% |
|
|
Voltage fluctuation accuracy |
5% |
|
|
Short flicker measurement time |
10分min |
|
|
Long flicker measurement time |
2hours |
|
|
Flicker measurement deviation |
≤5% |
|
|
Display |
1280×800. Color wide temperature LCD screen |
|
|
Charger |
AC220V±15% frequency 45Hz-65Hz |
|
|
Battery working time |
≥10 hours |
|
|
Power consumption |
＜4VA |
|
|
insulation |
The insulation resistance of the voltage and current input terminals to the chassis is ≥100MΩ. The working power input end and the shell withstand a power frequency of 1.5KV (effective value), and the experiment lasted 1 minute. |
|
|
ambient temperature |
-20℃～50℃ |
|
|
Relative humidity |
0-95% No RH |
|
|
physical dimension |
280mm×210mm×58mm( |
|
|
weight |
2Kg |
|