Electric energy harmonic analyzer

Electric energy harmonic analyzerFeatures:
safe and reliable
The voltage input adopts a high-voltage isolation module (2000V, response time ≤ 2 μ S), and the current input adopts an alternating current clamp (0-50KHz, 0-5Arms) to safely isolate the input signal and quantity system, with stronger anti-interference ability.
high precision
The benchmark algorithm is used for harmonic and three-phase imbalance, without approximate calculation. High precision A/D (16 bit) is used, and sampling is performed simultaneously at a rate of 12.8 kHz.
Strong software functionality
Adopting DSP+ARM+CPLD core, it has fast processing speed and rich software functions, suitable for complex testing and data processing work, greatly improving testing efficiency and level.
Multiple testing parameters
System frequency, 2-50th harmonic of power grid, three-phase voltage imbalance, voltage deviation, fundamental effective value and true effective value of voltage, fundamental effective value and true effective value of current; Phase wise active power, reactive power, apparent power, power factor; Total active power, reactive power, apparent power, power factor; Phase wise active energy, reactive energy, total active energy, and reactive energy; Voltage surges, sudden drops, current surges, etc.
Real time harmonic data judgment
The instrument is equipped with harmonic national standard values, which can accurately and real-time determine whether the current tested voltage harmonic and current harmonic data is normal or exceeds the standard.
communication interface
The power quality tester provides two USB interfaces, one host port for storing data to a USB flash drive, and one device port for communicating with a laptop to achieve data transmission and analysis.
Data graphic display
5.7-inch blue LCD screen, capable of displaying spectra, waveforms, real-time data, vector analysis, and wiring discrimination,
Intuitive and clear.
easy to use
Portable structure, small size: external dimensions (mm): 320 × 280 × 135 (length × width × height), light weight: the instrument weighs only 3.5kg, and one person can carry the instrument to the site for testing; Equipped with a high-performance lithium battery, it can work continuously for 8 hours without an external power source.
Electric energy harmonic analyzerTechnical Specifications:
frequency measurement
Measurement range: 40-70Hz, center frequency 50Hz, measurement conditions: the fundamental component of the signal is not less than 80% F.S
Measurement of Wu difference: ＜ 0.01Hz
Voltage measurement range: standard 5V-1000V
Current measurement range: 0.05A-6A, other ranges (100A, 200A, 500A, 1000A, 2000A) can be selected according to user requirements
Fundamental wave wu difference: The allowable wu difference for fundamental wave voltage is ≤ 0.5% F.S; The allowable difference in fundamental current is ≤ 1% F.S
Measurement of phase difference between fundamental voltage and current Wu difference: ≤ 0.5 °
Wu difference for voltage imbalance measurement: ≤ 0.2%; Wu difference for current imbalance measurement: ≤ 1%
Voltage deviation measurement Wu difference: ≤± 0.5%
Power deviation: ≤ 0.5%
Harmonic analysis range: 1-50th harmonics
Harmonic content Wu difference:
When the harmonic voltage content is ≥ 3% UN, it is allowed for the wu difference to be less than ± 5% Uh
When the harmonic voltage content is less than 3% UN, it is allowed for the wu difference to be less than ± 0.15% UN
When the harmonic current content is ≥ 10% IN, it is allowed for the wu difference to be less than ± 5% Ih
When the harmonic current content is less than 10% IN, it is allowed for the wu difference to be less than ± 0.5% IN

Instrument accessories: