AT3051 Power quality standard source
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Product Name: AT3051 Power quality standard source

Product Category: Industrial Measurement


Product Details
AT3051 Power quality standard source


AT3051 is suitable for the measurement department of research institution, power grid corporation, railway, large industrial and mining enterprise and national measurement institution at all levels.

Main function

Offer sine of standard source level or various distortion signals;

Support the qualitative and quantitative calibrating of various power quality analyzers, voltage monitor, flickermeter, power quality recorder.

Output 2nd ~63rd harmonics.

Main features

8 inch color touch screen, interface friendly, easy to operate.

Adopt advanced DSP data processing technology, can synthesize various irregular waveforms, such as harmonics, inter-harmonics, flicker, swells, dips, etc.;

Equipped with RS232, Ethernet, and WiFi interface, AT3051 can either support stand-alone operation, PC control or handy wireless terminal control;

Communicate with tested meter thru RS-232/485 and Ethernet;

Automatically calculate the error of meter and transducer, and the related data can be downloaded thru U-disk;

Self-protection, alarming and displaying overload location for equipment output overload, Voltage short-circuit, Current open-circuit;

Automatically detect, diagnose and alarm for failure;

Remotely updating online, easily achieve software updating;

Support calibrating by userself.

Technical specification

AC voltage output

Range: 50V, 100V, 220V;

Adjustment range: (0~120) %RG, RG refers to range, similarly hereafter;

Adjustment degree: 0.01%RG, 0.1%RG, 1%RG, 10%RG for option;

Stability: 0.01%/2min;

Distortion: ≤0.1% (Non-capacitive load);

Output maximum load: 25VA each phase;

Accuracy: 0.05%RG;

AC current output

Range: 1A, 2A, 5A, 10A;

Adjustment range: (0~120) %RG, RG refers to range, similarly hereafter;

Adjustment resolution: 0.01%RG, 0.1%RG, 1%RG, or 10%RG ;

Stability: 0.01%/2min;

Distortion: ≤0.1% (Non-capacitive load);

Output maximum load: 25VA each phase

Measurement accuracy: 0.05%RG;

Power output

Power output stability: 0.01%/2min;

Active power and reactive power measurement accuracy: 0.05%RG;

Phase angle output

Output adjustment range: 0°~360°;

Output adjustment resolution: 10°, 1°, 0.1°, or 0.01° .

Resolution: 0.01°;

Accuracy: 0.05°.

Power factor output

Adjustment range: -1.0000 ~ 0.0000 ~ +1.0000;

Measurement resolution: 0.0001;

Accuracy: 0.0005;

Fundamental frequency output

Adjustment range: 40Hz ~70Hz;

Output adjustment resolution: 1Hz, 0.1Hz, 0.01Hz, or 0.001Hz.

Min resolution: 0.001Hz;

Accuracy: 0.002 Hz.

Three phase voltage / current symmetry and phase angle symmetry

     Voltage / current symmetry: ≤0.1%;

     Phase symmetry: 0.05°;

Harmonic setting

Harmonic order: 2nd ~63rd ;

Harmonic content: 0~40%;

Harmonic phase angle: 0°~359.99°;

Harmonic phase setup resolution: 0.01°;

Harmonic voltage accuracy: when Uh≥1%Un, 2% Uh; when Uh<1%Un, 0.02% Un;

Harmonic current accuracy: when Uh≥1%Un, 2% Uh; when Uh<1%Un, 0.02% Un;

Inter-harmonics setting

Frequency range: 16Hz~9kHz;

Frequency accuracy: 0.05%;

Inter-harmonics frequency setup resolution: 0.1Hz;

Inter-harmonics content: 0~30%;

Inter-harmonics amplitude accuracy: 5% ;

Output flicker value (Pst)

Setup range: Setup the ±30% (60% ΔV/V) of voltage or current within the range;

Pst indication accuracy (220V~240V or 115V~125V): 1%;

Waveform: square wave, rectangular wave or sine wave;

Duty ratio (when the wave is rectangular): 0.01 % ~ 99.99 %;

Modulation frequency range: 0.0008Hz ~ 40Hz;


Trigger input delay (start delay): 0~60s;

Swell/dip duration (continue): 1ms~60s;

Maximum amplitude dips (sudden changes to): 0%;

Maximum amplitude swells (sudden changes to): 140%;

Period of ramp in/ ramp out: 0.1ms ~30s;

Trigger output delay: 0~60s;

Energy error measurement

Active energy accuracy: 0.05%RD (PF≥0.5);

Reactive energy accuracy: 0.1%RD (PF≥0.5);

General parameters

Power supply:          90~265VAC,110VDC~370VDC

Frequency:             50Hz~60Hz

Consumption:          50VA~1000VA

Environment Condition:  20℃~30℃,relative humidity≤85%

Storage environment:  -20℃~50℃

Size:                600mm (L) × 440mm (W) × 176mm (H)

Weight:              25Kg
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