Product Introduction

XL-803F Three-Phase Programmable Standard Source, Accuracy: 0.05 level, equipped with industrial control computer, capable of outputting three-phase current up to 120A, supports secondary development by users, online report printing and other functions. Can be used for AC quantity detection and calibration, suitable for power departments, metrology departments, quality inspection departments, scientific research institutions, universities, and production and R&D enterprises of electric energy meters, distribution terminals, power consumption management, load control, power quality, reactive power compensation, etc.
 

Main Features

• High Accuracy: Power Output Accuracy Level 0.1 level / 0.05 level / 0.02 level Optional voltage and current accuracy levels of 0.1 level / 0.05 level / 0.02 level, harmonic output accuracy 0.1% RG, frequency resolution 0.002Hz, suitable for AC quantity detection and calibration.
• Wide Output Range: Precise Output range 30~420V (600V), 50mA~20A (120A), fundamental frequency 40~65 (400) Hz, can serve as standard voltage source, standard current source, standard power source, meeting the detection and calibration needs of AC voltmeters, AC ammeters, AC wattmeters/electric energy meters and other AC measuring instruments.
• Automatic Range Switching Across Full Output Range: Voltage and current automatically switch to appropriate output ranges throughout the entire output range to ensure accuracy indicators across the full output range.
• Superimpose 49 Harmonics: Voltage and current can output fundamental wave superimposed with harmonics, capable of outputting any single or multiple harmonics from 2nd to 49th order.
• Phase-by-Phase Frequency Conversion: Each phase output is independent, allowing separate control of amplitude, frequency, and phase of each phase output, flexible and convenient.
• Parallel Current Expansion: Three-phase currents can be paralleled to output as single-phase current, increasing the output current range, output current can be increased threefold, flexible usage.
• Low Load Regulation: Power amplifier uses hardware closed-loop deep negative feedback technology, from no load to full load adjustment time at millisecond level , typical load regulation less than 0.01% RD 。
• Low Waveform Distortion: Each cycle is fitted with 50,000 points, enabling high-order harmonic output, while peers use 360~3600 points, typical distortion is 0.03%, peers at 0.2%.
• High Annual Reliability: Typical output annual stability is 60 PPM/year, no need for annual recalibration, ensuring long-term accuracy of the device.
• Safe and Reliable, Flexible Use: Voltage and current are electrically isolated, three-phase currents are electrically isolated from each other, flexible wiring, safe and reliable.
• Professional Software: Software supports interfaces for voltage and current amplitude adjustment, frequency output adjustment, phase adjustment, three-phase four-wire, three-phase three-wire, harmonic output, etc., easy to operate.
• Human-Machine Interaction, Simple and Flexible: Large color LCD screen, capacitive touch screen operation is smooth and convenient.

Main Functions

• Uses 32-bit MCU + DSP processor, powerful and flexible functions;
• Output waveform is flexible and variable, can arbitrarily superimpose harmonics, up to 49 times superposition;
• Strong load capacity, can ensure stable and accurate values under full load, covering calibration of analog meters;
• Supports multiple value adjustment methods such as fixed-point output and step ratio;
• Signal output is formed by waveform fitting of up to 50,000 points per cycle at power frequency, internal signal output does not require filter smoothing, ensuring precise waveform output, enabling accurate harmonic output and excellent harmonic distortion indicators;
• Value output has two modes: direct output and adjusted output, convenient for calibration of digital and analog meters;
• Excellent temperature stability, core components are military-grade products with temperature coefficient as low as 1 PPM, ensuring output accuracy in outdoor temperature environments;
• Open communication protocol, facilitating secondary development;
• Strong product adaptability and scalability, meeting future technology upgrade needs.

Device Selection