XL-8234 Four-Phase AC Power Source

The XL-8234 four-phase AC power source is a new generation high-precision standard power source composed of a 1.2G MAC-based DSP, large-scale FPGA, high-speed high-precision DA, and high-fidelity power amplifier. It is suitable for power departments in power systems that require measurement, inspection, and high-precision standard signal sources for electrical measurement, thermal engineering, remote control, and dispatching. It is also suitable for other occasions that require high-precision standard signal sources for measurement and inspection.

Product Description

Product Introduction
   

  XL-8234 Four-Phase AC Power Source It is a new generation high-precision standard power source based on 1.2G MAC DSP, large-scale FPGA, high-speed high-precision DA, and high-fidelity power amplifier. It is suitable for power departments in electric power systems that require measurement, inspection, and high-precision standard signal sources such as electrical measurement, thermal engineering, remote control, and dispatching. It is also suitable for other occasions that require high-precision standard signal sources for measurement and inspection.

This device uses an 800*600 LCD screen with full Chinese display, featuring a clear and simple interface, easy operation, and good visual effects. The core module uses a 32-bit high-speed DSP, which is powerful, highly reliable, flexible, adaptable, and software-upgradable, greatly enhancing product performance. All power outputs have overcurrent and overheating protection, and limited voltage function when current is open circuit, ensuring the safety of inspectors. It is a highly practical instrument among standard instruments.

 

Main Features

 

  • Uses MCU+DSP processor, powerful and flexible.
  • Power frequency waveform synthesis with up to 30,000 points per cycle, internal waveform output requires no filter smoothing, ensuring accurate waveform output, enabling high-order harmonic output and excellent harmonic distortion performance.
  • Can be conveniently connected to a PC via one RS232 port to expand other functions.
  • Variable phase frequency.
  • Four-phase current can be output in parallel to expand output range.
  • Comprehensive overcurrent, overvoltage, and overheating protection.
  • Hardware PID, almost no output delay, fast response.
  • Customizable output functions to simulate various power fault signals.
  • 800*600 LCD display, Chinese menu, simple operation.
  • Open communication protocol, convenient for secondary development (factory automatic calibration for RTU/FTU/power management terminals/public transformer metering terminals).
  • Can drive purely capacitive loads.

 

Main Functions

 

  • AC standard source output: can output four-phase power frequency (40Hz~100Hz) voltage and current with adjustable frequency, phase, and amplitude, facilitating power workers in research and calibration.
  • Transmitter calibration: used for voltage, current, and power calibration.
  • Communication function: used for communication with PC and other main control modules.
  • Harmonic output: for harmonic source XL-8234, current output up to 21st harmonic, voltage output up to 30th harmonic.
  • Energy verification function: for standard sources equipped with IO expansion, can be used to verify energy pulse input.
  • Phase frequency output: the frequencies of phases A, B, C, and D can be output independently, convenient for users who need it, such as synchronization devices in power protection.
  • User-defined functions: users can customize various function outputs, but the functions must not contain DC components.
  • Secondary development: users can develop various functions they need based on the communication protocol provided by our company.
  • Configuration software: equipped with configuration software, allowing easy output of various complex waveforms using a personal computer.
  • Alarm function: when the device malfunctions, it can automatically sound and light alarms. Users should cut off power and check the cause of the fault, such as voltage short circuit or current open circuit.

 

Technical Specifications

 

Parameter Name Technical Parameters Remarks
Voltage Analog Output Number of output phases: 4-phase output  
Output range: 0~264V  
Single-phase power: ≥50VA  
Phase angle: 0~360°, resolution 0.01°, accuracy 0.05°  
Response speed: full-scale output response speed <1ms  
Current Analog Output Number of output phases: 4-phase output  
Output range: 0~6A  
Single-phase power: ≥30VA  
Phase angle: 0~360°, resolution 0.01°, accuracy 0.05°  
Response speed: full-scale output response speed <1ms  
Voltage output accuracy ≤±0.05%  
Current output accuracy ≤±0.05%  
Power factor Adjustment range: -1~0~1  
Resolution: 0.0001  
Accuracy: 0.05%  
Frequency Range: 40~60Hz  
Accuracy: ≤±0.005Hz  
Power output Accuracy: better than 0.05%  
Stability: better than 0.01%/1min  
Phase Adjustment range: 0~359.999 degrees  
Resolution: 0.001 degrees  
Accuracy: 0.05 degrees  
Harmonic Output Harmonic order: 2~21st  
Harmonic content: 0~20%  
Harmonic phase: 0°~359.99°  
Harmonic setting accuracy_voltage: Uh>3%Un(1%Uh); Uh<3%Un(0.1%Un)  
Harmonic setting accuracy_current:  
Ih>3%Un(2%Ih); Ih<3%Un(0.1%Un)
Phase accuracy: <0.05°  
Note: To ensure output accuracy, the output current must be kept within the limit; otherwise, the accuracy may not meet the required specifications.
Other parameters
Operating voltage AC 220V±5% 50Hz
With LCD display Power source can be manually operated directly for corresponding output
Warm-up time Less than 1 minute
Operating temperature 0℃~40℃
Relative humidity ≤85% Non-corrosive gases
Dimensions 19-inch rack mount, height ≤266.7mm (6U), depth ≤500mm
Total weight 25KG

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