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Transformer winding deformation testerZC-206B

As an important electrical equipment, the safe and reliable operation of power transformers is extremely important for the power system. The transformer comprehensive characteristic tester is a self-developed device by our company specifically designed for winding deformation during factory, fault, and handover tests of power transformers (three-phase or single-phase). It uses an ARM processor as the core control for sampling, processing, and output. Its main characteristics are color touch screen display, Chinese menu prompts, simple operation, equipped with a high-speed thermal printer, designed with storage function, convenient for data storage and printing; Equipped with data management software, the saved data is transferred to the computer (upper computer) through USB for multiple operations such as saving, printing, and clearing, or directly tested through the upper computer. The saved file format is Word or Excel file format. The instrument is small in size, light in weight, easy to carry, and extremely convenient for on-site use, greatly reducing the labor intensity of the testing personnel and improving work efficiency.

Features and Advantages

Main Test Items and Functions
1. Sweep frequency method winding deformation test based on different standards;
2. It can measure the phase frequency curve and amplitude frequency curve of each winding of the transformer;
3. The phase and amplitude of the transformer winding can be tested cyclically at a fixed frequency;
4. Analyze the amplitude frequency curve of transformers based on DLT911-2016;
5. Built in non power-off memory, capable of storing 40 sets of winding deformations;

  • Sweep frequency method for measuring winding deformation
  • Working conditions
Sweep frequency method for measuring winding deformation
Scanning frequency range 10HZ-1MHZ (DLT911-2016 linear scanning
20HZ-2MHZ (GB/T1094.18 IEC60076-18:2012 segmented scanning)
10HZ-10MHZ (GB/T1094.18 IEC60076-18:2012 segmented scanning)
Amplitude measurement range (-100dB) – (+20dB)
Amplitude measurement accuracy (-40dB) – (+20dB) 0.2dB      (-60dB) – (-40dB)0.5dB       (-80dB) – (-60dB)1.0dB
Angle measurement range (-180 °) – (+180 °) (10HZ-2MHZ)
Scanning frequency accuracy less than 0.01%
Signal input impedance greater than 1M Ω (DLT911-2016)    50 Ω(GB/T-1094.18 IEC60076-18:2012)
Signal output impedance 50 Ω
In phase test repetition rate 99.5%
Working conditions
Working voltage AC220V±10%
Frequency 50Hz±10%
Power consumption ≤ 60w
Operating environment temperature 0-40℃
Operating environment humidity ≤ 90RH
Host volume 520x290x220 mm
Weight 10kg

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