XL-3600T6 Anti-DC Transformer Calibration System

The XL-3600T6 Anti-DC Transformer Verification System can test the power frequency ratio error angle, power frequency half-wave error, and power frequency superimposed DC error of low-voltage current transformers resistant to DC bias.

Product Description

Product Introduction

XL-3600T6 DC-Resistant Current Transformer Calibration System Includes a 0.02-level DC-resistant current transformer calibrator, a programmable AC/DC current source, a 0.01-level AC/DC current transformer (standard current transformer), an electronic current transformer load box, an operation desk with an automatic crimping device for high-current leads, and other five parts. Its core uses a dual-CPU architecture, powerful functions, 24-bit AD chip, and 512 times oversampling technology to greatly expand bandwidth and improve measurement accuracy. It can perform error tests under power frequency as specified by standards, error tests under power frequency superimposed DC, and error tests under sinusoidal half-wave, fully meeting test requirements.

Features

  • Six-meter position design, can test six DC-resistant current transformers at one time;
  • Basic error and composite error testing of DC-resistant current transformers under power frequency;
  • Error and composite error testing of DC-resistant current transformers under power frequency current superimposed with DC component;
  • Error and composite error testing of DC-resistant current transformers under sinusoidal half-wave;
  • Harmonic influence testing of DC-resistant current transformers;
  • Harmonic content analysis and waveform distortion rate calculation of the secondary output of DC-resistant current transformers, and can test ratio error and phase error of each harmonic;
  • Equipped with an automatic crimping device for high-current leads, convenient and safe;
  • Fully automatic testing according to the test plan, and automatically saves test data;
  • During automatic testing, automatically controls the current source to output different calibration points and automatically controls the load box adjustment.
  • Automatically generates test reports, which can be edited according to user templates;
  • Programmable AC/DC current source can superimpose DC output on the fundamental wave and output sinusoidal half-wave.

 

Technical Specifications

1. XL-3600T6 DC-Resistant Current Transformer Calibration System
AC/DC Current Transformer Accuracy 0.01 level
Calibrator Accuracy Level 0.02 level
Current Transformer Load Box Accuracy 3% + 0.025VA
Programmable AC/DC Source Accuracy 0.01
Calibration Bench Dimensions Length 1336 mm × Width 860 mm × Height 982 mm
Weight About 90 kg
Workbench Dimensions Length 880 mm × Width 860 mm × Height 822 mm
Weight About 25 kg
Programmable AC/DC Current Source Cabinet Dimensions Depth 820 mm × Width 600 mm × Height 1800 mm
Weight About 500 kg
Working Environment Should have good ventilation conditions
Ambient Temperature -10℃ ~ 55℃
Relative Humidity <85% (no condensation or corrosive gases)
Power Supply Please refer to the power supply specifications of each module
2. DC-Resistant Current Transformer Calibrator
Fundamental Wave Measurement Accuracy
Current Measurement Accuracy 5%~120%In, 0.02%RD (In=1A or In=5A)
(AC, DC, AC+DC) 1%~5%In, 0.05%RD (In=1A or In=5A)
Standard Input Range 0%~120%In (In=1A or In=5A)
Tested Input Range 0%~120%In (In=1A or In=5A)
Accuracy Level 0.02 level
Ratio Error Measurement Accuracy 0.02%
Phase Error Measurement Accuracy 0.6′
1A Standard Input Terminal Impedance Not greater than 0.07Ω
5A Standard Input Terminal Impedance Not greater than 0.01Ω
1A Tested Input Terminal Impedance Not greater than 0.07Ω
5A Tested Input Terminal Impedance Not greater than 0.01Ω
Measurement Frequency Range 20~440Hz
DC Measurement Accuracy
DC Current Measurement Accuracy 0.1 level
Harmonic Measurement Accuracy
Harmonic Orders 2~4th 5~6th 7~9th 10~25th
Harmonic Ratio Difference Measurement Accuracy (%) 0.1 0.2 0.5 1
Accurate harmonic phase difference measurement (︒) 0.2 0.5 1 2
Other parameters
Power Supply AC 220V±10% 50 Hz 150VA
3. Programmable AC/DC current source
Power frequency current accuracy 1%
Frequency output range 0~1kHz (maximum superimposed 22nd harmonic at power frequency)
Output current range (power frequency) 0~1800A
Maximum port voltage output 3.5V
Maximum half-wave current (peak) 2121A
Waveform distortion (power frequency) <1%
Output stability Better than 0.2%/min
Power Supply Three-phase four-wire (3×220V), 30kVA (at maximum output)
4. AC/DC current transformer
Current measurement range 0~2000A
Rated secondary current 1A
Current transformation ratio 100 A:1A 500 A:1A 2000 A:1A
Half-wave input range (peak) 1000A
Measurement accuracy 0.01 level
Secondary load Not exceeding 0.2Ω
Power Supply AC 220V±10% 50 Hz
5. Current transformer load box
Power factor 0.8, 1.0
Rated current 1A, 5A
Current range 5%~120%In
Rated capacity 1A: 1VA, 2.5VA, 5VA, 25Ω, 50Ω
5A: 2.5VA, 3.75VA, 5VA, 10VA, 2Ω, 4Ω
Accuracy ±3%+0.025VA
Rated frequency 50Hz
Power Supply AC 220V±10% 50 Hz

 

Selection guide

Model Model description
XL-3600T6 6-position test system
XL-3600T12 12-position test system

Product Document

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