CT Thermal Current Test Device
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Current transformer thermal current automatic test device first measures the impedance value of the connected current transformer sample loop, and then automatically controls the output current of the device to the target test current value according to the impedance value and the set test current value. Under the condition of 1s clock test time, when the calculated output current and load exceed the maximum output of the device, the test current will be reduced according to the I2t equivalent test method given by the standard and the test duration will be extended. The longest test time is controlled within 5s. To ensure that the test process is added to the primary circuit of the sample I2t and 1s in the thermal current impact test is numerically equivalent

Features

  1. Measure the primary loop impedance of the connected sample current transformer, and adjust the device's electric voltage regulator to the target value according to the measured impedance value, and then generate the required target test current in the booster output loop.

  2. Record the amplitude-time curve of the sample primary loop current, primary loop voltage, device regulator output voltage, device regulator output current, etc. during the test.

  3. Automatically control and monitor the entire test process to protect against abnormal and erroneous operations during the test.

  4. Generate a test report of the format specification.

 

Technical Details ​

  1. Maximum output current 0~10000 A (larger output current can be customized), output current error is less than 10% set value

  2. Device output capacity 250KVA

  3. Sample primary loop current measurement 0~10000A, measurement error 0.1%FS

  4. Sample primary loop voltage measurement 0~30V, measurement error 0.1% FS

  5. Test process voltage and current waveform sampling rate 25KHz, time measurement error 0.04ms

  6. Power supply AC380V45Hz~65Hz

  7. Working environment temperature 0~50 degrees, humidity less than 90%

APPLICATIONS 

PRODUCTS

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