VT/CVT transformer

VT/CVT transformer

Type: PTA-2000C
      Pta-2000c capacitive voltage transformer tester is also known as capacitive voltage transformer field tester and capacitive PT field calibrator. The capacitive voltage transformer tester is mainly used to test the characteristics and errors of capacitive voltage transformer PT (CVT) and electromagnetic voltage transformer PT.
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Product Features
       1. A single instrument can realize error testing of capacitive PT (CVT) and electromagnetic PT without resonance booster, standard voltage transformer, load box, calibrator and other equipment, greatly reducing the workload of on-site calibration error.
       2. The test range is wide, and the test voltage level is 6kV ~ 800kV electromagnetic voltage transformer.
       3. The standard voltage transformer of grade 0.01 is used internally, and the low-voltage error of the transformer is tested by the difference measurement method; Using frequency conversion test technique, the excitation characteristic curve of working area is obtained, and the error of the whole working range of transformer is analyzed by extrapolation method. The test level of the instrument can reach 0.05. During the test, the maximum test voltage is not more than 3kV, ensuring the safety of field test.
       4. The test wiring is simple, the operation is simple and easy to learn, and the transformer calibration can be easily completed according to the instructions, which greatly improves the test efficiency.
       5. Intelligent judgment of external wiring conditions, indicating wiring errors, ratio changes, polarity errors, etc.
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