Description:

The system consists of the computer(PC), current transformer calibrator, voltage and current control unit, and current/voltage transformer load box, etc. for various use purposes, the options of standard current transformer plus current booster, standard voltage transformer plus voltage booster, voltage withstand controller, test rack, etc., are available to for extending the system’s function.

The system can automatically test the basic errors of transformers, such as cophase component, quadrature component, and etc., and automatically measure impedance and admittance of secondary load of transformer, in accordance with the test points specified by relevant stipulations or customized by users.

Specifications:

Features & function:

1. Transformers’ testing power source is variable frequency power supply with frequency range 45Hz-65Hz, making enable to set the test points quickly and accurately.
2. Current regulation precision: <0.02%, accurately setting the test points which reach 1% precision.
3. Error test of three phases of PT, and double and triple frequency voltage test functions.
4. Human-computer interface, controlling the error testing procedure stipulated
5. The system used in combination with the test rack, can complete the error test of 12 pieces of CTs within 3-5 minutes.
6. Automatic selections of current/voltage range and load according to test points.
7. Polarity protection and wrong radio identification.
8. Over-current & over- voltage protection.

Applications:

• Nation-level utility companies
• Governmental bureaus of metrology
• Big energy meter manufacturers

Primary Competitive Advantages:

• High quality product
• High efficiency of test
• Fully-automatic test system