Feature：

I. Current Transformer (CT)                            II. Voltage Transformer (PT)

1. Magnetization curve                                1. Excitation characteristic test

2. Transformation ratio test                            2. Transformation ratio test

3. Polarity                                       3. Polarity

4. 5% and 10% error curve          4. Withstand test of power frequency alternating current

5. Current Injecting                                    5. Degauss

6. Degauss                                        6. Calculation of knee point value

7. Withstand test of power frequency alternating current 7. Actual secondary load test

8. Automatic calculation of excitation knee point value 8. Resistance test

9. Actual secondary load test

10. Resistance test

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