Details Knowledge About Testing & Quality Control

Details Knowledge About Testing & Quality Control 


Routine Tests :


1.Measurement of winding resistance 

2.Measurement of voltage ratio and check of phase displacement 

3. Measurement of short-circuit impedance and load loss 

4. Measurement of no-load loss and current 

5. Dielectric tests 

6. Separate source AC withstand voltage test 

7.Induced AC voltage test 

8.Partial-discharge measurement 


Type Tests :

9. Temperature-rise test


Special Tests :

10. Measurement of dissipation factor (tan Delta) and capacitance 
11. Measurement of zero sequence impedance(s) 

12. Determination of sound level

13. Measurement of harmonics of the no-load current 

14. Measurement of Insulation Resistance

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