Metalcess tailor the design of rectifier transformer for copper/zinc electrolysis project and for DC electrical furnace. 

Metalcess can supply power transformer, upgrading and downgrading transformer for electricity faclities. 

Transformer Pre-delivery Test

The transformer will be tested before leaving the factory and the test report will be provided. 

The factory test methods and items comply with GB1094, GB311.1 and GB/T6451 and other relevant regulations, and meet the following requirements:

Ø No-load test

Ø Load test

Ø Industrial frequency withstand voltage test.

Ø Inductive withstand voltage test.

ØLocal discharge test.

Ø Core insulation resistance test

Ø Winding insulation resistance and absorption ratio test

Ø Winding DC resistance test.

Ø Dielectric loss measurement

Ø Ratio test: to provide the ratio error value for each tap position

Ø Wiring group test

Ø Noise level measurement

Ø Insulation oil test

Ø Test or inspection of accessories

ØTransformer oil tank mechanical strength test and leakage test