Silicon steel sheets, copper wires, insulating materials. Transformer oil testing. Audit of the qualifications of external suppliers of purchased components.
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1IQC -
2IPQCInspection of iron core assembly Inspection of coil winding dimensions Monitoring of the vacuum drying process
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3Semi-finished TestingInterphase insulation test DC resistance test
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4OQCLightning impact test Partial discharge measurement Sound level test Heating test
