Problems to be paid attention to in transformer skeleton:
The pipeline arrangement is not neat and beautiful
Transformer primary and secondary bushings are damaged
The bolts of primary and secondary leads of transformer are not tight, and the pressing is not firm. The connection gap between bus and transformer does not meet the specification requirements.
Preventive measures
Improve quality awareness and construct according to process standards
Strengthen the protection of porcelain bushing during transportation
Improve quality awareness, strengthen self-inspection, and file flat when connecting bus belt with transformer.