How to Erection and testing transformers

Question

Accepted Answer

Erection and testing of transformers involves careful installation, connection, and verification of performance parameters.

1. Site Preparation: Ensure the foundation is level and capable of supporting the transformer weight.
2. Unloading: Use cranes or forklifts to safely unload the transformer from transport vehicles.
3. Positioning: Align the transformer with the designated installation area, ensuring proper clearance for maintenance.
4. Electrical Connections: Connect primary and secondary windings according to the wiring diagram.
5. Grounding: Properly ground the transformer to prevent electrical hazards.
6. Testing: Perform insulation resistance tests, power factor tests, and turns ratio tests to verify functionality.
7. Commissioning: Conduct a final inspection and energize the transformer under supervision.

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