What is the maintenance of transformer

Question

Accepted Answer

Maintenance of a transformer involves regular inspections, cleaning, testing, and preventive measures.

Regularly inspect the transformer for any signs of damage or overheating.
Clean the transformer and its components to remove dust, dirt, and debris.
Perform routine testing to ensure proper functioning and identify any potential issues.
Check and maintain the oil level and quality in oil-filled transformers.
Inspect and tighten electrical connections to prevent loose connections and overheating.
Implement preventive measures like installing surge protectors and temperature monitoring systems.
Schedule periodic maintenance and follow manufacturer's guidelines for specific transformer types.
Train personnel on safety procedures and handling of transformers.

Accepted Answer

We plan 52 week  PM schedule for all our assets and in which we include Transformer maintenance plan activity. On daily basis we monitor all parameters of the TR and monthly basis general cleaning of TR, of Oil type TR then take OTI, WTI settings and check panel end controlling chamber cleaning,  ground earthing check.    In once in a year plan annual PM in which plan AC and DC tests which include-IR test, PI test, CRM test,Winding resistance test of transformer, Transformation ratio test

Measurement of core losses and no-load current through open-circuit test

Measurement of short circuit impedance and copper losses through short-circuit test

Transformer vector group testDielectric test of transformerOn-load tap-changer test ,  BDV test of TR oil etc.

What is the maintenance of transformer

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