The Maintenance of Tap Changer
We perform maintenance service of tap changer regarding given period by manufacturer by our certified specialists
- Draining oil of tap changer,
- Washing of Diverter Switch part and tank with treatment oil
- Measuring contact resistance values and comparing with plate values
- All contacts are cleaned with new oil
- Measuring and controlling the wear and deformation values of fixed and stationary contacts
- Motor drive mechanism control,
- Control of heater and motor thermal settings
- Control of shaft-turn differential and equalization if necessary,
- Application of DC resistance test process in certain stages
- Checking the voltage regulator settings