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10/09/2008 |
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19/10/2016 |
| Unique Session | 363,915 |
| Page Views | 433,051 |
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Aboutus
PREVENTIVE MAINTENANCE OF POWER TRANSFORMERS
| Items listed below are included in the recommended major maintenance schedule for Power transformers. |
- Insulation Power Factor Including Bushings and Arrestors
- Excitation Current Tests
- Insulation Resistance
- Turns Ratio Test Including LTC
- Winding Resistance Tests
- Bushing Current Transformer Tests (Ratio, Polarity, And Saturation)
- External Inspection of Tanks and Accessories
- Check Nitrogen Pressurization
- Check LTC Remote Control and Indication
- Check Operation of Cooling Systems (Manual and Automatic)
- Calibration Check of Liquid Level and Temperature Gauges
- Perform Functional Check of Control and Alarm Circuits
- Record Transformer Loading Data
- Extract Oil Sample
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