Work Workshop

A laboratory analysis results :

• Dielectrimeter Spintermetre 100 KV
• Acid tester MAXEI
• Gas chromatography

Specific equipment :

• A checkpoint sealing
• An oven 12 m3
• A tank fill vacuum
• VUF Maxei oil dehydration

Winding up of a local :

• 1 winding machine Mecafil, 1300x600
• 1 winding machine Maxei, 1300x500
• 1 winding machine Maxei, 300x500
• 2 winding machines Bobifil, 800x500

Intervention areas :

• High pressure cleaning
• Paint under water curtain
• Workshop approved pyralene 100 m2

Platform test :

• PROWATT 3 Chauvin Arnoux
• ISOL 5003 Chauvin Arnoux EDF
• Bridge NORMA
• Frequency converter 250 Hz - 0 to 900 V

Controlled points

1. Analysis of the dielectric
2. Review of the diagnostic device
3. Drain - Revaluation
4. Removing the cover - switch
5. Removing the upper yoke
6. Dismantling windings HT
7. Racking - Draining
8. Expertise of the tank
9. Cleaning and preparation
10. Painting of the tank
11. Control of the LV section
12. HV winding columns
13. Replace Insulation and cushioning
14. LV winding columns
15. Protection relay
16. Charge controller
17. Steaming
18. Reassembly
19. Provision of new oil
20. Replacement joints
21. Testing and test
22. Compliance Validation

Renovation Process