JST TRANSFORMATEURS SAS

Main activities

Design and manufacturing of power transformers for nuclear, thermal, Hydro power plants and networks, up to 800 KV:

• Generator Step-Up (GSU)
• Unit Auxiliary Transformer (UAT)
• Station-Service Transformer (SST)

Especially the supply of larger rating power transformers, with reduced losses , while keeping a reduced foot-print and a reduced oil volume (no impact on oil pit) for power plants renovations.

•Transformers and Auto-transformers/ Phase Shifting Transformers for EHV networks

• Transformers for railways feeder and on-board trains

Services and maintenance for Transformers:

• Preventive and predictive maintenance
• Specialized maintenance operations
• Expertise and diagnosis
• Non-destructive examination
• On-site operations
• Erection supervision or turn-key.
• Supply of spare parts.