Leatherhead Town 33/11kV Transformer Replacement
CASE STUDY: Substation Projects
The replacement of the 33/11kV transformer at Leatherhead Town substation
| Client(s) | EDF Energy |
|---|---|
| Location | Leatherhead Town Substation |
| Project Start Date | 2009 |
| Project Completion Date | 2010 |
The project consisted of the replacement of the two aged English Electric transformers with new 12/24MVA Brush Transformers and associated protection works:
- Provide detailed Civil, Primary and Protection Design
- Project Management and CDM site management
- Modify the existing transformer bunds and install two new brush 12/24MVA transformers, protection, battery and telecoms facilities
- Install, commission and energise T1 and T2
- Acting as owners engineer to witness test the two new transformers
- Installation of all power cables to new transformers
- Installation of multicore protection and pilot cables, containment and commissioning
- Protection systems installed and commissioned
- Network outages planned and undertaken by Freedom operational Engineers
- Supplying Freedom Senior Authorised Persons
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Contingency planning, including new-old switchboard interconnectors and pre-fault demand transfers
