Power Transformer Design

I need a power transformer designed with the following specifications:

- Type: Power transformer
- Voltage Rating: Medium voltage (1kV - 35kV)
- Power Rating: Up to 10 MVA

Ideal Skills and Experience:
- Expertise in electrical transformer design, specifically power transformers
- In-depth knowledge of medium voltage systems
- Experience with power ratings up to 10 MVA
- Proficiency in relevant design software and standards

Please provide your design approach and any relevant experience.