Introduction: This project will research and develop the detailed design of a 400kV Mobile Substation Bay. The design will incorporate all transformer bay functionality; transformer switchgear, protection and control (P&C) in a transportable unit which is suitable for use in a range of site conditions and configurations.

Objectives:

The objective of this project is produce a fully workable detailed design, including functional specifications of a 400 kV mobile substation bay, including a 240MVA transformer and auxillary supplies.

Expected Benefits: The project will be deemed successful if National Grid Electricity Transmission is able to develop and procure a fully deployable mobile substation bay, at a reasonable cost, based on the detailed design produced.