The future substation - Reflection about design

In order to establish a base for the Vattenfall Group R&D-activities within the substation area a study with the aim to create a vision of the future regional substation has been conducted. A great number of group specialists from different countries have been involved in the innovative work to ensure that the design fulfil future requirements from customers, authorities and owner. Substations using power electronics has in long-term been found most suitable to meet relevant demands. Solid-state equipment is foreseen for most applications, such as transforming, converting, rectifying, voltage regulation, balancing and breaking. The work has also resulted in identification of short-term development, including advanced insulation coordination and suggestions for switchgear configurations.