Power supply station for Auxiliary Services in Primary Substations

The paper describes a new integrated power supply station for Auxiliary Services (AS) to install in Primary Substation. The new station provides several innovative logic functions to improve the life cycle of the battery. Furthermore, to improve the reliability of device, the new station foreseen a double parallel branch rectifier stage. The costs-benefits analysis shows that the investment return time for each plant in which the new station will be installed is about 5 years.