In an SSVT, what is an additional function aside from voltage measurement?

The choice of providing station service power as an additional function of an SSVT (Station Service Voltage Transformer) is correct because SSVTs are used not only to measure voltage levels in power systems but also to supply electrical power for station service loads. This means that while they monitor and help maintain voltage levels, they simultaneously provide necessary power to auxiliary equipment and systems within the station, ensuring that critical operations can continue even when the primary power supply is being managed or measured.

This dual functionality is essential in maintaining the efficiency and reliability of power systems, as it allows for uninterrupted service and monitoring capabilities. By integrating both voltage measurement and the provision of station service power, SSVTs optimize operational effectiveness and support the overall infrastructure of electrical distribution systems.