What additional function can the Static Inverter perform regarding battery chargers?

The Static Inverter has the capability to perform various functions in an electric traction system, one of which includes the conversion of different DC voltage levels. The correct choice, which states that the Static Inverter can convert 100vDC, highlights its versatility in managing different DC voltage inputs for efficient operation.

Static Inverters are primarily used to convert DC electricity from batteries or other sources into AC electricity, but they can also be utilized for battery charging purposes. In this case, being able to convert 100vDC effectively allows the Static Inverter to interface with systems that operate on this specific voltage level, ensuring that the batteries can be charged appropriately without exceeding their voltage ratings.

Other options listed refer to functions that either do not align with the technical capabilities of the Static Inverter or are not relevant to battery charging. Therefore, focusing on the inverter's ability to handle 100vDC showcases its role in maintaining and charging battery systems effectively, ensuring the traction system operates seamlessly and reliably.