Which unit contains both the Static Inverter and Battery Charger?

The correct answer is the Static Inverter Unit because this specific unit is designed to handle the conversion of DC (direct current) power from the battery into AC (alternating current) power, which is essential for driving traction motors. In addition to this functionality, it is equipped with a battery charger that replenishes the battery's charge during operation or when the vehicle is in a parked state.

This integration allows for efficient management of power within the system, ensuring that both functions are housed in a single unit, which simplifies installation and maintenance. The Static Inverter Unit is critical in traction systems for ensuring both propulsion and auxiliary systems receive the required power.

Other options do not encapsulate both functionalities in the same way; for instance, while the High Voltage Container may house components related to power distribution, it does not specifically combine the inverter and charger functions. The Traction Container typically focuses on features pertinent to traction control and may not include auxiliary power management. The Auxiliary Electrical Box would house ancillary electrical components but would not be designed to provide the core inverter and charging capabilities found in the Static Inverter Unit.