What is the key factor that determines the size of the power distribution center (PDC) at an expeditionary medical support (EMEDS) site?

The correct answer emphasizes that the key factor determining the size of the power distribution center (PDC) at an expeditionary medical support (EMEDS) site is the kilowatt demand load of the EMEDS. This demand load reflects the total amount of electrical power that the equipment at the site requires to operate efficiently and effectively.

Understanding kilowatt demand is crucial for ensuring that the PDC is capable of supplying sufficient power to all systems, including medical equipment, lighting, and any other electrical devices in use. If the demand load exceeds the capacity of the power distribution center, it could lead to power outages or insufficient power for critical medical operations. Thus, accurately calculating and planning for the kilowatt demand is central to the successful configuration and operation of an EMEDS site, ensuring that all necessary equipment can function without interruption.

Other factors, such as the number of tents and equipment or the number of personnel, contribute to the overall setup of the site but do not specifically address the electric power requirements as directly as the kilowatt demand. Voltage requirements are also important, but they are secondary to the overall load that needs to be supplied.