Based on which EPTO 161, 162, 163 connectors are being used, the computer 104 will open or close sets of contactors in each the EPTO 161, 162, 163 connectors as needed to ensure proper isolation between pieces of equipment. Contactors can be open unless the system is in use or about to be used. Each of the EPTO 161, 162, 163 connectors may have their own set of contactors.

For example, in a system having three EPTO 161, 162, 163 connections and a single HV variable DCDC converter 140, device 1 requesting 200 V at 30 Amps (A) with a highest priority may be connected to EPTO 161 connection, device 2 requesting 500 V at 10 A with a second highest priority may be connected to EPTO 162 connection, and device 3 requesting 700 V at 30 A with a third highest priority may be connected to EPTO 163 connection. The computer 104 can close contactors on EPTO 161 connection and leave the contactors for EPTO 162, 163 connections open, and the computer 104 is thus able to meet the request from device 1. The requests from devices 2 and 3 can be addressed in their priority order.

During usage, the computer 104 can measure voltage before and after the HV variable DCDC converter 140, the equipment 171, 172 can measure the input voltage to ensure the EPTO 161, 162 connection is delivering voltage consistent with the equipment 171, 172 commands. If not, an error term and associated PID controller can be used to correct for the error through a feedback term.