A DC/DC Converter or a DC/AC Inverter will require a DC feed. This could be a DC source or a board fed from a DC system. Settings are similar where user define the secondary side voltage, fault current for secondary side (Ipf), and a voltage drop limit (VD Limit (%)). Only difference is the DC/AC Inverter has an extra parameter, DC kW which will let ElectricalOM to calculate DC/AC ratio.