A power conversion and distribution system comprising: a generator circuit including an electrical power generator configured to generate a power output signal; a power converter circuit connected to receive the power signal from the electrical power generator and to provide a converted power output signal; a distribution circuit connected to receive the converted power output signal and distribute the converted power output signal to at least one module that includes a load; and a system controller coupled to the generator circuit, the power converter circuit and the distribution circuit, and being configured to monitor differential current between at least one first node pair selected from the group consisting of an output of the generator circuit and an input of the power converter circuit, and an output of the power converter circuit and an input of the at least one module of the distribution circuit, to monitor differential power between at least one second node pair selected from the group consisting of the output of the generator circuit and the input of the power converter circuit, the output of the generator circuit and the output of the power converter circuit, the input of the power converter circuit and the output of the power converter circuit, to detect a current loss fault based on the monitored differential current, and to detect a series arc fault based on the monitored differential power; wherein the system controller monitors differential current to determine a current loss fault according to the following equation: Fault: Source Current − Received Current > 1 + k * Normal Current Loss where Source Current and Received Current are monitored current values at a source node and a receiving node of each first node pair, Normal Current Loss is a predetermined value based on measured or calculated performance of the power conversion and distribution system, and k is a selected value; and wherein the system controller monitors differential power to determine a series arc fault according to the following equation: Fault: Source Power − Received Power > J + T * Source Power where Source Power and Received Power are equal to a monitored voltage value multiplied by a monitored current value at a source node and a receiving node of each second node pair, J is a predetermined value based on measured or calculated power efficiency of the power conversion and distribution system at the node pair during normal operation, and T is a selected value; the system further comprising independent hardware protection circuits in the system controller, the distribution circuit and the power converter circuit connected to provide a separate path for communication of data relating to fault determinations to the power converter circuit. a generator circuit including an electrical power generator configured to generate a power output signal; a power converter circuit connected to receive the power signal from the electrical power generator and to provide a converted power output signal; a distribution circuit connected to receive the converted power output signal and distribute the converted power output signal to at least one module that includes a load; and a system controller coupled to the generator circuit, the power converter circuit and the distribution circuit, and being configured to monitor differential current between at least one first node pair selected from the group consisting of an output of the generator circuit and an input of the power converter circuit, and an output of the power converter circuit and an input of the at least one module of the distribution circuit, to monitor differential power between at least one second node pair selected from the group consisting of the output of the generator circuit and the input of the power converter circuit, the output of the generator circuit and the output of the power converter circuit, the input of the power converter circuit and the output of the power converter circuit, to detect a current loss fault based on the monitored differential current, and to detect a series arc fault based on the monitored differential power; wherein the system controller monitors differential current to determine a current loss fault according to the following equation: Fault: Source Current − Received Current > 1 + k * Normal Current Loss where Source Current and Received Current are monitored current values at a source node and a receiving node of each first node pair, Normal Current Loss is a predetermined value based on measured or calculated performance of the power conversion and distribution system, and k is a selected value; and wherein the system controller monitors differential power to determine a series arc fault according to the following equation: Fault: Source Power − Received Power > J + T * Source Power where Source Power and Received Power are equal to a monitored voltage value multiplied by a monitored current value at a source node and a receiving node of each second node pair, J is a predetermined value based on measured or calculated power efficiency of the power conversion and distribution system at the node pair during normal operation, and T is a selected value; the system further comprising