An apparatus comprising: a DC-to-AC converter comprising an input terminal, a first output terminal and a second output terminal; and a DC-to-DC converter comprising an input terminal, and an output terminal, wherein the DC-to-DC converter is configured to: receive, via the input terminal of the DC-to-DC converter, a DC input voltage from a DC power source, provide, via the output terminal of the DC-to-DC converter, a DC output voltage to a plurality of groups of electrical loads, wherein the plurality of groups of electric loads comprises a first group of electrical loads having a first input terminal to which the DC output voltage is provided and a second group of electrical loads having a first input terminal to which the DC output voltage is provided, and regulate the DC output voltage at the output terminal of the DC-to-DC converter by supplementing or absorbing a current associated with the first group of electrical loads and a current associated with the second group of electrical loads, wherein the DC-to-DC converter is configured to step down the DC input voltage by half at the output terminal of the DC-to-DC converter; and wherein the DC-to-AC converter is configured to: receive, via the input terminal of the DC-to-AC converter, the DC input voltage from the DC power source, provide, via the first output terminal of the DC-to-AC converter, a first alternating output voltage to a second input terminal of the first group of electrical loads from the plurality of groups of electrical loads, and provide, via the second output terminal of the DC-to-AC converter, a second alternating output voltage to a second input terminal of the second group of electrical loads from the plurality of groups of electrical loads. a DC-to-AC converter comprising an input terminal, a first output terminal and a second output terminal; and a DC-to-DC converter comprising an input terminal, and an output terminal, wherein the DC-to-DC converter is configured to: receive, via the input terminal of the DC-to-DC converter, a DC input voltage from a DC power source, provide, via the output terminal of the DC-to-DC converter, a DC output voltage to a plurality of groups of electrical loads, wherein the plurality of groups of electric loads comprises a first group of electrical loads having a first input terminal to which the DC output voltage is provided and a second group of electrical loads having a first input terminal to which the DC output voltage is provided, and regulate the DC output voltage at the output terminal of the DC-to-DC converter by supplementing or absorbing a current associated with the first group of electrical loads and a current associated with the second group of electrical loads, wherein the DC-to-DC converter is configured to step down the DC input voltage by half at the output terminal of the DC-to-DC converter; and receive, via the input terminal of the DC-to-DC converter, a DC input voltage from a DC power source, provide, via the output terminal of the DC-to-DC converter, a DC output voltage to a plurality of groups of electrical loads, wherein the plurality of groups of electric loads comprises a first group of electrical loads having a first input terminal to which the DC output voltage is provided and a second group of electrical loads having a first input terminal to which the DC output voltage is provided, and regulate the DC output voltage at the output terminal of the DC-to-DC converter by supplementing or absorbing a current associated with the first group of electrical loads and a current associated with the second group of electrical loads, wherein the DC-to-DC converter is configured to step down the DC input voltage by half at the output terminal of the DC-to-DC converter; and wherein the DC-to-AC converter is configured to: receive, via the input terminal of the DC-to-AC converter, the DC input voltage from the DC power source, provide, via the first output terminal of the DC-to-AC converter, a first alternating output voltage to a second input terminal of the first group of electrical loads from the plurality of groups of electrical loads, and provide, via the second output terminal of the DC-to-AC converter, a second alternating output voltage to a second input terminal of the second group of electrical loads from the plurality of groups of electrical loads. receive, via the input terminal of the DC-to-AC converter, the DC input voltage from the DC power source, provide, via the first output terminal of the DC-to-AC converter, a first alternating output voltage to a second input terminal of the first group of electrical loads from the plurality of groups of electrical loads, and provide, via the second output terminal of the DC-to-AC converter, a second alternating output voltage to a second input terminal of the second group of electrical loads from the plurality of groups of electrical loads.