US Patent 7986062 Electrical energy converter

An electrical energy converter (100) arranged to be connected to at least one source of electrical energy (114, 116) and to condition the energy generated by that source to be suitable for feeding to a network (110) to which the converter (100) may be connected, the converter (100) comprising an input conversion stage (104) having at least three input terminals (P1-6) and a controller, the controller (112) being arranged to configure each of the terminals (p1-6) to accept any one of the following input types:1. a phase of a polyphase supply;2. one side of a single phase supply;3. one side of a DC supply; and4. no-input.