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AssigneeOpenhydro IP Limited
InventorsEdward Spooner, Simon Cawthorne
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An electrical generator for generating an AC electrical output, the generator comprising generator winding groups having a set of generator windings for each phase of the AC electrical output. Each set of generator windings is included in a respective electrically separate winding circuit. Each winding circuit includes a respective transformer winding in series with the or each generator winding of the respective set. The respective winding circuit further includes a respective normally closed switching device operable to break the respective winding circuit in the event of a fault. The generator unit further includes fault detection means configured to detect a fault in anyone of the winding circuits, and in response to detecting a fault to cause the respective switching device to break the respective winding circuit.
An electrical generator for generating an AC electrical output, the generator comprising at least one generator winding group having a respective set of one or more generator windings for the or each phase of the AC electrical output of the generator, each set being included in a respective electrically separate winding circuit, wherein each winding circuit includes a respective transformer winding in series with the or each generator winding of the respective set, said respective winding circuit further including a respective normally closed switching device operable to break the respective winding circuit in the event of a fault, said generator unit further including fault detection means configured to detect a fault in any one of said winding circuits, and in response to detecting a fault to cause the respective switching device to break the respective winding circuit.
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Dependencies are inferred from the claim text.