{HEAD ~ An object} of the invention is to provide {TAIL ~ an electrical power generating arrangement} from which the electrical power output is to be connected to the electrical mains or grid, in which the arrangement is capable of being used with the engine running at variable speed 
is to provide
{ HEAD ~ An object } of the invention is to provide { TAIL ~ an electrical power generating arrangement } from which the electrical power output is to be connected to the electrical mains or grid , in which the arrangement is capable of being used with the engine running at variable speed
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